quarterly progress report for second quarter … · 400 col.ins road ne cedar rapids ia &2-198...

$: QUARTERLY PROGRESS REPORT FOR SECOND QUARTER … · 400 Col.ins Road NE Cedar Rapids IA &2-198 \fee 3193951000 TDD 319295.9/46 Avionics Certified Mail Return Receipt #P939118585 Collins$
Coiiins Commercial AvonicsRockwell Internationsi Corporation400 Col.ins Road NECedar Rapids IA &2-198\fee 3193951000 TDD 319295.9/46

Avionics

Certified MailReturn Receipt #P939118585

CollinsJuly 12, 1996

Ms. Linda Garwood / Susan HoffUS EPA Remedial Project ManagerWaste Management DivisionUS EPA Region VII726 Minnesota Ave.Kansas City, KS66101

RE: Quarterly Progress Report for Second Quarter Calendar Year 1996 pertaining tothe Former Ralston Disposal Site, Cedar Rapids, IA.

Dear Ms. Garwood / Hoff

Enclosed please find the quarterly progress report for the remedial investigation /feasibility study (RI/FS) and removal action activities conducted at the former RalstonSite in Cedar Rapids, IA. Submission of a quarterly progress report in lieu of monthlyprogress reports was accepted as a viable alternative to the monthly reports by theEPA in a letter dated September 12, 1995. This Second Quarter 1996 report includesSite activities conducted during the months of April, May, and June 1996.

Montgomery Watson has prepared the information included in the RI/FS and MW3-Cupdate portions of the report and Rockwell has performed the data generation for theDual Vacuum Extraction system operation.

A check to cover payment of charges for EPA oversite activities was mailed on June24, 1996. If you have any questions or comments regarding the submittal pleasecontact myself at (319) 395-5716.

Regards:

Chuck HaflierEnvironmental EngineerCCA Operations

/clh

CC: FileBob Drustrup IDNRKeith Schilling M/WJohn Neffenegger SverdrupTed Faile COM FederalDean Frommelt LCHD

attach: Montgomery Watson and Rockwell data / reports

EPA Region VII 2 July 12, 1996Ralston Site Quarterly Report

RALSTON SITESECOND QUARTER

1996

WATER ISSUES (DVE and GROUNDWATER):

DVE wells 1 through 7 are in operation at this time. Wells 8 through 13 have beenremoved from production due to low productivity based upon monthly vapor analysis atthe well head. Wells 8 through 13 are in the eastern most portion of the Site andbased upon the rebound sampling on 10-6-95 these wells are in a area of lowcontamination.

Recovery Wells RW1, RW3 and MW3c on the north side of the creek continue tosupplement the entrained water from the DVE wells to provide sufficient water foroperation of the scrubber.

EMISSIONS (WATER AND AIR):

Water discharge data has been presented to the City of Cedar Rapids Water PollutionControl Facility (POTW) on a monthly basis. This data indicates that there have beenno excursions outside the discharge parameters set forth in our discharge permit duringthis quarter. To date the POTW has not taken a duplicate sample to be analyzed bytheir lab.

This report will be submitted to the Linn County Board of Health to fulfill our Quarterlyreporting requirements for the Air Permit at the facility. This information is included intabular form and labeled as "STACK". This table shows the results of analysis of thesystem effluent and includes VOC emission rates, run time and total pounds of VOCsemitted.

SAP AND QAPP INFORMATION:

To fulfill our SAP and QAPP reporting requirements the attached tables and charts ofTotal Pounds of VOCs Removed, Extraction Rate, Total Pounds of VOCs Emittedgraphically summarize the system performance.

The attached Tables labeled Duplicate Water Analyses and Replicate Vapor Analysesallow us to calculate the per cent Completeness of analytical results. The per centcompleteness of all results during the Second Quarter of 1996 was 96.8%.

ERA Region VIIRalston Site Quarterly Report

July 12, 1996

SAMPLE SCHEDULE:

The sample schedule continues to correspond to the SAP "month 4+" schedule,modified to ensure compliance with the POTW water discharge requirements. Thecurrent schedule is as follows:

WATER

MW3-CRW-1RW-3EFFLUENTINFLUENTDVE WATER

weekly (eight days)weekly (eight days)weekly (eight days)weekly (eight days)monthlyquarterly

VAPOR

INFLUENTDISCHARGEDVE WELLS

2/month2/monthmonthly

RUN TIME

System run time decreased from 66.9% last quarter to 64.1%. The major loss in runtime was due to scrubber pump failure on April 3 (14 days).

If you have any questions regarding this submittal or require further information, pleasecontact me at (319) 395-5716.

Regards.

Mike WrightEnvironmental EngineerCCA Operations

/msw

ROCKWELL INTERNATIONALEFFLUENT SAMPLES

RALSTON SITECEDAR RAPIDS, IOWA

DATECOLLECTED

04/04/9604/23/9605/01/9605/09/9605/17/9605/21/9605/28/9606/05/9606/14/9606/21/96

DATEANALYZED

04/10/9604/26/9605/08/9605/16/9605/20/9605/21/9605/29/9606/05/9606/14/9606/21/96

vinylchloride

<2<2<2<2<2<2<2<2<2<2

acetone

<20<20<20<20<20<20<20<20<20<20

CH2CL2

<10<10<10<10<10<10<10<10<10<10

t-1,2-DCE

<1<1<1<1<1<1<1<1<1<1

MEK

<10<10<10<10<10<10<10<10<10<10

c-1,2-DCE

<11.49<11.441.14<11.11<1<1<1

TCE

2.362.172.583.882.391.341.66<1<11.14

Toluene

<1<1<1<1<1<1<1<1<1<1

PCE

<1<1<1<1<1<1<1<1<1<1

Xylenes

<1<1<1<1<1<1<1<1<1<1

ROCKWELL INTERNATIONALINFLUENT SAMPLES


DATECOLLECTED

04/04/9604/23/9605/01/9605/09/9605/17/9605/21/9605/28/9606/05/9606/14/9606/21/96

DATEANALYZED

04/10/9604/26/9605/08/9605/16/9605/20/9605/21/9605/29/9606/05/9606/14/9606/21/96

vinylchloride

19.641.329.49321285880630780720640

acetone

<20<20<20<20<20<20<20<20<20<20

CH2CL2

<10<10<10<10<1031.2<10<10<10<10

t-1,2-DCE

2.061.18<18.5911.110.46.255.605.805.70

MEK

<10<10<10<10<10<10<10<10<10<10

c-1,2-DCE

10218411492512651365123011601150745

TCE

13015112620512812111110710072.0

Toluene

<1<1<11.411.17.555.0526.122.017.4

PCE

6.486.986.3310.07.1011.14.584.605.853.45

Xylenes

<1<1<1<11.431.26<13.573.062.54

ROCKWELL INTERNATIONALMW3c SAMPLES


DATECOLLECTED

04/04/9604/23/9605/01/9605/09/9605/17/9605/21/9605/28/9606/05/9606/14/9606/21/96

DATEANALYZED

04/10/9604/26/9605/08/9605/16/9605/20/9605/21/9605/29/9606/05/9606/14/9606/21/96

vinylchloride

12684.511510010222415813013292.1

acetone

<20<20<20<20<20<20<20<20<20<20

CH2CL2

<10<10<10<10<10<10<10<10<10<10

t-1,2-DCE

5.27<12.21<1<13.22<1<1<1<1

MEK

<10<10<10<10<10<10<10<10<10<10

c-1,2-DCE

42410430876.371.461828022721363.4

TCE

59.08.5235.8<1<117.5<1<1<1<1

Toluene

<1<12.77<1<11.03<1<1<1<1

PCE

4.03<12.30<1<1<1<1<1<1<1

Xylenes

<1<1<1<1<1<1<1<1<1<1

ROCKWELL INTERNATIONALRW-1 SAMPLES


DATECOLLECTED

04/04/9604/23/9605/01/9605/09/9605/17/9605/21/9605/28/9606/05/9606/14/9606/21/96

DATEANALYZED

04/10/9604/26/9605/08/9605/16/9605/20/9605/21/9605/29/9606/05/9606/14/9606/21/96

vinylchloride

7430979050204975477515752419.102272220

acetone

<20<20<20<20512637<20<20<20

CH2CL2

<10<1010.7<10<1015110.0<10<10<10

t-1,2-DCE

61.074.054.242.132.023.46.155.155.6818.6

MEK

<10<10<10<10<10<10<10<10<10<10

c-1,2-DCE

2825335527402313166313534383424031030

TCE

24.213.013.945.926.560.523.319.619.018.8

Toluene

2.632.293.993.943.431.537.352.82<1<1

PCE

<15.1011.142.932.025.3<1<12.04<1

Xylenes

4.14<12.743.762.05<11.35<1<1

2.09

ROCKWELL INTERNATIONALRW-3 SAMPLES


DATECOLLECTED

04/04/9604/23/9605/01/9605/09/9605/17/9605/21/9605/28/9606/05/9606/14/9606/21/96

DATEANALYZED

04/10/9604/26/9605/08/9605/16/9605/20/9605/21/9605/29/9606/05/9606/14/9606/21/96

vinylchloride

8905555203530313028882725228824252450

acetone

<20<20<20<20<20<20<2021.8<20<20

CH2CL2

<10<10<10<10<1082.9<10<10<10<10

t-1,2-DCE

8.205.656.0526.521.925.915.316.314.915.5

MEK

<10<10<1015.112.212.210.510.410.510.5

c-1,2-DCE

10105957903450303034002825278826752750

TCE

13.612.812.146.835.542.630.629.529.628.8

Toluene

<1<1<13.393.093.613.114.743.804.70

PCE

2.26<12.22<14.2613.98.43<19.304.25

Xylenes

1.76<12.428.706.267.885.395.164.945.14

ROCKWELL INTERNATIONALDVE WELL WATER SAMPLES


WELL

DVE-1DVE -2DVE- 3DVE -4DVE -6DVE-1DVE-2DVE -3DVE- 4DVE-6

DATECOLLECTED

03/14/9603/14/9603/14/9603/14/9603/14/9606/28/9606/28/9606/28/9606/28/9606/28/96

DATEANALYZED

03/21/9603/22/9603/21/9603/22/9603/21/9607/01/9601/01/9607/01/9607/01/9607/01/96

vinylchloride

193011651331487543.6317564514.320225850

acetone

9.70BQL18.869330825522875.3108564.3

CH2CL2

BQL47.314.8BQLBQL14.019.918.213312.9

t-1,2-DCE

8.2054.37.1018714.916.322.22.3817534.8

MEK

14.6325BQL3186.0050.828.8BQL47817.9

c-1,2-DCE

788017575541552875475012575112254604235012575

TCE

17.63200530665296193813755681320358

Toluene

39.426.8BQL817522.098530.02.9598255.13

PCE

73.035311 .373.343.082.51167. 8334.58.25

Xylenes

1101262.516955.2843.111.45.7511076.10

Notes: BQL - Below Quantitation Limit

DUPLICATE WATER SAMPLE ANALYSES

SAM

PLE

RW1EFF

BLANKRW3EFF

BLANKBLANK

EFFMW3CRW1

BLANKEFF

MW3CBLANK

EFFINF

BLANKEFFRW3

BLANKEFFRW1

BLANKEFF

MW3CBLANK

EFFINF

BLANKEFFRW1

DVE3

COLLECTED

04/04/9604/04/9604/04/9604/23/9604/23/9604/23/9605/01/9605/01/9605/01/9605/01/9605/09/9605/09/9605/09/9605/17/9605/17/9605/17/9605/21/9605/21/9605/21/9605/28/9605/28/9605/28/9606/05/9606/05/9606/05/9606/14/9606/14/9606/14/9606/21/9606/21/9606/21/9606/28/96

AN

ALY

ZED

04/10/9604/10/9604/10/9604/26/9604/26 /9604/26/9605/08/9605/08/9605/08/9605/08/9605/16/9605/16/9605/16/9605/20/9605/20/9605/20/9605/21/9605/21/9605/21/9605/29/9605/29/9605/29/9606/05/9606/05/9606/05/9606/14/9606/14/9606/14/9606/21/9606/21/9606/21/9607/01/96

OC'O

CD"i

SITENETNETSITENETNETNETNETSITESITENETNET

SITENETNET

SITENETNET

SITENETNETSITENETNET

SITENETNET

SITENETNET

SITESITE

AN

ALY

ZED

04/10/9604/10/9604/10/9604/26/9604/29/9604/30/9605/03/9605/03/9605/08/9605/08/9605/15/9605/15/9605/16/9605/29/9605/29/9605/20/9605/29/9605/29/9605/21/9606/03/9606/02/9605/29/9606/14/9606/14/9606/05/9606/19/9606/19/9606/14/9607/01/9606/30/9606/21/9607/01/96

<H-3

*<

n•yMnCL

>50

aceton

e

25 .2 /<20

CH

2CL2

<-tI

M

N)

HB

>50

pi:*:

oi

M1

Onpi

>50

-6npi

>50

tolu

en

e

>50

130C1!

<1/1.52

1.11/<1

X><\-->rea-

Notes: Blank indicates less than 50% RPD

Run-time Log, April 1996

70

140

210

2824

12480

150

228.5297

22490160

238.5306.5

32410017112424

40

110180

2515.5

50

120197

2620.5

60

130

20172716

Weekly RT

72

0

35

93

37.5

Total RT

72

72

107

200

237.5

Run-time Log, May 1996

54122419

21.52624

611.5

1324204

2724

716142421152824

1188

24152422242924

2179

24162423243021

3181024172424243124

424112418242524

Weekly RT

77

127.5

168

136.5

141

Total RT

77

204.5

372.5

509

650

Run-time Log, June 1996

2249

241624230300

3241024172240

424112418

16.5250

52412241923260

62413242024278

724142421182824

1248

241524220

2917.5

Weekly RT

24

168

168

107.5

49.5

0

Total RT

24

192

360

467.5

517

517

ROCKWELL INTERNATIONALDUAL VACUUM EXTRACTIONSTACK

RALSTON DISPOSAL SITECEDAR RAPIDS, IOWA

DATE

12/22/9501/04/9602/13/9602/21/9602/27/9603/13/9603/26/9604/23/9605/01/9605/09/9605/23/9606/07/9606/20/96

HHZ£H

nXrD

I\

£

BQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQL

>nmH§M

~lQ\

^


nXNJnt-1to

I*«*,.h-1


rt1

t— «•»to10nPI

I\^


3*H*

I\iBQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQL

oiK-*^K)1Dnm

1\^


»-9nPI

I\h-1

<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01

Ho£MZPI

-iQ- ,

~


T3nm

I\

^


X«:tr1PiZPJto

I\i—


0HD3PI73

<On

I\t— '


HO£>h<on

~iQ\i;

<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01

Tltr1suoH,3_

1862183819042500174616511905192119191946197419061945

pi2HHtotot— iOZto

*:-aEH•<_

1.581.260.841.200.830.550.600.750.590.540.430.320.38

Q>HOXW"5Tl

93.3%95.0%94.3%93.8%91.2%92.2%91.4%91.8%91.4%92.1%93.6%91.7%90.7%

acnhoMtons:

*a1

0.1260.1240.1280.1690.1180.1110.1280.1300.1290.1310.1330.1290.131

JO

Ht — i2M

a&u

138149168175178193203213219225237252264

!2t— •totoi —c_to

-*

344358374382385393399407410413419423423

NOTES: BQL = BELOW QUANTITATION LIMIT

Ralston Site - Total Pounds of VOCs Emitted

430

425 -

420 -

415

410 -

405 -

400 --

3953/26/96 4/5/96 4/15/96 5/5/96 5/15/96 5/25/96 6/4/96 6/14/96 6/24/96

ROCKWELL INTERNATIONALDUAL VACUUM EXTRACTIONTOTAL

RALSTON DISPOSAL SITECEDAR RAPIDS, IOWA

DATE

12/22/951/4/962/13/962/21/962/27/963/13/963/26/964/23/965/1/965/9/965/23/966/7/966/20/96

H2Kt-1

Oacv

F\

^

BQLBQL

<0.01BQLBQLBQLBQLBQLBQLBQL

<0.01BQLBQL

OnH0H

F•~


nactoOfto

Fid^^


rtIM*NJ10nM

F\

~


3nX

Fip\iBQL<0.01BQLBQLBQLBQLBQLBQLBQLBQLBQLBQLBQL

nii—t•*N)1DnM

F""X,

~

0.010.010.01<0.01<0.01<0.01<0.01<0.01<0.01<0.010.01<0.01<0.01

1-3nM

F\I-1

0.070.080.040.040.040.030.030.040.030.030.020.010.02

h-30tr1(

Ww

F>Qs

^

0.020.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01

13nP3

F\

^

<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01BQLBQLBQL

XtHw2tttoFv^M

<0.01<0.01<0.01<0.01<0.01<0.01<0.01<0.01BQL<0.01BQLBQLBQL

0H

m

<0O

F\I-1

0.030.040.020.02<0.01BQLBQL<0.01BQLBQLBQL<0.01<0.01

1-30Jp£n

^On

F"v

^

0.140.150.090.090.060.050.040.050.040.040.040.020.02

TlIT"O&

MnHIE

10921076104111359821086908119210931139113910061094

<j>OGas-;

I5

10.410.411.110.810.811.311.111.811.811.810.211.010.8

£f>n

*a011

14.014.87.988.805.324.603.325.683.944.033.932.052.30

y$a•z,HS.m

aQ)

w

138149168175178193203213219225237252264

1-8O^

^

^~,*

3625377840044060408041544194424142674290434143854412

NOTES: BQL = BELOW QUANTITATION LIMIT

Ralston Site - Extraction Rate

6.00

5.00

4.00 -

•o«aM 3.00 -

2.00 -

1.00 -

0.003/26/96 4/23/96 5/1/96 5/9/96 5/23/96 6/7/96 6/20/96

REPLICATE VAPOR SAMPLE ANALYSES

DATECOLLECTED

04/23/9605/01/9605/09/9605/23/9606/07/9606/20/96

DATEANALYZED

04/24/9605/01/9605/09/9605/23/9606/07/9606/20/96

vinylchloride

0.67/0

acetone CH2CL2t-1,2-DCE MEK

c-1,2-DCE TCE Toluene PCE

0/1.57

Xylenes

>500.57/0

Notes: Blank indicates less than 50% RPD

Ralston Site - Total Pounds of VOCs Removed

4450

4400 -

4350

4300

4250

4200

41503/26/96 4/5/96 4/15/96 4/25/96 5/5/96 5/15/96 5/25/96 6/4/96 6/14/96 6/24/96

MONTGOMERY WATSON

July 10, 1996

Mr. Chuck HallierRockwell International Corporation400 Collins RoadCedar Rapids, Iowa 52498

RE: Quarterly Progress Report for April, May, June, 1996RJ7FS and MW-3C ActivitiesFormer Ralston Disposal Site, Cedar Rapids, Iowa

Dear Chuck:

This letter serves as the quarterly progress report for the remedial investigation/feasibilitystudy (RI/FS) and MW-3C pumping activities conducted at the former Ralston disposal(Ralston) site in Cedar Rapids, Iowa. This quarterly report includes site activitiesconducted during the months of April, May, and June, 1996. RI/FS activities completedduring these months include the following.

MONITORING WELL SAMPLING ACTIVITIES

Most monitoring wells at the Ralston site were sampled on June 18-19, 1996 for the fifthquarter sampling event associated with the Phase 5 Addendum to the April 1992 FieldSampling Plan. However, because of high water levels in Dry Run Creek during mid-June,monitoring wells located north of the creek could not be accessed for sampling. The twomonitoring well clusters located north of Dry Run Creek, MW-3 and MW-4, were sampledon July 2, 1996. Water levels in all site wells were also measured on July 2, 1996. Allmonitoring wells were sampled according to procedures presented in the Phase 5Addendum.

All groundwater samples were shipped to National Environmental Testing, Inc. (NET)-Cedar Falls and analyzed for volatile organic compounds (VOCs). For the June-Julysampling event, monitoring wells located inside the fenced portion of the site (MW-1,MW-2 and MW-3 clusters), the MW-9 cluster, and all private wells were analyzedaccording to EPA Method 8240 for the complete scan of VOCs. All other monitoringwells at the site were analyzed for eight target VOCs, including benzene, 1,1-dichloroethene, cis-l,2-dichloroethene (DCE), trans-l,2-dichloroethene, tetrachloroethene,toluene, trichloroethene (TCE) and vinyl chloride.

Private wells sampled in June 1996 included the Finley, Thurness, Mollenhauer, Pedersen,Grabau and Foster residences.

II107 Aurora Avenue Tel: 515 2530830 Serving the World's Environmental NeedsDes Moines, Iowa Fax: 515 253 9592503227938

Mr. Chuck Hallier Page 2 July 10, 1996

Monitoring Well Sampling Results

Table 1 presents a cumulative summary of target VOC detections in monitoring wells at theRalston site. Laboratory analytical reports for monitoring wells sampled in June areincluded as Attachment A. Because of the delay in sampling, laboratory analytical reportsfor monitoring well clusters MW-3 and MW-4 are only available with a facsimile copy forpreparation of this quarterly report. The facsimile copies are included in Attachment B;when the final analytical reports become available, these will be transmitted to all partiesfor insertion into the final quarterly report.

Concentrations of TCE and DCE decreased in all MW-1 monitoring wells from March toJune 1996. The decrease was observed most significantly in MW-1A, where TCEdecreased from 70.8 u,g/L to 28.4 |ig/L, and DCE decreased from 128 jig/L to 15.1 (ig/L(Table 1). The decrease in VOC concentrations in MW-1A is similar to the reduction inVOC levels which occurred during the same time period last year (June 1995). Thissuggests possible seasonal influences on VOC concentrations in the alluvial groundwatersystem. Other MW-1 monitoring well concentrations decreased on the order of 15 to50 percent between the March and June 1996 sampling events.

At MW-2, concentrations of TCE and DCE declined slightly in MW-2A from March toJune 1996. Vinyl chloride levels decreased in MW-2B, which reversed a trend ofincreasing vinyl chloride concentrations observed since June 1995.

A five-fold increase in VOC concentrations was generally detected in MW-3A, whereTCE, DCE, and vinyl chloride were detected at 5,000 u,g/L, 32,300 u,g/L and 2,320 u.g/L,respectively. However, concentrations of these VOC constituents remained relativelyconsistent in MW-3B. For the first time since groundwater samples were collected fromMW-3D, VOCs were not detected in this well above laboratory quantitation limits. VOClevels have been observed to slowly decrease in this well since sampling began inFebruary 1992 and may signal that aquifer attenuation and dilution processes are reducingVOC concentrations in the middle Scotch Grove Formation of the Silurian aquifer.

TCE and DCE concentrations increased slightly in MW-9B and decreased slightly inMW-9D between the March and June 1996 sampling events. VOC concentrations alsodecreased slightly in MW-7D and remained nondetectable in MW-4C, MW-5D andMW-8D (Table 1).

Residential Well Sampling Results

VOCs were not detected in any private residential wells sampled (Finley, Mollenhauer,Thurness, Pedersen, Grabau and Foster residences) in June 1996 (Attachment A).


SILURIAN GROUNDWATER FLOW DIRECTION

Depth-to-water measurements were conducted in all monitoring wells at the Ralston site onJuly 2, 1996. These measurements and calculated groundwater elevations are presented inTable 2. In general, hydraulic heads in the Silurian aquifer have increased slightly sinceApril 1996, ranging from approximately two feet within the Ralston site boundaries(MW-1D, MW-3D) to approximately 8.5 feet at MW-8D.

The horizontal direction of groundwater flow in the Silurian Scotch Grove Formation isdepicted in Figure 1. The direction of groundwater flow in the Silurian aquifer wasgenerally oriented to the east-southeast in the direction of MW-7D. This easternorientation is similar to the flow direction last observed at the site in July 1995. Theeastern direction of groundwater flow may be indicative of Silurian flow directions duringthe summer months. The Silurian groundwater flow direction reported for the last threequarters (September 1995, December 1995, and April 1996) was oriented toward thesouthwest in the direction of MW-8D.

MW-3C PUMPING ACTIVITIES

The following discussion of MW-3C pumping activities describes pumping and samplingactivities which have occurred from April, May and June 1996.

Summary of Pumping Activities

Estimates of MW-3C operation and extraction volumes are based on system run time logsestablished for April, May and June 1996. Brief periods of dual vapor extraction (DVE)system shutdown occurred intermittently in April and May, 1996. MW-3C was notoperational during these times.

Hours of ' Average Flow EstimatedMonth Operation Rate fgpm) Volume (gal)

April 235 2.3 32,430May 648 2.0 77,760June 517 2.0 62,040

TOTAL 1,400 2.05 172,230

These estimated values for MW-3C pumping duration and volume should be consideredorders of magnitude estimates only. Adding the April through June 1996 total volume tothe volume total presented in the April 12, 1996 Quarterly Report (631,660 gallons)indicates that approximately 803,890 gallons of water have been withdrawn from MW-3Csince pumping began in February 1995.


MW-3C Sampling Results

Analytical results from MW-3C sampling activities are presented in Table 3. A total of tenwater samples were collected from MW-3C between April through June 1996 and analyzedby Rockwell for target VOC constituents. In general, groundwater samples were collectedon a weekly basis whenever MW-3C was pumping. Samples were not collected during ashutdown period between April 4 and April 23, 1996.

Due to periods of intermittent shutdowns, concentrations of VOCs fluctuated throughoutthe sampling period and generally exhibited more fluctuations than observed duringprevious reporting periods. DCE concentrations ranged from a high of 618 Hg/L onMay 21, 1996 to a low of 63.4 |ig/L on June 21. Vinyl chloride concentrations exhibited amore narrow range of concentrations during the sampling period, ranging from 84.5 u;g/Lon April 23 to 224 jtg/L on May 21. The highest concentrations of DCE and vinyl chlorideoccurred after a shutdown period in mid-May when the well was not pumped for anextended period. The pattern of increasing VOC concentrations after a period of shutdownis consistent with the conceptual model of MW-3C pumping discussed in the August 3 1 ,1995 MW-3C Update Memorandum.

PROJECTED RI/FS AND MW-3C ACTIVITIES FOR NEXT QUARTER

RI/FS and MW-3C pumping activities proposed for January, February and March 1996include:

• Quarterly monitoring well sampling activities will be conducted inSeptember 1996 in accordance with the Phase 5 Addendum.

• Pumping and sampling activities associated with MW-3C will continuethrough the second quarter of 1996 as recommended in the MW-3C UpdateMemorandum.

If you have any questions or comments associated with the quarterly progress report, pleasefeel free to contact me.

Sincerely,

Keith Schilling, P.O.Senior Hydrogeologist

/kesrvas

TABLE 1

COMPARISON OF TARGET VOLATILE ORGANIC COMPOUND ANALYTICAL RESULTS FROM VARIOUS SAMPLING PERIODS(Results in |ig/L; Shading Denotes Most Recent Sampling Results)

FORMER RALSTON DISPOSAL SITE - CEDAR RAPIDS, IOWA

Well No.

MW-1A

MW-1B

MW-1C

SampleDate

07-9202-9312-9308-9412-9406-9509-9512-9503-%06-%07-9202-9312-9308-9412-9406-9509-9512-9503-9606-9607-9202-9312-9308-9412-9406-9509-9512-9503-9606-96

Trichloroethene

180120

--

87.516.834.756.770.828.4

250230

-60

11527.755.481.447.441.16545

-7466.958.185.485.463.955.5

cis-1,2-Dichloroethene

170190--144

1142.684.4

12815.1

8601,400

-380703

35.111017546.523.443

120-160181157229223174150

VinylChloride

< 2<10

--

<2<2<2<2<2<2

7<100

-<20<2<2<2<2<2<2<44,J-

<10<2<2<2<2<2<2

U-Dichloroethene

l.J<10

--

<<<<<<1

2<100

-31.4

< 1< 1<1<2<1

22-22.32.54.04.62.62.5

Tetrachloroethene

52,J--1.91.32.02.31.82.37

<100-25.53.05.16.54.04.30.6, J

<10-0.4, J-

< 1< 1< 1<2<1

trans-1,2-Dichloroethene

22,J--1.8

< 1< 1

1.72.7

<19

12, J-35.2

< 11.02.4

<2<1

0.51-11.2

< 1< 1

2.4<2

1.3

Benzene

< 2<10

--

< 1< 1< 1< 1< 1<1

1< 100

-<2< 1< 1< 1< 1< 2< 1<4140

-1610.747.1

11.1

< 2< 1

TABLE 1 (CONTINUED)

COMPARISON OF TARGET VOLATILE ORGANIC COMPOUND ANALYTICAL RESULTS FROM VARIOUS SAMPLING PERIODS(Results in Hg/L; Shading Denotes Most Recent Sampling Results)


Well No.

MW-1D

MW-2A

MW-2B

SampleDate

07-9202-9312-9308-9412-9406-9509-9512-9503-9606-9607-9202-9312-9308-9412-9406-9509-9512-9503-9606-9607-9202-9312-9308-9412-9406-9509-9512-9503-9606-96

Trichloroethene.

29353113.221.914.88.35.73.6

3736

--

15.214.829.824.219.617.4

<1< 1<<<<<<<<1

cis-U-Dichloroethene

.61

1309028.147.936.918.48.37.0

110- 88

--41.152.7

13265.540.833.0

<<<<<<<<

.21.1

Vinyl 1,1- trans-1,2-Chloride Dichloroethene Tetrachloroethene Dichloroethene Benzene

. . . .2,J 0.9. J <4 0.7, J <4

<2 1,J 0.5, J 2 0.3, J0.4 0.8, J 0.2, J 1 <2

< 1 < 1 < <1 < 1<2 <1 < <1 <1<2 <1 < <1 <1<2 <1 < <1 <1<2 <1 < <1 <1<2 <1 <1 <1 <17,J 1,J <10 2,J < 105,J <10 2,J 1,J <10-

.<2 <

3.0 <4.9 <

<2 <<2 <<2 <420 <620 <

<200 <362 <179 <290 <769 <939 <786 <

<<<<<<<<<<<<<<<<

<1 <1<1 < 1<1 <1<1 < 1<1 < 1<1 <1<1 < 1<1 < 1<1 < 1<1 < 1<1 < 1<1 < 1<1 < 1<1 < 1< 1 < 1<1 <1

TABLE 1 (CONTINUED)COMPARISON OF TARGET VOLATILE ORGANIC COMPOUND ANALYTICAL RESULTS FROM VARIOUS SAMPLING PERIODS

(Results in Mg/L; Shading Denotes Most Recent Sampling Results)FORMER RALSTON DISPOSAL SITE - CEDAR RAPIDS, IOWA

Well No.

MW-3A

MW-3B

MW-3C

SampleDate

07-9202-9312-9308-9412-9406-9509-9512-9503-9607-9607-9202-9312-9308-9412-9406-9509-9512-9503-9607-9607-9202-9312-9308-9412-9406-9509-9512-9503-9607-96

Trichloroethene

3,9004,300

--

1,670--

8831,1805,000

2,2001,200

-580493410331337422562

-0.7, J-0.2, J1.0-

1.2---


11,00033,000

--

15,000--

7,7606,190

32,3004,6004,800

-2,4003,2002,6303,0403,1002,9303,340

-8-

38,00073,200

-204

---

VinylChloride

1,5008,900

--

2,420--

1,330872

2,3202,1001,600

-1,8001,4801,5601,8501,8901,4801,300

-3-

9,0008,290

-202

---

1,1-Dkhloroethene

260440, J

--

22.5--

95.287.0

400.0240

200, J-

140134117121141102117

-6.J

-200, J328

-2.6

---

Tetrachloroethene

6.J< 2,500

--1.2--

<5<50<10

0.8, J<500

-<2<1<1<1<1

<20<1

-<2

-<2<1

-< 1

---

trans-1,2-Dichloroethene

32, J< 2,500

--

69.2--

41.2<5060.314

<500-

1217.321.928.226.9

<209.0-

<2-5

76.5-

2.1---

Benzene

7,J< 2,500

--

5.8--<5

<50<10

2562, J-1312.19.69.1

10.6<20

9.8-< 2-< 2246-< 1---

TABLE 1 (CONTINUED)

COMPARISON OF TARGET VOLATILE ORGANIC COMPOUND ANALYTICAL RESULTS FROM VARIOUS SAMPLING PERIODS(Results in [igfL; Shading Denotes Most Recent Sampling Results)


Well No.

MW-3D

MW-3E

MW-4A

SampleDate

07-9202-9312-9308-9412-9406-9509-9512-9503-9607-9612-9308-9412-9406-9509-9512-9503-9607-9607-9202-9312-9308-9412-9406-9509-9512-9503-9607-96

Trichloroethene

_

58732.22.11.21.2I.I

<10.2, J

<2<<<<<<1

-<2

--

<<<<<<

ds-1,2-Dichloroethene

.5003315116.48.14.93.2

<1- I.J<2< 1< 1< 1<1<1<1.2--1.4

< 13.23.7

< 11.2

Vinyl 1,1- trans-1,2-Chloride Dkhloroethene Tetrachloroethene Dichloroethene Benzene

- - . _110 6,J <50 <50 5,J

2 0.4.J <2 0.4.J <27 0.4.J <2 0.4.J <22.6 <1 <1 <1 <1

<2 < <1 <1 <13.2 < <1 <1 <1

<2 < <1 <1 <1<2 < <1 <1 <1<2 < <1 <1 <1<2 <2 <2 <2 <2<2 <2 <2 <2 <2<2 <1 <1 <1 <1< 2 < 1 < 1 < 1 < 1< 2 < 1 < 1 < 1 < 1<2 <1 <1 <1 <1<2 <1 <1 <1 <1<2 <1 <1 <1 <1. . .I.J <2 <2 <2 <2..

<2 < < <1 <1<2 < < <1 <1<2 < < <1 <1

2.2 < < < 1 < 1<2 < < <1 < 1<2 < < <1 <l

TABLE 1 (CONTINUED)

COMPARISON OF TARGET VOLATILE ORGANIC COMPOUND ANALYTICAL RESULTS FROM VARIOUS SAMPLING PERIODS(Results in fig/L; Shading Denotes Most Recent Sampling Results)


Well No.

MW-4B

MW-4C

MW-5D

Sample cis-1,2-Date Trichloroethene Dichloroethene

07-9202-93 < 2 0.3, J12-9308-94 <2 <212-94 < <06-95 < <09-95 < <12-95 < <03-96 < <07-96 <1 <107-9202-93 0.6, J I.J12-93 0.4, J l.J08-94 0.4, J l.J12-94 < <06-95 < <09-95 < <12-95 < <03-96 < <07-96 < < 112-93 <2 <208-94 < 2 < 212-94 < <06-95 < <09-95 < <12-95 < <03-96 < <07-96 < <

VinylChloride

.0.7, J-

<2<2<2<2<2<2<2

-<2<2<2<2<1< 1<2<2<2<2<2<2< 1< 1<2<2<2

1,1- trans-1,2-Dichloroethene Tetrachloroethene Dichloroethene Benzene

.<2 <2 <2 <2.

<2 <2 <2 <2< < <1 <1< < <1 <1< < <1 <1< < <1 <1< < <1 < 1< 1 < < 1 < 1

.<2 <2 <2 <2<2 <2 <2 <2<2 <2 <2 <2< <1 <1 < 1< <1 <1 < 1< <1 <1 <1< <1 <1 < 1< <1 <1 <1< <1 <1 <1<2 <2 <2 <2<2 <2 <2 <2< < <1 < 1< < <1 < 1< < <1 < 1< < <1 < 1< < <1 < 1< < <1 <1

TABLE 1 (CONTINUED)COMPARISON OF TARGET VOLATILE ORGANIC COMPOUND ANALYTICAL RESULTS FROM VARIOUS SAMPLING PERIODS

(Results in |ig/L; Shading Denotes Most Recent Sampling Results)FORMER RALSTON DISPOSAL SITE - CEDAR RAPIDS, IOWA

Well No.

MW-7D

MW-8D

MW-9B

MW-9D

SampleDate

12-9308-9412-9406-9509-9512-9503-9606-%12-9308-9412-9406-9509-9512-9503-9606-9608-9412-9406-9509-9512-9503-9606-9608-9412-9406-9509-9512-9503-9606-96

Trichloroethene

U43.23.53.02.62.41.6

<2<2<<<<<<1110

3.65.51.6

< 11.34.254.26.05.25.57.85.9


l.J55.36.36.65.43.632

<20.6, J.0

<<<<<33015337152.631.922.139.01211.116.317.818.716.614.8

VinylChloride

<2<2<2<1<1<2<2<2<2<2<2<1<1<1<2<14,J

<23.2

<2<2<2<2<2< 1<1< 1< 1<2<2

1,1-Dicnloroethene

<20.2, J

< 1<1<1<1<1<1<2<2<<<<<<195

1.34.8

< 1<1< 1<1

0.2, J< 1< 1< 1< 1<1<1

trans-1,2-Tetrachloroethene Dichloroethene

<2 <2<2 <2<1 <1<1 <1<1 <1<1 <1<1 <1<1 <1

0.4, J <20.6, J <2

<1 <1<1 <1<1 <1«;! <1< 1 < 1<1 <1

<20 3J<1 <1<1 2.7<1 <1< 1 < 1< 1 < 1<1 <1<2 <2<1 <<1 <<1 <<1 <<1 <<1 <

Benzene

< 2<2< 1<1< 1< 1<1<1<2<2< 1<1< 1<1< 1<1110< 1<1< 1< 1< 1< 1<2< 1< 1< 1< 1< 1< 1

J Analyte reported below detection limit and is an estimated value. - Indicates sample was not collected.

TABLE 2

SUMMARY OF GROUNDWATER ELEVATIONS IN MONITORING WELLSFORMER RALSTON DISPOSAL SITE - CEDAR RAPIDS, IOWA

July 2, 1996

Well No.

MW-1AMW-1BMW-1CMW-1DMW-2AMW-2BMW-3AMW-3BMW-3CMW-3DMW-3EMW-4AMW-4BMW-4CMW-5DMW-6CMW-7DMW-8DMW-9BMW-9D

WdlDepth

(ft)

2760

120200

15601560

130200345

1045

130250125250250115250

Top-of-Casing

Elevation(ft)

806.16805.34805.91810.9794.48794.18MS791.94791.1790.58793.62789.47789.79789.6865.98807.75812.02850.02855.49 '856.22

Depth toWater

(ft)

16.3516.3921.9427.04

5.528.035.317.19NM6.588.733.424.185.44

82.1121.2528.2363.9771.4672.38

GroundwaterElevation

(ft)

789.81788.95783.97783.86788.96786.15

787.75

784.00784.89786.05783.61784.16783.87786.50783.79786.05784.03783.04

NM = Water level not measured in well.NS = New top of casing elevation not surveyed.

TABLE 3

SUMMARY OF MW-3C ANALYTICAL RESULTS - JANUARY THROUGH MARCH 1996FORMER RALSTON DISPOSAL SITE - CEDAR RAPIDS, IOWA

DateSampled

04-04-%

04-23-%

05-01-%

05-09-%

05-17-%

05-21-%

05-28-96

06-05-%

06-14-%

06-21-%

DateAnalyzed

04-10-%

04-26-%

05-08-%

05-16-%

05-20-%

05-21-%

05-29-%

06-05-%

06-14-96

06-21-96

VinylChloride

126

84.5

115

100

102

224

158

130

132

92.1

trans-1,2-Methylene Dkhloro-

. • Acetone Chloride ethene

<20 <10 5.27

< 20 < 10 < 1

<20 <10 2.21

< 20 < 10 < 1

<20 - <10 <1

<20 <10 3.22

< 20 < 10 < 1

< 20 < 10 < 1

< 20 < 10 < 1

<20 <10 <1

Methyl cis-1,2-Ethyl Dkhloro- Trichloro- Perchloro-

Ketone ethene ethene Toluene ethene Xylenes

<10 424 59.0 <1 4.03 <1

<10 104 8.52 <1 <1 <1

<10 308 35.8 2.77 2.30 < J

<10 76.3 <1 <1 <1 <1

<10 71.4 <1 <1 <1 <1

<10 618 17.5 1.03 <1 <1

<10 280 <1 <1 <1 <1

<10 227 <1 <1 <1 <1

<10 213 <1 <1 <1 <1

<10 63.4 <1 <1 <1 <1

Note: All analyses conducted with Rockwell gas chromatograph.

NET NATIONALENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls, IA 50613Tel: (319)277-2401Fax: (319)277-2425

ANALYTICAL REPORT

Chuck HallierROCKWELL INTERNATIONAL133-111 Mail Station400 Collins Road NECedar Rapids, IA 52498

07/05/1996

NET Job Number: 96.07818

NET Sample Number: 354006

Sample ID: MW-2B Rockwell Ralston

Date Taken: 06/18/1996 Date Received:

Analyte Result Onit«Result DateFlag Analyst Analyzed Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylonltrileBenzeneBromodichloromethaneBronofonBromomethaneCarbon tetrachlorideQilorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-1,2-Dichloroetheneci>-1,2-Dichloroethene1.2-Dichloropropaneci«-l,3-Dichloropropenet ran*-1,3-DichloropropeneEthylbenzene

<20<SO<1.0<1.0<1.0<10<1.0<1.011.2<1.0<10<1.0<1.0<1.0<1.0<1.01.1<1.0<1.0<1.0<1.0

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

dmddmddmddmddmddaddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmd

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/19960€/27/199«06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

S-8240BS-8240BS-8240BS-8240BS-8240B

f S-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0

R.L. BindertOperations Manager

NET• fc« -• ;NATIONALENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls, IA 50613Tel: (319)277-2401Fax: (319) 277-2425

ANALYTICAL REPORT


07/05/1996




Date Taken: 06/18/1996 Date Received: 06/20/1996

Analvte Result

2-Hexanone <10Methyl ethyl ketone (MEK) <10Methyl iaobutyl ketone (MIBK) <10Methylene chloride <101,1,2,2-Tetrachloroethane <1.0Tetrachloroethenc <l.cToluene <1.C1.1.1-Trichloroethane <1.C1.1.2-Trichloroethane <1.CTrichloroethene <1.0Trichlorofluoromethane <l.0Vinyl chloride 786Xylenes, Total <1.0

ResultOnits Flag

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L Dug/L

Analyst

dnd

dmddmddnddnddnddnddnddnddnddraddmddnd

DateAnalyzed

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/30/199606/27/1996

Method

S-8240BS-8240BS-8240BS-8240B5-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS- 824 OBS-8240BS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0

D - This analyte was diluted for analysis



Cedar Falls Division704 Enterprise DriveCedar Falls. IA 50613Tel: (319)277-2401Fax: (319)277-2425

ANALYTICAL REPORT


07/05/1996



Sample ID: MW-2A Rockwell Ralston

Date Taken: 06/18/1996

Analvte

Date Received:Remit Date

Unit* Flag Analyst Analv Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylotvitrileBenzeneBrooodichloromethaneBromoforaBronomethaneCarbon tetrachlorideOilorobenzeneChloroethaneChloroformOiloromethaneDibromochloromethane1.1-Dichloroe thane1.2-Dichloroethane1.1-Dichloroethenetrana-1,2-Dichloroetheneci«-1.2-Dichloroethene1.2-Dichloropropanedm -1,3 -Dichloropropenetrana-l.3-DichloropropeneEthylbenzene

<20<SO<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1.0<1.033.0<1.0<1.0<1.0<1.0


dmddmddmddaddmddmddmddmddroddmd<taddmddmddmddmddmd

' dmddmddmddmddmd

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

S-B240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-6240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.0

1.01.01.01.01.0


NATIONALENVIRONMENTALTESTING, INC.


ANALYTICAL REPORT


07/05/1996





Analvte Result

2-Hexanone <10Methyl ethyl ketone (MEK) <10Methyl isobutyl ketone (MIBW <10Methylene chloride <101,1,2,2-Tetrachloroethane <1.0Tetrachloroethene <1.0Toluene <1.01.1.1-Trichloro«thane <1.01.1.2-Trichloroethane <1.0Trichloroethene 17.4Trichlorofluoromethane <1.0Vinyl chloride <2.0Xylenes. Total <l.O

Onits

ug/Lug/Lug/Lug/I.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

ResultFlag Analyst

dmddmddmddmddmddmddmddmddmddmddmddmddmd

DateAnalyzed

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

Method

S-8240BS-8240BS-6240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0



Cedar Palls Division704 Enterprise DriveCedar Falls. IA 50613Tel: (319)277-2401Fax: (319)277-2425

ANALYTICAL REPORT


07/05/1996





Analvte ResultResult Date

Onita Flag Analyst Analyzed MethodReporting

Limit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloronethane

Bronoae thaneCarbon tetrachlorideChlorobenzeneChloroe thaneChloroformChlorome thaneOibronochloromethane1. 1-Dichloroethane1 . 2 -Dichloroethane1. 1 -Dichloroethenetrana- 1 , 2 -Dichloroetheneelf -1.2 -Dichloroethene1 . 2 -Dichloropropaneci*-l. 3-Dichloropropenecrane- 1. 3 -DichloropropeneEthylbenzene

<20<SO<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0

<1.0<1.0<1.0<1.039.0<1.0<1.0<1.0<1.0


AnddmddmdQHkQ

dmddmddmddmddmddmddmddmddmddmddmddmddmddmddmddaddmd

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

S-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-6240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0


..V.--; ••••• **-•-. -<•*•-'*- ••-••.


Cedar Falls Division704 Enterprise DriveCedar Falls. IA 50613Tel: (319) 277-2401Fax: (319) 277-2425

ANALYTICAL REPORT


07/05/1996





Analvte Result

2-Hexanone <10Methyl ethyl ketone (MEK) <10Methyl iaobutyl ketone (MIBK) <10Methylene chloride <101.1.2,2-Tetrachloroethane <1.0Tetrachloroethen* <1.0Toluene <1.01.1.1-Trichloroethane <1.01.1.2-Trichloroethane <l.OTrichloroethene 4.2Trichlorofluoromethane <1.QVinyl chloride <2.0Xylenes, Total <1.0

Onits

ug/l.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

ResultPlaq Analyst

dmddmddmddmddmddmddmddnddmddaddmdontodmd

DateAnalyzed

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

Method

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS- 824 OBS-8240BS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: MW-9D Rockwell Ralston



Onits Flag Analyst Analysed Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloroiaethaneBi ornof O£mBromonethaneCarbon tetrachlorideQUorobenzeneChloroethaneChloroformChloromethaneDibrofflochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroetheneci»-l,2-Oichloroe thene1.2-Dichloropropanecis-1,3-Dichloropropenetrans-1,3-DichloropropeneEthylbenzene

<20<50<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0•cl.O<1.0<1.014.8<1.0<1.0<1.0<1.0

ug/Lug/Lug/tug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/i.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

daddmddmddmddmddmddmddmddaddmddmddmddmddmddmdontoGffld

dmddmddmddmd

OC/27/19M06/1-1(199*06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

S-8240BS-B240BS-8240BS -824 OBS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS- 824 OBS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240B

20501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0




ANALYTICAL REPORT


07/05/1996





Analvte

2-HexanoneMethyl ethyl ketone MEK)Methyl icobutyl ketone (MXBC7Methylene chloride1.1.2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoroaethaaeVinyl chlorideJCylenea. Total

Reault

<10<10<10<1 • 0<1 . 0<1.0<1.0<1.05.9<1.0<2.0<1.0

ReaultOnita Flag

ug/Lug/Lug/1.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

Analyst

dmddmddmddmddmddmddmddmddmddmdotnddmddmd

DateAnalyzed

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

Method

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

Report ingLimit

101010101.01.01.01.01.01.01.02.01.0


NlT NATIONALENVIRONMENTALTESTING, INC.


ANALYTICAL REPORT


07/05/1996



Sample ID: Finley Well/Rockwell Ralston


Analvte

Date Received:

Remit DateOnita Flag Analyst Analyzed Method

06/20/1996

Report ingLimit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBronoformBromomethaneCarbon tetrachlorideOilorobenzeneChloroetnaneChloroformChloronethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-1,2-Dichloroetheneciv-1.2-Dichloroethene1.2-Dichloropropaneci«-l,3-Dichloropropenetrana-1,3-DichloropropeneEthylbenzene

<20<50<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1.0<1.0<1 . 0<1 . 0<1.0<1.0<1.0


dmddnddmddmddmddmddmddmddmddmddmddmddmddmddmddmd

' dmddmddmddmddmd

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0


LEGEND:

I786.05/

784.0-

UONITORING WELL

GROUNWATER ELEVATION (JULY Z. 19961

EST/UATED GROUNDHATER FLOW DIRECTION

EOUIPOTENTIAL LINE

MONTCOMERV WATSON

APPROXIMATE GROUNDWATERFLOW DIRECTION IN SILURIAN

SCOTCH GROVE FORMATION(JULY 1996)

FIGURE 1



ANALYTICAL REPORT


07/05/1996



Sample ID: Finley Well/Rockwell Ralston


Jtoalvte

2-HexanoneMethyl ethyl ketone (MEK)Methyl isobutyl ketone (MIBK)Methylene chloride1.1,2,2-TetrachloroethaneTetraehloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoronethaneVinyl chlorideXylenes, Total

Result

<10<10<10<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0

Units

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

ResultFlag Analyst

ofnddnddmddnddmddnddmddmddmddnddnddmddnd

DateAnalyzed

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996OS/30/199606/30/199606/30/199606/30/199606/30/1996

Method


ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT

Chuck Hal HerROCKWELL INTERNATIONAL133-111 Mail Station400 Collins Road NECedar Rapids, IA 52498

07/05/1996



Sample ID: Mollenhauer Well/Rockwell Ralston



Onits Fl«g Analyst Analyzed Method

06/20/1996

ReportingLimit

VOLATILE CONFOUNDSAcetoneAcrylonitr^leBenzeneBromodichloronethaneBrooofomBromomethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-l,2-Dichloroetheneels-1,2-Dichloroethene1.2-Dichloropropaneci>-l,3-Dichloropropenetrans-1,3-DichloropropeneEthylbenzene

<20<50<1.0<1.0<1.0<10<1.0<1.0<xo<1. 0<10<1 . 0<1 . 0<1.0<1.0<1 . 0<1.0<1.0<1.0<1.0<1.0

ug/lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

diddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmd

' dmddmddmddmddmd

06/30/199606/30/1996OC/30/199C06/30/199S06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0

'R.L. BindertOperations Manager


Cedar Falls Division704 Enterprise DriveCedar Falls. IA 50613Tel: (319) 277-2401Fax: (319)277-2425

ANALYTICAL REPORT


07/05/1996



Sample ID: Mollenhauer Well/Rockwell Ralston


Analvte

2-HexanoneMethyl ethyl ketone (MET)Methyl isobutyl ketone (MIBK)Methylene chloride1.1.2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylenea, Total

Result

<10<10<10<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0

Dnit»


RemitFlag toalvat

dmddmddmddntddmddmddmddmddmddmddmddmddmd

DateAnalvied

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

Method

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0



Cedar Falls Division704 Enterprise DriveCedar Falls, IA 5C613Tel: (319)277-2401Fax: (319)277-2425

ANALYTICAL REPORT


07/05/1996



Sample ID: Grabau Well/Rockwell Ralston


AnalvteRemit Data

Re»uXt Onit» Flag Analyat Analyzed MethodReporting

Limit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBroraodichloromethaneBrotnoformBronomethaneCarbon tetrachlorideChlorobenzeneQiloroe thaneChloroformChloromethaneDibromochlororaethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-1,2-Dichloroetheoecis-1,2-Dichloroethene1.2-Dichloropropaneci>-l.3-Dichloropropenetrana-l,3-DichloropropeneEthylbenzene

<20<SO<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1 • 0<1 • 0<1.0<3. • 0<1.0<1 • 0<1.0

ug/Lug/T.ug/Lug/Lug/Lug/Lug/L .ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

dmddnddmddmddmddmddmddmddmddmddmddmddnddmddnddmd

' dmddmddmddmddmd

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0

ftlertOperations Manager

NETI IC I;;NATIONALENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enteiprise DriveCedar Falls. IA 50613Tel: (319)277-2401Fax: (319) 277-2425

ANALYTICAL REPORT


07/05/1996



Sample ID: Grabau Well/Rockwell Ralston


Analvte

2-HexanoneMethyl ethyl ketone (MEK)Methyl iaobutyl keeone (MIBK)Methylene chloride1.1,2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetben*TrichlorofluoromethaneVinyl chlorideXylenea, Total

Result

<10<10<10<10<1 . 0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0

Onits

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L•ug/L

ResultFlag Analyst

dmddaddmddmddmddmddmddmddmddaddmddmddmd

DateAnalyzed

06/3O/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

Method

S-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: Thurness Well/Rockwell Ralston

Date Taken: 06/19/1996 Date Received;

Analvte ResultResult DateFlag Analyst Analv Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBronodichlororaethaneBromoforaBromomethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChlorotnethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroethenecis-1,2-Oichloroethene1.2-Dichloropropanecis-1.3-Dichloropropenetrans-1,3-DichloropropeneBthylbenzen*

<20<50<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1 • 0<1 . 0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0


dmddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmd

• dmddmddmddmddmd

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS- 824 OBS- 824 OBS-8240BS-8240BS-8240BS-8240B5-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0

R.L. BindeiftOperations Manager



ANALYTICAL REPORT


07/05/1996



Sample ID: Thurness Well/Rockwell Ralston


Analvte

2-KexanoneMethyl echyl ketone (MEK)Methyl isobutyl ketone (MIBK)Methylene chloride1,1,2,2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylenea, Total

Re»ult

<10<19<10<10<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0

Onita


ReaultFlag Analyst

dmddnddmdOmAdaddmddmddmddmddmddmddmddmd

DateAnal vied

06/30/199606/30/199636/JO/UMOC/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

Method

S-8240BS-8240BS-8240BS- 824 OBS-B240BS-B240BS-8240BS-8240B5-8240BS-8240BS-8240BS-8240BS-B240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: Foster Well/Rockwell Ralston


AnalvteResult Date

Result Units Flag Analyst Analyzed MethodReporting

Limit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBronodichloromethaneBrooofornBromomethaneCarbon tetrachlorideQilorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenecrans-l.2-Dichloroethenecia-l,2-Dichloroethene1.2-Dichloropropanecis-l,3-Dichloropropenetrans-1,3-DichloropropeneEthylbenzene

:20 ug/L50 ug/L:1.0 ug/L:1.0 ug/L1.0 ug/L10 ug/L1.0 ug/L1.0 ug/L10 ug/L1 . 0 ug/L10 ug/L1 . 0 ug/L1 . 0 ug/L1 . 0 ug/L1 . 0 ug/L1 . 0 ug/L1 . 0 ug/L1 . 0 ug/L1 . 0 ug/L1.0 ug/L1 . 0 ug/L


' dmddmddmddmddmd

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0

lertOperations Manager



ANALYTICAL REPORT


07/05/1996



Sample ID: Foster Well/Rockwell Ralston


»nalvt«

2-HexanoneMethyl ethyl ketone (MEK)Methyl iaobutyl ketone (MIBJOMethylene chloride1.1,2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylene*. Total

BemiltReault qnita Flag

<10 ug/L<10 ug/L<10 ug/L<10 ug/L<1.0 ug/L<1.0 ug/Ltl.O ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<2.0 ug/L<1.O ug/L

Analyst

dmddmddmddmddmddmddmddmddmddmddmddmddmd

DateAnalyzed

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

Method

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: Pedersen Well/Rockwell Ralston



Units Flag Analyst Analyzed MethodReporting

Limit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBromoforaBromomethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-1.2-Dichloroethenecis-1.2-Dichloroethene1.2-Dichloropropanecis-1,3-Dichloropropenetrans-1.3-Dichloroprop«neBthylbenzene

<20<50<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0

ug/Lug/Lug/Lug/Lug/Lug/Lug/L .ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

dmdd*ddmddmddmddmddmddmddmddmddmddmddlDQ

dmddmddmd

' dmddmddmddmddmd

OS/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.0

1.01.01.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: Pedersen Well/Rockwell Ralston


2-HexanoneMethyl ethyl ketone (MEK)Methyl isobutyl ketone (MIBK)Methylene chloride1,1,2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideJCylenea, Total

Result Units

<10 ug/t<10 ug/L<10 ug/L«10 ug/L<1 . 0 ug/L<1 . 0 ug/L<1.0 ug/L<1.0 ug/L<1 . 0 ug/L<1 . 0 ug/L<1 . 0 ug/L<2 . 0 ug/L< 1 . 0 ug/L

ResultFlag Analyst

dmddmddnddmddnddmddnddmddmddmddmddmd

DateAnalyzed

06/30/199*06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

Method


ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: Trip Blank/Rockwell Ralston



Units Flag Analyst Analyzed Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBromofonBrooomethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Oichloroethane1.1-DichloroetheneUranB-l,2-Dichloroethenecis-1,2-Dichloxoethene1.2-Dichloropropanecis-1,3-Dichloropropenetrans-1,3-DichloropropeneBthylbenzene

<20<SO<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10

<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0<1.0cl.O


dmddnddmddaddmddaddnddmddmddmddmddmddmddmddmddmd

' dmddmddmddnddmd

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.0

1.0

1.01.01.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: Trip Blank/Rockwell Ralston


Analvte

2-RexanoneMethyl ethyl ketone (MEK)Methyl iaobutyl ketone (MIBK)Methylene chloride1,1,2,2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylene*. Total

Result

-<10 .<10<10<1.0<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0

Onits


RemitPlaa Analvat

daddmddmddmddmddmddmddmddmddmdQfflu

dmddmd

DateAnalyzed

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

Method

S-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996





Analvt« ResultResult Date

Onita Flag Analyst Analyzed MethodReportingLiait

VOLATILE COMPOUNDSBenzene1.l-Dichloroetaenetrans-1.2-Dichloroethenects-1,2-DichloroetheneTetrachloroetheneTolueneTrichloroetheneVinyl chloride <2.0

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

daddaddmddmd

dad

06/30/1996M/30/199C06/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240B

1.01.01.01.01.01.01.02.0


': X-fVi^rr^ii! •T-'*.NET NATIONALENVIRONMENTALTESTING, INC.

Cedar Fails Division704 Enterprise DriveCedar Falls. IA 50613Tel: {319)277-2401Fax: (319)277-2425

ANALYTICAL REPORT


07/05/1996






Onits Flag Analyst Analyzed Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSBenzene <1.0 ug/L1.1-Oichloroethene <1.0 ug/Ltran*-1.2-Dichloroethene <1.0 ug/Lci*-1.2-Dichloroethene 3.2 ug/LTetrachloroetbene <1.0 ug/LToluene <1.0 ug/LTrichloroethene 1.6 ug/LVinyl chloride <2.0 ug/L

dmddmddmddnddmddmddmd

OS/30/1996OS/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-824OBS-8240BS-8240BS-8240BS-8240B

1.01.01.01.01.01.01.02.0




ANALYTICAL REPORT


07/05/1996





Analvte ResultResult

Dnit« Flag Analyst

Date Received:

DateMethod

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSBenzene <1.0 ug/L1.1-Dichloroethene <1.0 ug/Lerana-1.2-Dichloroethene <1.0 ug/Lcia-l,2-Dichloroethene <1.0 ug/LTetrachloroethene <1.0 ug/LToluene <1.0 ug/LTrichloroethene <1.0 ug/LVinyl chloride <2.0 ug/L

dmddmddaddaddnddnddmddmd

07/01/199607/01/199607/01/199607/01/199607/01/199*07/01/199607/01/199607/01/1996

S-8240BS-8240BS- 824 OBS-6240BS-8240BS-I240BS-8240BS-8240B

1.01.01.01.01.01.01.02.0




ANALYTICAL REPORT


07/05/1996





Result

Date Received: 06/20/1996Result Date

Units Flag Analyst Analyzed MethodReporting

Limit

Alkalinity. Total (CaC03)ChlorideCOD, Low LevelFluor ide, distilledHardness. Total (CaC03)Ammonia Nitrogen (probe)Solids. DissolvedSolids. SuspendedSulfateTotal Organic Carbon (TOC)ICP Metals - SW-6010Calcium. ICPIron. ICPMagnesium. ICPManganese. ICPPotassium, ICPSodium, ICPVOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBronodichloromethane

440 mg/L16 mg/L<S.O mg/L<0.20 mg/L560 mg/L<0.20 mg/L£50 mg/L8.0 mg/L100 ng/L1.5 ng/LComplete rag/L170 rag/L0.14 ng/L29 ng/L<0.010 mg/L<2.0 ng/L13

<20 ug/L<50 ug/L<1 . 0 ug/L<1.0 ug/L

llw11 V

kmvcjhllwllwcjhllwcjhclwInclineImcIncIncIncInc

dmddnddmddmd

06/24/199607/03/199606/28/199606/27/199606/24/199607/03/199606/21/199606/21/199606/24/199607/02/199606/25/199606/25/199606/2S/199606/25/199606/25/199606/25/199606/25/1996

07/01/199607/01/199607/01/199607/01/1996

SM 2320 BSM 4SOO-C1 CSM 5220 BSM 4SOO-F B.CB-130.2SM 4SOO-HH3 FSM 2540 CUSDS 1-3765-85SM 4500-SO4 ESM 5310 BS-6010S-6010AS-6010AS-6010AS-6010AS-6010AS-6010A

S-8240BS-8240BS-8240BS-8240B

5.05.05.00.205.00.20105.0S.O1.0

1.00.101.00.0102.01.0

20501.01.0




ANALYTICAL REPORT


07/05/1996





JUialvte ResultRemit Date

Onit« Flag Analyst Analyzed Method

06/20/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBronoforBBrooioaethaneCarbon tetrachlorideOilorobenzeneChloroethaneOiloroforaQiloromethaneDibromochlorootethane1.1-Dichloroethane1.2-Dichloroethane1.1-DichloroetheneCran*-l,2-Dichloroetheneci»-l.2-Dichloroethene1.2-Dichloropropanecis-1,3-Dichloropropenet ran*-1,3-DichloropropeneEthylbenzene

<20<SO<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1.0<1.015.1<1.0<1.0<1.0<1.0

ug/Lug/Log/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

dmddmddmddaddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmd

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/193606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

S-8240BS-8240BS-B240BS-8240BS-S240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0




ANALYTICAL REPORT


07/05/1996





Analvte

2-Hexanon*Methyl ethyl ketone (HEX)Methyl iaobutyl kttone (MIBK1Methylene chloride1.1.2.2-TetracbloroetbaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideJCylenes. Total

Reault

<10<10<10<10

<1.02.3<1.0<1.0<1.028.4<1.0<2.0<1.0

Dhit»

ug/Lug/Lug/Lug/1.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

ResultPlag Anal vat

draddnddnd<taddnddnddaddnddmddnddmddnddmd

D*teAnalyzed

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

Method


ReportingLimit

101010101.01.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996





Analvte

BromoformBromomethaneCarbon tetrachlorideOilorobenzencOiloroethaneChloroformChloromethaneDibromochloromethane1,1-Dichloroethane1,3-Dichloroethane1.1-Dichloroethenecram -1,2 -Dichloroetheneci«-1,2-Dichloroethene1.2-Dichloropropaneci»-l,3-Dichloropropenetrans-1,3-DichloropropeneEthylbenzene2-HexanoneMethyl ethyl ketone (KBK)Methyl isobutyl ketone (MIBK)Methylene chloride1,1,2,2-Tetrachloroethane

Reanlt Pnit»

<1 . 0 ug/L<10 ug/L<1.0 ug/L<1.0 ug/L<10 ug/L<1 . 0 ug/L<10 ug/L<1 . 0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L23.4 ug/L<1.0 ug/L<1.0 ug/L<l.o ug/L<1.0 ug/L<10 ug/L<10 ug/L<10 ug/L<10 ug/L<1.0 ug/L

ReaultFlag Analyst


, dmddmddmddmddmddmd

DateAnal vied

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

Method

S-8240BS-8240BS-8240BS- 824 OBS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.0


of*';<*•• .'•'-• .-**, , -";• >*•


Cedar Falls Division704 Enterprise DriveCedar Falls. IA 50613Tel: {319)277-2401Fax: (319)277-2425

ANALYTICAL REPORT


07/05/1996





Analvte ResultResult Oat*

Onita Flag Analyst. Analyzed Method

06/20/1996

ReportingLimit

TetrachloroetheneToluene1.1. l-Trichloroethane•1,1.2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylenes, Total

4.3

41.1

<2.0


dad

daddaddaddaddad

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

S-8240BS-8240BS-824OBS-8240BS-8240BS-B240BS-8240BS-8240B

1.01.01.01.01.01.02.01.0




ANALYTICAL REPORT


07/05/1996



Sample ID: MW-1C Rockwell Ralston


AnalvteResult Date

Result Onits Flag Analyst Analyzed MethodReporting

Limit

Alkalinity. Total (CaC03) 320 mg/LChloride 30 mg/LCOO. Low Level <5.0 ng/LHuoride. distilled 1.0 mg/LHardness, Total (CaC03) 400 ng/LAmmonia Nitrogen (probe) <0.20 mg/LSolids. Dissolved 460 mg/LSolids. Suspended 6.7 mg/LSulfate 46 mg/LTotal Organic Carbon (TOC) 1.4 mg/LICP Metals - SW-6010 Complete mg/LCalcium. ICP 110 mg/LIron. ICP <0.10 mg/LMagnesium. ICP 26 mg/LManganese. ICP 0.037 mg/LPotassium. ICP 2.5 mg/LSodium. ICP 19 mg/LVOLATILE COMPOUNDSAcetone <20 ug/LAcrylonitrile <SO ug/LBenzene ". <1.0 ug/LBromodichloromethane <1.0 ug/L

llwllwtanvcjhllwllwcjhllwcjhclwImcImcImcImcImcImcImc

06/24/199607/03/199606/28/199606/27/199606/24/199607/03/199606/21/199606/21/199606/24/199607/02/199606/25/199606/25/199606/25/199606/25/199606/25/199606/25/199606/25/1996

SM 2320 BSM 4500-C1 CSM 5220 BSM 4500-F B,CE-130.2SM 4SOO-NH3 PSM 2540 COSGS I-376S-8SSM 4SOO-SO4 BSM 5310 BS-6010S-6010AS-6010AS-6010AS-6010AS-6010AS-6010A

5.05.05.00.205.00.20105.05.01.0

1.00.101.00.0102.01.0

dmddmddmddmd

06/30/199606/30/199606/30/199606/30/1996

S-8240BS-8240BS-8240BS-8240B

20501.01.0


.-F-..-.*»:.; „ . . - -ri.-™ - - -'•'*.*



ANALYTICAL REPORT


07/05/1996





Analvte

BromoformBrornomethaneCarbon tecrachlorideChlorobenzeneChloroechaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroetheneci«-1,2 -Dichloroethene1.2-Dichloropropanecis-1.3-Dichloropropenetrana-1,3-DichloropropeneEthylbenzene2-HexanoneMethyl ethyl ketone (MEK)Methyl i*obutyl ketone (MIBK)Methylene chloride1,1,2,2-Tetrachloroethane

Result

<1.0<10<1.0<1.0<10<1.0

<10<1.0<1.0<1.02.51.3ISO<1.0<1.0<1.0<1.0<10<10<10<10<1.0

Onits

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

ResultFlag Analyst

dmdanddmddnddntidaddnddmddmddmddmddmddmddmddmddmddmddmddaddmddmddmd

DateAnalyzed

OS/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

Method

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.0




ANALYTICAL REPORT


07/05/1996





Analvte Result OhitResult DateFlag Analyst Analyzed Method

06/20/1996

ReportingLimit

TetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroethen*Trichlorof luorooiethaneVinyl chlorideXylenes, Total

55.5

<2.0


dmddraddmddaddmddmddmddmd

06/30/199606/30/1996Ob/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

S-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-824OB

1.01.01.01.01.01.02.01.0


•v->-v.-^.-.,. ^A ;:S.,NET NATIONALENVIRONMENTAL

|® TESTING, INC.


ANALYTICAL REPORT


07/05/1996





Analvte

Date Received:

Remit DateUnits Flag Analyst Analyzed Method

06/20/1996

ReportingLimit

Alkalinity, Total (CaC03) 240 mg/LChloride IS mg/LCOD, Low Level <S.b mg/LFluoride. distilled <0.20 mg/LHardness, Total (CaC03) 310 mg/LAmmonia nitrogen (probe) <0.20 mg/LSolids. Dissolved 340 mg/LSolids, Suspended <S.O mg/LSulfate 28 mg/LTotal Organic Carbon (TOC) <1.0 mg/LICP Metals - SH-6010 Complete mg/LCalcium, ICP 84 mg/LIron, ICP 0.11 mg/LMagnesium, ICP 19 mg/LManganese. ICP <0.010 mg/LPotassium. ICP 2.5 mg/LSodium, ICP 12 mg/LVOLATILE COMPOUNDSAcetone <20 ug/LAcrylonitrile <50 ug/LBenzene • <1.0 ug/LBromodichloromethane *. <1.0 ug/L

llwllwtanvcjhllwllwcjhllwcjhclwlineImclineImcImcImcImc

06/24/199607/03/199606/28/199606/27/199606/24/199607/03/199606/21/199606/21/199606/24/199607/02/199606/25/199606/25/199606/25/199606/25/199606/25/199606/25/199606/25/1996

SM 2320 BSM 4SOO-C1 CSM 5220 BSM 4500-F B.CE-130.2SM 4500-NK3 FSM 2540 CUSGS 1-3765-85SM 4SOO-S04 BSM 5310 BS-6010S-6010AS-6010AS-6010AS-6010AS-6010AS-6010A

5.05.05.00.205.00.20105.05.01.0

1.00.101.00.0102.01.0

dmddmdMntiidmd

07/01/199607/01/199607/01/199S07/01/1996

S-8240BS-8240BS-824OBS-I240B

20501.01.0




ANALYTICAL REPORT


07/05/1996





Analyte

BromofozmBromomethaneCaroon tetrachlorideChlorobenzeneChloroethaneChlorofomOiloronethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroethenecis-1,2-Dichloroethene1.2-Oichloropropanecis-1, 3-Dichloropropenetrans-1.3-DichloropropeneEthylbeniene2-HexanoneMethyl ethyl ketone (MEK)Methyl isobutyl ketone (MIBK)Methylene chloride1.1.2.2-Tetrachloroethane

Result

<1.0<10<1.0<1.0<10cl.O<10cl.O<1.0<1.0<1.0<1.07.0<1.0<1.0<1.0<1.0<10<10<10<10<1.0

Unit*

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

ResultFlag Analyst

daddmddmddmddmddmddmddmddmddmddmddmddmddmddmddmd

, dmddmddmddmddmddmd

DateAnalyzed

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996 "

Method

S-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.0


NETl iftii.1 INATIONALENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls. IA 50613Tel: (319)277-2401Fax: (319) 277-2425

ANALYTICAL REPORT


07/05/1996





analytic

Date Received:Remit Data

Units Flag Analyst Analyzed Method

06/20/1996

ReportingLimit

T«t racnloroetheneToluene1.1.1-Trichloroethane1.1.2-TrlchloroethaneTrichloroetheneTricnlorofluoromethaneVinyl chlorideJCylenes. Total

3.C<1.0<2.0

ug/I.ug/Lug/Lug/Lug/Lug/Lug/Lug/L

dmddmddmddmddmddmddittddmd

07/01/199S07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

S-8240BS-8240BS-824OBS-8240BS-8240BS-8240BS-J240BS-8240B

1.01.01.01.01.01.02.01.0


NET-

NATIONALENVIRONMENTAL

j® TESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls. 1A 50613Tel: (319)277-2401Fax: (319)277-2425

QUALITY CONTROL REPORTLABORATORY CONTROL STANDARD

ROCKWELL INTERNATIONAL133-111 Mail Station400 Collins Road NECedar Rapids, IA 52498Chuck Hallier


07/05/1996

Analytc

Chlorobenzene1.1-DichloroetheneBchylbenzeneToluen*TrichloroetheneXylenes, Total1.2-Dichloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d8 (Surr.)4-Bronofluorobenzene (Surr.)

Prep RunBatch BatchNumber Number

13501350135013SO135013501350135013501350

LCSTrueConcentration

2020202020SO100100100100

LCS* Recovery

101.S95.0101.599.0100.0100.078.397.£96.9132.0

LCS - Laboratory Control Standard

Advisory Control Limit* - Inorganics - LCS recovery should be 80 - 120%.

vf.-~^T"~~-' --*NET NATIONALENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls, IA 50613Tel: (319) 277-2401Fax: (319) 277-2425

QUALITY CONTROL REPORT


07/05/1996


Enclosed is the Quality Control data for the following samplessubmitted to NET Midwest, Inc. - Cedar Falls for analysis:

SampleNumber

354006354007354008354009354010354011354012354013354014354015354016354017354018354019354020354021354022354023

Sample Description

MW-2B Rockwell RalstonMW-2A Rockwell RalstonMW-lA Rockwell RalstonMW-9B Rockwell RalstonMW-9D Rockwell RalstonFinley Well/Rockwell RalstonMollenhauer Well/Rockwell RalstonGrabau Well/Rockwell RalstonThurness Well/Rockwell RalstonFoster Well/Rockwell RalstonPedersen Well/Rockwell RalstonTrip Blank/Rockwell RalstonMW-5D Rockwell RalstonMW-7D Rockwell RalstonMW-8D Rockwell Ralston ,MW-lB Rockwell RalstonMW-lC Rockwell RalstonMW-lD Rockwell Ralston

DateTaken

06/18/199606/18/199606/18/199606/18/199606/18/199606/19/199606/19/199606/19/199606/19/199606/19/199606/19/199606/19/199606/18/199606/18/199606/18/199606/18/199606/18/199606/18/1996

DateReceived

06/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/199606/20/1996

This Quality Control report is generated on a batch basis. Allinformation contained in this report is for the analytical batch(es)in which your sample(s) were analyzed.

f~-". ;•- -*...:i*i- '•"•'- '• -.-',•Lii™TrNET NATIONALENVIRONMENTALTESTING, INC.





07/05/1996

35400C MW-2B Rockwell Ralaton

VOLATILE COMPOUNDSAcetousAcrylonitrile

Result

<20<SO

Unit*

BroaodichloromethaneP—motaxm

methaneCarbon tetrachlorideChlorobenzeneOiloroethaneQilorofonChloroaethaneDibroaochloronethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-1.2-Dichloroetheneci»-l,2-Dichloroethene1.2-Dichloropropaneele-1,3-Pichloropropenetrana-1.3-DichloropropeneEthyl benzene2-HexanoneMethyl ethyl ketone (MEK)Methyl iaobutyl ketone (MIBK)Methylene chloride1,1,2.2-TetrachloroethaneTetrachloroetheneToluene1.1,1-Trichloroethane

11.2

1.1

DateAnalyzed

06/18/1996

PrepBatchNumber

RunBatchNumber Analysis Method

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lng/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

13481348134813481348134813481348134813481348134813481348134813481348134813481348134813481348134813481348134813481348

S-8240BS- 824 OBS- 824 OBS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

20501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.0






07/05/1996

Recult

354006 MH-2B Rockwell Ralaton

1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoroaethaneVinyl chlorideXylenea, Totall,2-Dichloroethane-d4 (Surr.)

lylbenzene-dlO (Surr.),iuene-d8 (Surr.)

4-Brooofluorobenzene (Surr.)

354007 HM-2A Rockwell Ralcton

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBronodichloromethaneBroaofozvBroaomc thaneCarbon cetrachlorideChlorobenzeneChloroethaneChloroformChloroaethaneDibrooiochlorome thane1.1-Oichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-1.2-Dichloroethenecis-1.2-Dichloroethene

7W<1.010393.093.294.0

<20<SO

Unit*

ug/Lug/Lug/Lug/Lug/L

33.0

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

PrepDate Batch

Analyzed Number

06/18/1996

06/27/199606/27/199606/27/199006/30/199606/27/199606/27/199606/27/199606/27/199606/27/1996

06/18/1996

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

RunBatchNumber

134B13481348134813481348134813481348

13481348134813481348134813481348134813481348134813481348134813481348

Analysi;

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLi nit

1.01.01.02.01.0

20501.01.01.0101.01.0101.0101.01.01.01.01.01.0

NE* NATIONALENVIRONMENTALTESTING, INC.





07/05/1996

Result Unit.

354007 MI-2A Rockwell Ralston

1.2-Oichloropropane <1.0 ug/Lcis-l,3-Dichloropropene <1.0 ug/Ltrans-l,3-Dichloroprop«ne <1.0 ug/LBthylbenzene <1.0 ug/L2-Hexanone <10 ug/LMethyl ethyl ketone (MEK) <10 ug/L

-.hyl isobutyl ketone (MIBK) <10 ug/L_hylen« chloride <10 ug/L

1.1.2,2-Tetrachloroethane <1.0 ug/LTetracbloroethene <1.0 ug/LToluene <1.0 ug/L1.1.1-Trichloroethane <1.0 ug/L1.1.2-Trichloroethane <1.0 ug/LTrichloroethene 17.4 ug/LTrichlorofluoromethane <1.0 ug/LVinyl chloride <2.0 ug/LXylenes. Total <1.0 ug/L1.2-Dichloroethane-d4 (Surr.) 100 %Ethylbenzene-dlO (Surr.) 92.9 %Toluene-dS (Surr.) 92.4 %4-Brooofluorobenzene (Surr.) 94.2 %

3S4008 MM-1A Rockwell Ralston

VOLATILE COMPOUNDSAcetone <20 ug/LAcrylonitrile <SO ug/LBenzene <1.0 ug/LBrooodichloromethane <1.0 ug/LBroraoform <1.0 ug/L

PrepDate Batch

Analyzed Number

06/18/1996

06/27/199606/27/199606/27/199*06/27/199*06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

06/18/1996

06/27/199606/27/199606/27/199606/27/199606/27/1996

RunBatchNumber

134813481348134813481348134813481348134813481348134813481348134813481348134813481348

13481348134813481348

Analysis

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S- 824 OBS-8240B

S-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.01.01.01.0101010101.01.01.01.01.01.01.02.01.0

20SO1.01.01.0


Cedar Falls Division704 Enterprise DriveCedar Falls, IA 50613Tel: (319) 277-2401Fax: (319) 277-2425




07/05/1996

Result

3S4008 MH-1A Rockwell Ralston

Broatomethane <10Carbon tetrachloride <1.0Chlorobenzene <1.0Chloroethane <10Chloroform <1.0Chloronethane <10

roaochloromethane <1.0. . j.-Dichloroethane <1.01,2-Dichloroethane <1.01.1-Dichloroethene <1.0trans-l,2-Dichloroethene <1.0cia-1.2-Oichloroethene IS.11.2-Dichloropropane <1.0cis-1,3-Dichloropropene <1.0£rans-l,3-Dichloropropene <1.0Ethylbenzene <1.02-Hexanone <10Methyl ethyl ketone (MBK) <10Methyl isobutyl ketone (MIBK) <10Methylene chloride <101,1,2.2-Tetrachloroethane <1.0Tetrachloroethene -2.3Toluene <1.01.1.1-Trichloroethane <1.01.1.2-Trichloroethane <1.0Trichloroethene 28.4Trichlorofluoromethane <1.0Vinyl chloride <2.0Xylenes, Total <1.01.2-Dichloroethane-d4 (Surr.) 102

Unit*

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L%

PrepDace Batch

Analyzed Number

06/18/1996

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996OC/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

RunBatchNumber

1348134813481348134813481348134813481348134813481348134«13481348134813481348134813481348 •13481348134813481348134813481348

Analysis

S-8240BS-8240BS-8240BS- 824 OBS- 824 OBS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.01.01.02.01.0

? '• .f-ij.ifi-i-_.'P-TT-'*p- •-•IP"*W"NET NATIONAL

ENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls, IA 50613Tel: (319) 277-2401Fax: (319)277-2425




07/05/1996

Result Unit*

354008 MW-1A Rockwell Ralston

DateAnalyzed

PrepBatchNumber

RunBatchNumber Analysis Method

ReportingLimit

Bthylbenzene-dJ.0 (Surr.) 93.4Toluene-dS (Surr.) 93.C4-Bromofluorobenzene (Surr.) 92.3

354009 HH-9B Rockwell Ralston

OC/27/199606/27/199S06/27/1996

06/18/1996

134813481348

S-8240BS-8240B

•JkTILE COMPOUNDS-etone

AcrylonitrileBenzeneBroaodichloromethaneBronofor*BrcmomethaneCarbon tetrachlorideChlorobcnzeneChloroethaneQiloroforwOilorone thaneDibromochloroaethane1.1-Dichloroethan*1.2-Dichloroethane1.1-Dlchloroethenetrans-1,2-Dichloroethenecis-1,2-Dichloroethene1.2-Dichloropropanecis-1,3-Dichloropropenetrans-1,3-DichloropropeneBthylbenzene2-HexanoneMethyl ethyl ketone (HEX)

<20<SO<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1.0<1.039.0<1.0<1.0<1.0<1.0«10<10

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996OS/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199S06/27/199606/27/199606/27/199606/27/199606/27/1996

13481348134813481348134813481348134813481348134813481348134813481348134813481348134813481348

S-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS- 824 OBS- 824 OBS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-S240BS-8240BS-8240BS-8240B

20501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.01010

,-MS.S,. '•;• ->"--• •••> ^n»« .«**••;•






07/05/1996

Result

354009 MH-9B Rockwell Ralston

Methyl iaobutyl ketone (MIBK) <10Methylene chloride <101,1.2.2-Tetrachloroethane <1.0Tetrachloroethene <l.OToluene <1.01.1.1-Trichloroethane <1.0• -,2-Trichloroethane <1.0

jhloroethene 4.2Trichlorofluoronethane <1.0Vinyl chloride c2.0Xylenea. Total <1.01.2-Dichloroethane-d4 (Surr.) 102Ethylbenzene-dlO (Surr.) 96.3Toluene-d8 (Surr.) 95.34-Broaofluorobenzene (Surr.) 94.3

354010 MW-9D Rockwell Ralaton

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloronethaneBromoformBrotBooethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChlorome thane

<20<50

units

ug/Lug/Lug/T.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L%*%%

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

DateAnalyzed

06/18/1996

06/27/199606/27/199*0«/27/199606/27/199*06/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199*06/27/199606/27/199606/27/1996

06/18/1996

06/27/199606/27/1*9606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

Prep BunBatch BatchNumber Number

1348134t1348134813481348134813481348134813481348134813481348

13481348134813481348134813481348134813481348

Analyaii

S-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240B5-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLinit

10101.01.01.01.01.01.01.02.01.0

20501.01.01.0101.01.0101.010


Cedar Falls Division704 Enterprise DriveCedar Falls, IA 50613Te<: (319)277-2401Fax: (319) 277-2425




07/05/1996

Result Dnita

354010 MK-9D Rockwell Ralston

Dibroaochloromethane <1.0 ug/L1.1-Dichloroethane <1.0 ug/L1.2-Dichloroethane <1.0 ug/L1,1-Dichloroethene <1.0 ug/Ltrana-l,2-Dichloroethene <1.0 ug/Lci«-l,2-Dichloroethene 14.8 ug/L

'-Dichloropropane <1.0 ug/Lj-1.3-Dichloropropene <1.0 ug/L

trana-1,3-Dichloropropene <1.0 ug/LEthylbenzene <1.0 ug/L2-Hexanone <10 ug/LMethyl ethyl ketone (MEK) <10 ug/LMethyl iaobutyl ketone (MIBK) <10 ug/LMethylene chloride <10 ug/L1,1,2.2-Tetrachloroethane <1.0 ug/LTetrachloroetnene <1.0 ug/LToluene <1.0 ug/L1.1.1-Trichloroethane <1.0 ug/L1.1.2-Trichloroethane <1.0 ug/LTrichloroethene 5.9 ug/LTricfalorofluoromethane <1.0 ug/LVinyl chloride x2.0 ug/LXylenea. Total <1.0 ug/Ll,2-Dichloroethane-d4 (Surr.) 101 %Ethylbenzene-dlO (Surr.) 96.6 %Toluene-dC (Surr.) 97.2 %4-Bronofluorobenzene (Surr.) 91.2 %

PrepDate Batch

Analyzed Number

06/18/1996

06/27/199606/27/199606/27/199606/27/199606/27/1996OS/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

RunBatchNumber

134813481348134813481348134813481348134813481348134813481348134813481348134813481348134813481348134813481348

Analysii

S-B240BS-B240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

ReportingLimit

1.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.01.01.02.01.0






07/05/1996

Reault Unit*

354011 Pinley Well/Rockwell Ralston

DateAnalyzed

06/19/1996

PrepBatchHumber

RunBatchNumber

VOLATILE COMPOUNDSAcetoneAcrylonitrile

<20<50

BxaeodichloronethaneBroaofoxw

IP** thanejon tetrachloride

ChlorobenzeneChloroethaneChloroformChloroaethaneDibronochloromethane1.1-Dichloroethane1.2-DiChloroethane1.1-OichloroetheneCrane-1.2-Dichloroetheneci»-l,2-Dichloroethene1.2-Dichloropropaneci>-l.3-Dichloropropene£rans-l.3-OichloropropeneXthylbenzene2-HexanooeMethyl «thyl ketone (HEX)Methyl isobutyl ketone (MIBK)Metbylene chloride1,1,2.2-TetrachloroethaneTetracnloroetheneToluene1.1.l-Trichloroethane

Analysis Method

1 ugAL1 ug/L0 ug/L0 ug/L0 ug/L

i ug/L0 ug/L0 ug/L

ug/L0 ug/L

ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L

ug/Lug/Lug/Lug/L

9 ug/LD ug/L9 ug/L> ug/L

06/30/199C06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

134913491349'13491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

20501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.0






07/05/1996

Result

3S4011 Finley Hell/Rockwell Ralston

1,1.2-Trichloroethane <1.0Trichloroethene <1.0Trichlorofluoromethane <1.0Vinyl chloride <2.0Xylenea. Total <1.0l,2-Dichloroethane-d4 (Surr.) 103v t-ylbenzene-dlO (Surr.) 92.6

.ene-48 (Surr.) 91.94-Bromofluorobenzene (Surr.) 95.2

354012 Mollenhauer Kell/Rockwell Ralston

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBrooodichloromethan*Brooofor*BromoraethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloroMthaneDibronochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethen*tran*-l.2-Dichloroetheneci«-l,2-Dichloroethene

<20<SO

Onlt*



PrepDate Batch

Analyzed Niu&er

06/19/1996

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996.06/30/199606/30/1996

06/19/1996

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

RunBatchNumber

134913491349134913491349134913491349

13491349134913491349134913491349134913491349134913491349134913491349

Analysii

S-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OB

S-8240BS-8240B

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.01.01.02.01.0

20501.01.01.0101.01.0101.0101.01.01.01.01.01.0

'KlfT-NET NATIONALENVIRONMENTALTESTING, INC.





07/05/1996

Reault

354012 Mollenhauer Hell/Rockwell Ralaton

1,2-Dichloropropane <1.0dm-1,3 -Dichloropropene <1.0tran»-l,3-Dichloropropen* <1.0BthyIbenzene <1.02-Rexanone <10Methyl ethyl ketone (HEX) <10

rhyl ioobutyl ketone (MIBK) <10-hylene chloride <10

1,1.2,2-Tetrachloroethane <1.0Tetrachloroethene <1.0Toluene <1.01.1.1-Trichloroethane <1.01.1.2-Trichloroethane <1.0Trichloroethene <1.0Trlchlorofluoromethane <1.0Vinyl chloride <2.0Zylenea, Total <1.01.2-Oichloroethane-d4 (Surr.) 103Stby Ibenzene-dlO (Surr.) 94.2Toluene-da (Surr.) 92.84-Bro*ofluorobenzene (Surr.) 94.0

354013 Grabau Nell/Rockwell Ralitbn

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBronoform

<20<50

Unit*

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L%%%%


PrepDate Batch

Analyzed Number

06/19/1996

M/30/199C06/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996. 06/30/199606/30/199606/30/139606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199C06/30/199606/30/199606/30/199606/30/1996

06/19/1996

06/30/199606/30/199606/30/199606/30/199606/30/1996

RunBatchNumber

134913«91349134913491349134913491349134913491349134913491349134913491349134913491349

13491349134913491349

Analysii

S-8240BS-8240BS-8240BS-B240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

S-8240BS-B240BS-8240BS-8240BS-8240B

ReportingLimit

1.01.01.01.0101010101.01.01.01.01.01.01.02.01.0

20501.01.01.0

NEl NATIONALENVIRONMENTALTESTING, INC.

Cedar Falls Division704 Enterprise DrivaCedar Falls. IA 50613Tel: (319) 277-2401Fax: (319)277-2425




07/05/1996

Remit unit*

Prep SunDate Batch Batch

Analyzed Number Number Analysis Method

354013 Grabau Nell/Rockwell Ralcton

BromoaethaneCarbon tetrachlorideQilorobenzeneChloroethaneChloroformdlorone thane~' bronochlorouethane

. -Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrana-l.2-DichJ.orci«-1.2-Dichloroethenc1.2-Dichloropropaneci*-l.3-Dichloropropenetrana-1.3-DichloropropeneEthylbenzen*2-HexanoneMethyl ethyl ketone (HEX)Methyl ioobutyl ketone (HIBK)Methylene chloride1.1.2,2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroetheneTrichlorofluoroaethaneVinyl chloridelylenes. Total1.2-Dichloroethane-d4 (Surr.)

06/19/1996

<10 ug/L«1 . 0 ug/L<1.0 ug/L<10 ug/L<1 . 0 ug/L<10 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1 . C ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<10 ug/L<10 ug/L<10 ug/L<10 ug/L<1 . 0 ug/L<i.O ug/L<1 . 0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<1.0 ug/L<2 . 0 ug/L<1.0 ug/L107 %

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996. 06/30/199606/30/19960«/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

1349X34»1349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349

S-8240BS-8240BS-A240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-S240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-B240BS-8240BS-8240BS-8240B

ReportingLimit

101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.01.01.02.01.0






07/05/1996

Reaule

354013 Grabau Hell/Rockwell Ralston

Ethylbenzene-dlO (Surr.) 93.2Toluene-48 (Surr.) 97.94-Bromofluorobenzene (Surr.) 92.6

3S4014 Thurneaa Hell/Rockwell Ralaton

Unita

PrepDate Batch

Analyzed ItuBber

06/19/1996

06/30/199606/30/199606/30/1996

RunBatchNumber

134913491349

Analyaii

S-8240BS- 824 OB

ReportingLimit

06/19/1996

1LATILE COMPOUNDS.etone

AcrylonitrlleBenzeneBroaodichloromethaneBroaoforvBrmoiMthaneCarbon tetrachlorideChlorobenzeneCnloroethanettloroformCalm methaneDibrooochlorooie thane1.1-Oichloroetbane1.2-Dichloroathane1.1-Dichloroethenetrana-1.2-Dichloroethenecia-1,2-Dichloroethene1.2-Dichloropropanecia-1.3-Dichloropropenetrana-1,3-DichloropropeneEthylbenzene2-KexanoneMethyl ethyl ketone (MEK)

<20<SO

) ug/L> ug/L0 ug/Lo ug/L0 ug/L

i ug/L0 ug/L0 ug/L

i ug/L0 ug/L

> ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L0 ug/L

ug/Lug/L

. 06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

13491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-6240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.01010






07/05/1996

Result

3S4014 Thurne«» Well/Rockwell Ralston

Methyl isobutyl ketone (HIBK) <lt>Methylene chloride <101.1.2.2-Tetrachloroethane <1.0Tetrachloroethene <1.oToluene <1.01.1.1-Trichloroethane <1.0i 1.2-Trichloroethane <1.0

chloroethene <1.o•irichlorofluororoethane <1.0Vinyl chloride <2.0Xylenes, Total <1.01.2-Dichloro«thane-d4 (Surr.) 90.2Ethylbenzene-dlO (Surr.) 95.5Toluene-da (Surr.) 93.74-BroBOfluorobenzene (Surr.) 18.2

354015 Foster Nell/Rockwell Ralston

unit*

ug/L

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

VDL&TILB COMPOUNDSAcetoneAcrylonitrileBenzeneBronodichloromethaneBroaofonBrononethaneCarbon tetrachlorideOilorobenzeneChloroethaneChloroformChloromethane

<20<50

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

PrepDate Batch

Analyzed Number

06/19/1996

OS/30/199606/30/1996M/30/19M06/30/199606/30/199606/30/199606/30/1996

. 06/30/199606/30/199606/30/199606/30/1996OC/30/1996OC/30/199606/30/199606/30/1996

06/19/1996

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

RunBatchNumber

134913491349134913491349134913491349134913491349134913491349

135013SO135013501350135013501350135013501350

Analysii

S-8240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

S-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

10101.01.01.01.01.01.01.02.01.0

20SO1.01.01.0101.01.0101.010






07/05/1996

Result

35401* Pedersen Well/Rockwell Ralston

Prep RunDate Batch Batch

Unit* Analyzed Number Number Analysis Method

06/19/1996

ReportingLimit

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBronodichloronethaneIronoforsiomome thane

Carbon tetrachlorideChlorobenieneOiloroethaneChloroformChloromethaneDibronochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroetheneci«-l,2-Dichloroethene1.2-Dichloropropanecis-1,3-Dichloropropenetrans-1,3-DichloropropeneEthylbenzene2-HexanoneMethyl ethyl ketone (HEX)Methyl isobutyl ketone (MIBK)Methylene chloride1.1,2,2-TetrachloroethaneTetrachloroetheneToluene1,1,1-Trichloroethane

<20<50<1.0<1.0<1.0<10<1.0<1.0<10<1.0<10<1.0<1.0<1.0<1.0<1.0

<1.0<1.0<1.0<1.0<1.0<10clOclO<10cl.O(1.0cl . 0el . 0

ug/Lug/Lag/i.ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

06/30/199606/30/1996OC/30/199606/30/199606/30/199606/30/1996

. 06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996OS/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

13491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349

S-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.0

1.01.01.0






07/05/1996

Result

354016 Pedersen Well/Rockwell Ralston

UnitsDate

Analyzed

06/19/1996

Prep RunBatch BatchNumber Number Analysis Method

ReportingLimit

1.1.2-TrichloroethaneTrichloroetheneTrichlorof luoromethaneVinyl chlorideXylenes, Total

-Dichloroethane-d4 (Surr.).ylbenzene-dlO (Surr.)

Toluene-d8 (Surr.)4 -Brovof luorobenzene (Surr . )

354017 Trip Blank/Rockwell Ralston

<1.0<1.0<1.0<2.0<1.011296.093.790.1

ug/Lug/Lug/Lug/Lug/L%%%t

06/30/195606/30/199*06/30/199606/30/199606/30/199606/30/199606/30/1996

. 06/30/199606/30/1996

134913491349134913491349134913491349

S-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240B

S-8240BS-8240B

1.01.01.02.01.0

06/19/1996

VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBroModlchloromethaneBrCMBOfomBromnethaneCarbon tetrachlorideChlorobenzeneQiloroe thaneQiloroforwChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1,1-Oichloroethenetrans-l.2-Dichloroetheneci»-l,2-Dichloroethene

<20<SO<1.0<1.0<1.0<10<1.0xl.O<10<1.0<10<1.0<1.0<1.0<1.0<1.0<1.0


06/27/199606/27/199606/27/19,9606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996

13481348134813481348134813481348134813481348134813481348134813481348

S-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240B

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.0






07/05/1996

Result

354017 Trip Blank/Rockwell Ralston

1,2-Dichloropropane <1.0cis-l,3-Dichloropropene <1.0tran»-l,3-Dichloropropene <1.0Btfaylbenzene <1.02-Rexanone <10• -.hyl ethyl ketone (MEK) <10

nyl i»obutyl ketone (HIBK) <10Hethylene chloride <101,1.2.2-Tetrachloroethane cl.OTetrachloroethene <1.0Toluene <1.01.1.1'Trichloroethane <1.01.1.2-Trichloroethane <1.0Tricnloroethene <1.0Trichlorofluoronethane <1.0Vinyl chloride <2.0Xylenes. Total <1.01.2-Dichloroethane-d4 (Surr.) 105Ethylbenzene-dlO (Surr.) 95.8Toluene-dl (Surr.) 92.94-Brcwofluorobenzene (Surr.) 41.4

354018 MN-SD Rockwell Ralston

VOLATILE COMPOUNDSBenzene <1.0a.1-Dichloroethene <1.0tr*n«-1,2-Dichloroethene <1.0ci»-1,2-Dichloroethene <1.0Tetrachloroethene <1.0

Dnlta



PrepDate Batch

Analyzed Number

06/19/1996

0«/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/199606/27/1996OC/27/199606/27/lJ»«06/27/199606/27/199606/27/199606/27/199606/27/1996

06/18/1996

06/30/199606/30/199606/30/199606/30/199606/30/1996

RunBatchNumber

134813481348134813481348134813481348134813481348134813481348134813481348134813481348

13491349134913491349

Analysi

S-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS- 824 OB

S-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.01.01.01.0101010101.01.01.01.01.01.01.02.01.0

1.01.01.01.01.0


Cedar Falls Division704 Enterprise DriveCedar Falls. IA 50613Tel: (319)277-2401Fax: {319)277-2425




07/05/1996

Reault Unita

3S4011 MH-5D Rockwell Ralaton

Toluene <1.0 ug/LTrichloroethene <1.0 ug/LVinyl chloride <2.G ug/L1.2-Dichloroethane-d4 (Surr.) 107 %Ethylbenzene-dlO (Surr.) 95.0 %

\ienc-d8 (Surr.) 92.6 %. Jroaofluorobenzene (Surr.) 92.4 %

3S4019 MM-7D Rockwell Ralaton

VOLATILE COMPOUNDSBenzene <1.0 ug/L1.1-Dichloroethene <1.0 ug/Ltrana-l,2-Dichloroethene <1.0 ug/Lcia-l,2-Dichloroethene 3.2 ug/LTetrachloroethene <1.0 ug/LToluene <1.0 ug/LTrichloroethene 1.6 ug/LVinyl chloride <2.0 ug/L1.2-Dichloroethane-d4 (Surr.) 113 %Ethylbenzene-dlO (Surr.) -94.4 %Toluene-d8 (Surr.) 91.3 %4-Bronofluorobenzene (Surr.) 89.0 %

354020 MH-8D Rockwell Ralaton

VOLATILE COMPOUNDSBenzene <1.0 ug/L1.1-Dichloroethene <1.0 ug/Ltrana-1.2-Dichloroethene <1.0 ug/L

PrepDate Batch

Analyzed Number

06/18/199*

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

06/18/1996

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

06/18/1996

07/01/199607/01/199607/01/1996

RunBatchNumber

1349134913491349134913491349

134913491349134913491349134913491349134913491349

13SO13SO1350

Analyaii

S-8240BS-8240BS-8240BS-8240B

S- 824 OBS-8240B

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

S-8240BS-8240BS-8240B

ReportingLimit

1.01.02.0

1.01.01.01.01.01.01.02.0

1.01.01.0

^^.---•-.^ -,.--.£






07/05/1996

354020 MM-BD Rockwell Ralston

cia-1,2-DichloroetheneTetrachloroetheneTolueneTrichloroetheneVinyl chloride

•>-Dichloroethane-d4 (Surr.).ylbenzene-dlO (Surr.)

Toluene-dB (Surr.)4-Bronofluorobenzene (Surr.)

354021 MM-IB Rockwell Ralston

Alkalinity. Total (CaC03)ChlorideCOO. Low LevelPluoride, distilledHardness, Total (CaC03)Ammonia Nitrogen (probe)Solids. DissolvedSolids. SuspendedSulfateTotal Organic Carbon (TOOICP Metals - SW-6010Calcium. ICPIron. ICPMagnesium. ICPManganese. ICPPotassium. ICPSodium, ICPVOLATILE COMPOUNDS

Result

<1.0<1.0<1.0<1.0<2.0IB. 596.992. •88.8

44016<5.0<0.20560<0.206501.01001.5Complete1700.1429<0.010<2.013

Unit*

ug/Lug/Lug/Lug/Lug/L%t*%

mg/Lmg/Lmg/Lmg/L•grt.mg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/L

PrepDate Batch

Analyzed Number

06/18/1996

07/01/199*07/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

. 07/01/199607/01/1996

06/18/1996

06/24/199607/03/199606/28/199606/27/199606/24/199607/03/199606/21/199606/21/199606/24/199607/02/199606/25/199606/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 794

RunBatchNumber

135013501350135013501350135013501350

2214886402111994894041328223392732733412733733733733

Analysis Methc

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-B240B

SM 2320 BSM 4500-C1 CSM 5220 BSM 4500-F B.CE-130.2SM 4500-NH3 PSM 2540 CUSQS I-376S-85SM 4SOO-SO4 BSM 5310 BS-6010S-6010AS-6010AS-6010AS-6010AS-6010AS-6010A

ReportingLimit

1.01.01.01.02.0

5.05.05.00.205.00.20105.0S.O1.0

1.00.101.00.0102.01.0

: '••. -£* -yNET NATIONALENVIRONMENTALTESTING, INC.





07/05/1996

354021 MH-1B Rockwell Ralston

AcetoneAcrylonitrileBenzeneBromodichloromethaneBrooKifom~ -comae thane

.-ton tetrachlorideCblorobenzeneCnloroethaneOvloroformChlorooiethaneDibronochloromethane1.1-Dichloroethane1.2-Oichloroethane1.1-Oichloroetheneerana-1.2-Dichloroetheneci»-l,2-Dichloroethene1.2-Dichloroprcpaneci«-l,3-Dichloropropeneeran>-l,3-DichloropropeneEthylbenzene2-HexanoneMethyl ethyl ketone (HEXIMethyl isobutyl ketone (MIBK)Methylene chloride1.1.2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-Trichloroethane

Result

<20<50

23.4

4.3

Units

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

PrepDace Batch

Analyzed Number

06/18/1996

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

RunBatchNumber

135013SO1350135013501350135013501350135013501350135013501350135013501350135013501350135013501350135013501350135013501350

Analysis

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-6240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-I240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

20SO1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.0






07/05/1996

354021 MH-1B Rockwell Ralaton

TrichloroetheneTrichlorofluoromethaneVinyl chlorideXylenes. Totall,2-Dichloroethane-d4 (Surr.)

ylbenzene-dlO (Surr.)-uene-d8 (Surr.)

4-Bronofluorobenzene (Surr.)

354022 MM-1C Rockwell Ralston

Alkalinity. Total (CaC03)ChlorideCOO. Low LevelFluoride. distilledHardness, Total (CaC03)Ammonia Nitrogen (probe)Solid*. DissolvedSolids, SuspendedSulfat*Total Organic Carbon (TOC)1C? Metals - SW-6010Calcium. ICPIron. ICPMagnesium,, ICPManganese. ICPPotassium, ICPSodium. ICPVOLATILE COMPOUNDSAcetone

Remit

41.1

<1.0<2.0<1.010996.491.786.9

32030<S.O1.0400<0.204606.7461.4Complete110<0.10260.0372.519

Unit*

ug/Lug/Lug/Lug/L%%%%

•g/L«g/L•g/L•g/L•g/L•g/L•g/L•g/L•g/L»g/L•g/L•g/L•g/L•g/L•g/L•g/Lmg/L

PrepDate Batch

Analyzed number

06/18/1996

07/01/199607/01/199607/01/199607/01/199*07/01/199607/01/199607/01/1996

. 07/01/1996

06/18/1996

06/24/199607/03/199606/28/199606/27/X99*06/24/19,9607/03/199606/21/199606/21/199606/24/199607/02/199606/25/199606/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 794

RunBatchNumber

13501350135013SO1350135013501350

2214886402111994894041328223392732733412733733733733

Analysis M<

S-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

SM 2320 BSM 4500-C1SM 5220 BSM 4500-P BB-130.2SM 4500-NH3SM 2540 C

ithe

C

,C

F

OSGS I-376S-85SM 4SOO-SO4SM 5310 BS-6010S-6010AS-6010AS-6010AS-6010AS-6010AS-6010A

B

ReportingLimit

1.01.02.01.0

<20 ug/L 06/30/1996 1349 S-8240B

5.05.05.00.205.00.20105.05.01.0

1.00.101.00.0102.01.0

20






07/05/1996

Result Onits

354022 MH-1C Rockwell Ralston

Acrylonitrile <SOBenzene <1.0Brooodichloronethane <1.0Bronof on <1.0Bromooethane <10

on tetrachloride <1.0L.._orobenzene < 1.0Chloroethane <10Chloroform <1.0Chloromethane <10Dibrooochloromethane <1.01.1-Dichloroethane <1.01.2-Oichloroethane <1.01.1-Dichloroethene 2.5trana-l,2-Dichloroethene 1.3cis-1.2-Dichloroethene ISO1.2-Dichloropropan* <1.0cis-1.3-Dichloropropene <1.0trana-1,3-Dichloropropene <1.0Ethylbenzene <1,02-Hexanone <lpMethyl ethyl ketone (MEK) <10Methyl isobutyl ketone (MIBK) <10Methylene chloride <101,1.2,2-Tetrachloroethane <1.0Tetrachloroethene <1.0Toluene <1.01.1.1-Trichloroethane <1.01.1.2-Trichloroethane <1.0Trichloroethene S5.S

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

PrepDate Batch

Analyzed Number

06/18/1996

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

RunBatchNumber

134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349

Analysii

S- 824 OBS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B5-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.01.0

>":^W;^-.•>•'••"••-"-•>.-.-•






07/05/1996

Result

354022 MH-1C Rockwell Ralston

Trichlorofluoromethane <1.0Vinyl chloride <2.0Xylenes. Total <1.01.2-Dichloroethane-d4 (Surr.) 108Ethylbenzene-dlO (Surr.) 94.8>luene-d< (Surr.) 92.7Bromofluorobenzene (Surr.) 89.8

354023 MN-1D Rockwell Ralston

Alkalinity. Total (CaC03)ChlorideCOD, Low LevelPluoride, distilledHardness, Total (CaC03)Aononia Nitrogen (probe)Solids, DissolvedSolids, SuspendedSulfateTotal Organic Carbon (TOC)ICP Metals - SM-6010Calcium, ICPIron, ICPMagnesium, ICPManganese, ICPPotassium, ICPSodium, ICPVOLATILE COMPOUNDSAcetoneAcrylonitrile

24015<S.O<0.20310<0.20340<5.028

Complete840.1119<0.0102.512

<20<SO

Units

ug/Lug/Lug/L%*t*

ng/Lmg/tmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/L•g/Lng/Lmg/Lmg/Lmg/L

ug/Lug/L

PrepDate Batch

Analyzed Number

06/18/1996

06/30/199606/30/199606/30/199606/30/199606/30/199606/30/199606/30/1996

06/18/1996

06/24/199607/03/199606/28/199606/27/199606/24/199607/03/199606/21/199606/21/199606/24/199607/02/199606/25/199606/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 79406/25/1996 794

07/01/199607/01/1996

RunBatchNumber

1349134913491349134913491349

2214886402111994894041328223392732733412733733733733

13501350

Analysis Me

S-8240BS-8240BS-8240bS-8240B

S-8240BS-8240B

SM 2320 BSM 4SOO-C1SM 5220 BSM 4SOO-F BB-130.2SM 4500-NH3SM 2540 C

ithc

C

,c

p

USGS I-3765-8SSM 4500-SO4SM 5310 BS-6010S-6010AS-6010AS-6010AS-6010AS-6010AS-6010A

S-8240BS-8240B

B

ReportingLimit

1.02.01.0

5.05.05.00.205.00.20105.05.01.0

1.00.101.00.0102.01.0

20SO

*»-.•..' ."•»-.-VFt: "'..'. ;< - - : > - ' :ip-nrNET NATIONALENVIRONMENTALTESTING, INC.





07/05/1996

Result

354023 MW-1D Rockwell Ralston

Benzene <1.0Bromodichloromethane <1-0Broaof on <1.0BroKxnethane <10Carbon tetrachloride <1.0

* orobenzene <1.0.oroethane <10

Chlorofon <1.0Chloroaethane <10Dibrowochloromethane <1.01.1-Dichloroethane <1.01.2-Dichloroethane <1.01.1-Oichloroethene <1.0trans-l.2-Dichloroethene <1.Bcia-1.2-Dichloroethene 7.01.2-Dichloropropane <1.0cia-l,3-Dichloropropene <1.0tran»-l,3-Dichloroprop«ne <1.0Kthylbenzene <1. o2-Hexanone <10Methyl ethyl ketone (HEX) <10Methyl isobutyl ketone (MIBK) <10Methylene chloride <101,1.2,2-Tetrachloroethane <1.0Tetrachloroethene <1.0Toluene <1.01.1.1-Trichloroethane <1.01.1.2-Trichloroethane <1.0Trichloroethene 3.6Trichlorofluoromethane <1.0

Unit*

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

PrepDate Batch

Analyzed Number

06/18/1936

07/01/199607/01/1S9607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/195607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

RunBatchNumber

135013SO135013501350135013SO13501350135013501350135013501350135013501350135013501350135013501350135013501350135013501350

Analysi:

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS- 824 OBS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

ReportingLimit

1.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.01.01.0

:-'.'- ' f..".'"-^".'.. -!•-•"-.«"•/.•,•-,






07/05/1996

Result ttait*

354023 MI-ID Rodwell Balaton

DateAnalyzed

06/18/199*

PrepBatchNumber

RunBatchNumber Analyai* Method

ReportingLimit

Vinyl chloride <2.0Xylene*. Total <1.01.2-Dichloroethane-d4 (Surr.) 106eehylbenzene-dlO (Surr.) 98.2Toluene-d8 (Surr.) 94.3

Ironofluorobenzene (Surr.) 86.7

ug/Log/L*

07/01/199607/01/199607/01/199607/01/199607/01/199607/01/1996

13SO13501350135013501350

S-8240BS-8240BS-8240B

S-B240BS-8240B

2.01.0

•5/J^v.i-.; *,:•'•'.•;'•*-**''.'->>«-"

WET NATIONALENVIRONMENTALTESTING, INC.


QUALITY CONTROL REPORTCONTINUING CALIBRATION VERIFICATION



07/05/1996

Analyte

Fluoride. distilledAmmonia Nitrogen (probe)Ammonia Nitrogen (probe)SulfateTotal Organic Carbon (TOC)ICP Metal* - SW-6010Magnesium, ICPMagnesium, ICPManganese. ICPManganese, ICPPotassium, ICPPotassium, ICPSodium, ICPSodium, ICPVOLATILE COMPOUNDSBenzeneChlorobenzene1.1-OichloroetheneEtbylbenzeneTolueneTrichloroetheneXylenes, Total1.2-Dichloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d6 (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzeneChlorobenzene1,l-DichloroetheneEthylbenzeneToluene

PrepBatchWumber

RunBatch

211489489223392732733733733733733733733733

2.55.05.02010.01.05.05.05.05.0SO.O50.0S.O5.0

13481348134813481348134813481348134813481348

13491349134913491349

5050SOSO.O5050ISO100100100100

50SOSOSO.O50

ccvTrue Concentration PercentConcentration Found Recovery

2.44 97.64.S 90.04.9 98.018.05 90.310.0 100.01.0 100.04.80 96.04.89 97.84.93 98.65.02 100.445.8 91.646.0 92.04.78 95.64.76 95.2

51.4 102.848.8 97.6S3.4 106.8SO.7 101.4SO.O 100.051.3 102.6154 102.7104 104.098.1 98.197.0 97.099.3 99.3

49.8 99.649.3 98.653.8 107.649.3 98.650.4 100.8

CCV - Continuing Calibration Verification



QUALITY CONTROL REPORTCONTINUING CALIBRATION VERIFICATION



07/05/1996

Analyte

TrichloroetheneXylenes. Total1.2-Dichloroethane-d4 (Surr.)Bthylbenzene-dlO (Surr.)Toluene-d8 (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzeneChlorobenzene1.1-DichloroetheneEChylbenzeneTolueneTrichloroetheneXylenei. Total1.2-Dichloroethane-d4 (Surr.)Bthylbenzene-dlO (Surr.)Toluene-d* (Surr.)4-Bromofluorobenzene (Surr.)


134913491349134913491349

1350135013501350135013501350135013SO13501350

CCVTrue ConcentrationConcentration Found

SO150100100100100

50505050.0SOSO150100100100100

51.115211110199.3102

52.650.646.848.9SO. 3SI.415182.898.096.4104

PercentRecovery

102.2101.3111.0101.099.3102.0

105.2101.293.697.8100.6102.8100.782.898.096.4104.0



<B> TESTING, INC.


QUALITY CONTROL REPORTBLANKS



07/05/1996

Analyte

Alkalinity. Total (CaC03)ChlorideCOO. Low LevelFluor ide, distilledHardness. Total (CaC03)Ammonia Nitrogen (probe)Solids. DissolvedSolids, SuspendedSulfateTotal Organic Carbon (TOC)Calcium. ICPIron. ICPMagnesium, ICPManganese. ICPPotassium, ICPSodium. ICPVOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBromoformBromomethan*

Prep RunBatch Batch BlankNumber Number Analyst*

794794794794794794

221488£402111994894041328223392733412733733733733

134813481348134813481348

<S.O<5.0<S.O<0.20<s.o<0.20

<S.O<S.O

<0.10

<0.010<2.0

<20<so

cl.O

units

mg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/L

ug/Lug/Lug/Lug/Lug/Lug/L

Advisory Control Limits for Blanks:Metals/Net Chemistry/ Conventionala/GC - all compounds should be less than the Reporting Limit.OC/MS - Semi-Volatiles - all compounds should be less than the Reporting Limit except for phthalates which should

be less than 5 times the reporting limit.Volatile* - Toluene, methylene chloride, acetone and chloroform should be less than 5 times the Reporting

Limit. All other volatile compounds should be less than the Reporting Limit.

NET NATIONALENVIRONMENTAL

|® TESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Fails, 1A 50613Tel: (319) 277-2401Fax: (319)277-2425




07/05/1996

Analyte

Carbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Oichloroethane1.2-Dichloroethane1.1-Oichloroethene:rans-l,2-Dichloroetheneci*-l,2-Dichloroethene1.2-Oichloropropanecis-1.3-Dichloropropenetrans-1,3-DichloropropeneEthylbenzene2-HexanoneMethyl ethyl ketone (MEK)Methyl iaobutyl ketone (MIBK)Methylene chloride1.1,2,2-TetrachloroethaneTetrachloroetheneToluene1,1,1-Trichloroethane

Prep RunBatch Batch BlankNumber Number Analy*i* Unit*

1348 <1.0 ug/L1348 <1.0 ug/L1348 <10 ug/1.1348 <1.0 ug/L1348 <10 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <10 ug/L13*8 <10 ug/L1348 <10 ug/L1348 <10 ug/L1348 <1.0 ' ug/L1348 <1.0 ug/L1348 <1.0 ug/L1348 <1.0 ug/L

Advisory Control Limit* for Blank*:Metal*/Het Chemistry/ Conventional*/QC - all compound* should be le«« than the Reporting Limit.GC/MS - Semi-Volatile* - all compound* should be lea* than the Reporting Limit except for phthalate* which «hould

be less than S time* the reporting limit.Volatile* - Toluene, methylene chloride, acetone and chloroform should be le** than 5 time* the Reporting

Limit. All other volatile compound* should be less than the Reporting Limit.






07/05/1996

Analyte

1.1,2-TrichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylenes, Total1.2-Dichloroethane-d4 (Surr.)Ethyl-benzene-dlO (Surr.)Toluene-dl (Surr.)4 -Biaaotluorobenzene (Surr.)VOLATILE COMPOUNDSAcetonetcrylonitrileBenzeneBroraodichloromethaneBromoformBroaomethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneOibroaechloroaethane1.1-Dichloroethane

Prep RunBatch Batch BlankNumber Number Analysis

134813*8134113411348134*134B13481348

<1.0<1.0<1.0<2.0<1.0107

93.893.089.9

1349134913491349134913491349134913491349134913491349

ug/Lug/Lug/Lug/Lug/1

<20<50<J.O

•cl.O

cl.O


Advisory Control Limits for Blank*:Metals/Het Chemistry/ Conventiona'ls/GC - »11 compound* should be less than the Reporting Limit.CC/MS * Semi-Volatile* - all compounds should be less than the Reporting Limit except for phthalates which should

be less than 5 times the reporting limit.Volatile* - Toluene, methylene chloride, acetone and chloroform should be less than 5 times the Reporting


NET NATIONALENVIRONMENTAL

[® TESTING, INC.

Cedar Falls Otvision704 Enterprise DriveCedar Falls, 1A 50613Tel: (319)277-2401Fax: (319) 277-2425




07/05/1996

Analyte

1,2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroetheneci«-1.2-Dichloroethene1.2-Dichloropropanecis-1.3-Dichloropropenetrans-1,3-DichloropropeneKthylbenzene2-RexanoneMethyl ethyl ketone (MBX)Methyl isobutyl ketone (MIBK)Methylene chloride1.1.2,2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-Tr ichloroethaneTrichloroetheneTrichlorofluoromethaneVinyl chlorideXylenes. Totall,2-Oichloroethane-d4 (Surr.)Zthylbenzene-dlO (Surr.)

Prep RunBatch BatchDumber Number

13491349134913491349134913491349134913491349134913491349134913491349134913491349134913491349

BlankAnalysis

<2.0

10495.0

Unit*


Advisory Control Limits for Blanks:Metals/Met Chemistry/ Conventionals/CC - all compound* should be less than the Reporting Limit.GC/MS - Semi-Volatile* - all compounds should be less than the Reporting Limit except for phthalates which should

be less than 5 times the reporting limit.Volatile* - Toluene, nethylene chloride, acetone and chloroform should be less than 5 times the Reporting

Limit. All other volatile compounds should be leas than the Reporting Limit.


® TESTING, INC.





07/05/1996

Analyte

Toluene-dS (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSAcetoneAcrylonitrileBenzeneBromodichloromethaneBromoformBromomethaneCarbon tetrachlorideChlorobenzeneChloroethaneChloroformChloromethaneDibromochloromethane1.1-Dichloroethane1.2-Dichloroethane1.1-Dichloroethenetrans-1,2-Dichloroethenecia-1.2-Diehloroethene1.2-Dichloropropanecis-1.3-Dichloropropenetran*-1,3-Dichloropropene


13491349

13501350135013501350135013501350135013501350135013501350135013501350135013501350

BlankAnalysis

94.097.1

<20<50

Unit*

51.0

cl.O

cl.O

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

Advisory Control Unit* for Blank*:Metals/Ket Chemiatry/ Conventionals/GC - all compound* should be le»« than the Reporting Limit.GC/MS - Semi-Volatile* - all compound* should be le»« than the Reporting Limit except for pbthalates which should

be leas than 5 times the reporting limit.Volatile* - Toluene, methylene chloride, acetone and chloroform should be le** than 5 time* the Reporting



® TESTING, INC.





07/05/1996

Analyte

Bthylbenzen*2-HexanoMMethyl ethyl ketone (HER)Methyl isobutyl ketone (MIBK)Methylene chloride1.1,2,2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trichloroethane1.1.2-TrichloroethaneTrichloroethene^richlorofluoroaethanejjyl chloride

Xylenes. Totall,2-Dichloroethane-d4 (Surr.)Bthylbenzene-dlO (Surr.)Toluene-dS (Surr.)4-Bromofluorobenzene (Surr.)

Prep RunBatch Batch BlankNumber Number Analysis Unit*

1350 <1.0 ug/L1350 <10 ug/L1350 <10 ug/L1350 <101350 <101350 <1.01350 <1.01350 <1.01350 <1.01350 <1.01350 <1.01350 <1.01350 <2.01350 <1.01350 71.21350 93.91350 92.41350 90.5

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

Advisory Control Limit* for Blanks:Metal»/Wet Chemistry/ Conventionala/GC - all compound* should be lea* than the Reporting Limit.OC/MS - Semi-Volatile* - all compound* should be le** than the Reporting Limit except for phthalate* which ahould

be leas than 5 time* the reporting limit.Volatile* - Toluene, methylene chloride, acetone and chloroform should be less than 5 tines the Reporting

Limit. All other volatile compounds should be less than the Reporting Limit.


® TESTING, INC.


QUALITY CONTROL REPORTMATRIX SPIKE/MATRIX SPIKE DUPLICATE



07/05/1996

Analyte

ChlorideCOO. tow LevelFluoride, distilledHardness. Total (CaC03>Ammonia Nitrogen (probe)SulfateSulfateTotal Organic Carbon (TOC)

1 Organic Carbon (TOC)Metal* - SN-6010

Calcium. ICPMagnesium. ICPManganeac, ICPPotassium. ICPSodium. ICP

PrepBatchNumber

794794794794794

RunBatchNumber

488640211199489223223392392732733733733733733

MatrixSpikeResult

76.322.705.0T709.0192289036.7

8620.81.0042888

SampleResult

5215<0.203100.351001.80024.5.<1.0Complet83180.02723«3

SpikeAmount

24.9• .335.050010100100010.0

2.02.01.0004.03.0

Units

mg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/L

PercentRecovery

97.692.4100.092.086.592.0109.0122.0

150.0140.097.7125.0166.7

MSDResult

75.622.445.07809.4192289034.7

8720.91.0152887

MSDSpikeAmount

24.98.335.050010100100010.0

2.02.01.0004.03.0

Units

mg/L»g/Lmg/Lmg/Lmg/Lmg/L»g/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/Lmg/L

PercentRecovery

94.889.3100.094.090.592.0109.0102.0

200.0145.098.8125.0133.3

MS/MSDRPD

2.93.40.02.24.50.00.017.9

28.63.51.10.022.3

HOTS: Matrix Spike Samples nay not be samples from this job.

Advisory Control Limits for MS/MSDsInorganic Parameters and GC Volatile*The spike recovery should be 75 --125% if the spike added value was greater than or equal to one fourth of the sampleresult value. If not. the control limits are not established. The RPD for the MS/USD pair should be less than 20.

RPD - Relative Percent Difference

NATION Al Cedar Falls DivisionIMAM IWIM/AL. 704 Enterprise DriveENVIRONMENTAL Cedar Falls. IA 50613

IMP Tel (319)2772401INU. Fax: (319)2772425

QUALITY CONTROL REPORTDUPLICATES

ROCKWELL INTERNATIONAL 07/05/1996133-111 Mail Station400 Collins Road NECedar Rapids, IA 52498Chuck Hallier


Prep RunBatch Batch Original Duplicate

Analyte Jtunber Mustier Analysis Analysis Units RPD

Solids. Dissolved 404 630 £40 mg/L l.CSolids. Dissolved 404 480 480 mg/L 0.0Solids. Suspended 1328 290 300 mg/L 3.4Solids, Suspended 1328 1,000 1,100 mg/L 9.5

MOTE: Spikes and Duplicates may not be samples from this job.

RPD - Relative Percent Difference

Advisory Control Limits for Duplicates - RPD should be less than 20.


® TESTING, INC.





Analyte

Alkalinity. Total (CaC03)COO. Low LevelSolids. DissolvedSolids. SuspendedCalcium, ICPIron. ICPMagnesium, ICPManganese. ICPPotassium, ICPSodium, ICPVOLATILE COMPOUNDSBenzeneChlorobenzene1.1-DichloroetheneEthylbenzeneTolueneTrichloroetheneXylenes, Total1.2-Dichloroethane-d4 (Surr.)Bthylbenzene-dlO (Surr.)Toluene-da (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzene

07/05/1996

PrepBatchNumber

794794794794794794

RunBatchNumber

221640404132*733412733733733733

13481348134813481348134113481348134813481348


114SO10001002.02.002.01-04.03.24

20202020202060100100100100

LCS* Recovery

100.982.493.8100.098.098.0103. S99.0102.8100.0

102.0103. S120.5101.599.0101.0103.2104.097.595.296.9

1348 20 99.5

LCS * Laboratory Control Standard

Advisory Control Limit* - Inorganics - LCS recovery should be 80 - 120%.


® TESTING, INC.

Cedar Falls DMslon704 Enterprise DriveCedar Falls, tA 50613Tel: (319)277-2401Fax: (319)277-2425




07/05/1996

Analyte

Chlorobenzene1.1-DichloroetheneEthylbenzeneTolueneTrichloroetheneXylene*. Total1.2-Dichloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d8 (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzeneChlorobenzene1.1-DichloroetheneEthylbenzeneTolueneTrichloroetheneXylenes. Total1.2-Dichloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d* (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzene

PrepBatchNumber

RunBatchNumber

1341134«13481348134813481348134813481341

13491349134913491349134913491349134913491349


2020202O2060100100100100

20202020202060100 ,100100100

LCS% Recovery

101. S109.099.534.097. S102.7103.098.296.398.2

97. S95.5105. S95.594.098.098.3106.096.997.0101.0

1349 20 92.5


Advisory Control Limit* - Inorganic* - LCS recovery ihould be 80 - 120%.


® TESTING, INC.

Cedar Falls Division704 Enterprise DriveCedar Falls. !A 50613Tel: (319) 277-2401Fax: (319)277-2425




Analyte

Chlorobenzene1.1-DichloroetheneBthylbenzeneTolueneTrichloroetheneXylenes. Total1.2-Dichloroethane-d4 (Surr.)Bthylbenzene-dlO (Surr.)Toluene-da (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzeneChlorobenzene1.1-DichloroetheneKthylbenzeneTolueneTrichloroetheneXylenes. Total1.2-Oichloroethane-d4 (Surr.)Bthylbenzene-dlO (Surr.)Toluene-d8 (Surr.)4-Bromofluorobenzene (Surr.)VOLATILE COMPOUNDSBenzene

07/05/1996

PrepBatchNumber

RunBatchNumber

1349134»134*1349134913491349134913491349

13501350135013501350135013501350135013501350


2020202020CO100100100100

202020202020SO100100100100

us% Recovery

95.5100.592.093.592. 594.3106.098.599.196.4

98.510S.O93.5107.0109.59S.5105.380.698.3105.0101.0

13SO 20 102.0


Advisory Control Limits - Inorganics - LCS recovery should be 80 - 120%.


Company: _Send Report To: _

Address: _City/State/Zip Code: _Telephone Number: _

Sampled By: (Print Name) _______(Signature) ______

NET, Inc. - Cedar Ft division704 Enterprise DriveCedar Falls, IA 50613

PhoneFAX

PO #: _Invoice to:

"NET Quote #:

319-277-2401 or 1 -800319-277-2425

,0-24P1

Project Name:Fax:

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milNATIONALENVIRONMENTALTESTING, INC.

Company: _Send Report To: _

Address: _City/State/Zip Code: _Telephone Number:

Sampled By: (Print Name)

NET, Inc adar Falls Division704 Enterprise DriveCedar Falls, IA 50613

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DATE TAKEN:

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Cooler #1: C / ON ICE Cooler #3: C / ON ICE

Cooler #2: C / ON ICE Cooler #4: °C / ON ICE

Increased emphasis has been put on sample preservation by the various regulators. Any sample being sentto NET must be property preserved, this includes sending samples in a properly cooled shipping container.The majority of tests performed for regulatory compliance must be preserved at 4° C ±_ 2° C during storageand shipment as directed by 40 CFR Part 136. Results from samples which are not properly preserved at4 °C + 2 ° C may be rejected by regulators. Rejection or acceptance Is solely at the discretion of theregulators.

10: AH COT 07/10/38 319 277 Page B S|

ANALYTICAL REPORT

Chuck HallierROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapids, IA 52498

07/10/1996



Sample ID: MW-3A Rockwell Ralston Site


Analyte ResultJtesuU Date

*m*tt

Date Received: 07/03/1996

MethodReporting

Halt

VOLATILE COMPOUNDSAcetoiwAcrylonltrneBenzeneBrondl chl oroMBthaneBranfoniBroKMtnaneCarbon tetrachlorid*ChlorobenzeneChloroethaneChlorofoniChloroaethaneD1 bronchi orowthane1.1-Ofchlaroethane1.2-01chloroettune1.1-Dlchloroetnenetrans -1.2-01 chl oroethenec1s-1.2-D1ctiloroetnene1.2-D1chloroppopaneds-1.3-0lch1ontrans-1.3-D1chloropropeneEtHylbenzene

<200<soo<10<10<10<00<10<10<100<10<100<1025.6<1040060.332.300<10<10<10<10

UB/LUB/Lug/LUB/Lug/LUB/Luo/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/L

cMctadctadCMctadctadCMctadctadCMctadctadCMctadctadCMCtaddadCMctaddnd

07/08/199607/06/199607/06/199607/08/199607/06/199607/06/199607/08/199607/06/199607/06/199607/08/199607/06/199607/06/199607/08/199607/06/199607/06/199607/08/199607/06/199607/06/199607/08/199607/06/199607/06/1996

S-82408$-62408S-6240BS -82408S-82408$-82408S-B240B$-62408$-62408S-8240B$-62408S-6240BS -82408$-62408$-62408S-8240BS-62408$-82408S -82408$-82408S-8240B

20601.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0

R . L . BindertOperations Manager

JUL 10 '95 10=25 Net Inc - Cedar Fal PAGE.008

10: 2«* AH COT 07/10/38 319 277 «*1S1 Pags a si

ANALYTICAL REPORT


07/10/1996



Sample ID: MW-3A Rockwell Raleton. Site


AnalYte


Result Oat*Uilti Hag Analyst Method

ReportingHalt

2-Hexanone <100 ug/LHethyl ethyl ketone (ICIC) <100 ug/LMethyl Isotwtyl ketont (MIBK) <100 ug/LMetftylene chloride <100 U0/Ll.l.Z.Z-TetrachloroettMne <10 ug/LTetrachloroethene <10 ug/LTolucn* <10 ug/L1.1.1-Trlchloroethane 13.1 ug/L1.1.2-Trlchloroetham <10 uo/LTrlctilorxwttMM 9.000 ug/LTrlcMoronuaraKthwM <10 ug/LVinyl chloride 2.320 ug/LXylenes. Total <10 ug/L

<tad(taJdvl<tad(MoM(tad<tt(tadoMd*ddtf(tad

07/M/1W607/OB/199607/06/19M07/067199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/1996

S-8240BS-B240BS-8240BS-8240BS -82406$-82408S-8240BS -82408S-8240BS -82408S-BZ40BS-8240BS- 82406

10101010i.i.i.i.i.i.i.2.1.


JLJL 10 '96 10:26 Net Inc - Cedar Fal PftGE.009

10: 24 AH COT O7/1O/98 318 277 Paga SI

AHALYTICAL REPORT


07/10/1996

NET Job NUmber: 96.08410


Sample ID: MW-3B Rockwell Raleton Site


Analvt*


Result Oat*Urtts Q* Analyst

ReportingL1«1t

VOLATILE COHWNDSAcetone <SO ug/LAcrylonltrll* <50 ug/LBenzem 9.9 ug/LBronDdlchloroKthane <1.0 ug/LBrcHOfora <1,0 ug/LBroooMthan* <10 ug/LCarbon tetrachlorlde <1.0 ug/LChlorcbenzene <1.0 ug/LChlorwtham <10 ug/LChlorofom <1.0 ug/LChloraBethan* <10 ug/LDlbroBochloroMtham <1.0 ug/L1.1-Wchloroethane <1.0 ug/L1.2-D1ch1oroethaM <1.0 ug/L1.1-D1chloro«th«ne 117 ug/Ltrans-1.2-01chloroethene'. 9.0 ug/Lc1s-1.2-OTcnloroethene 3.340 ug/L1.2-Olchloropropant <1.0 ug/Lc1s-l.3-D1chlorcprepene <1.0 ug/Ltrans-1.3-0tchloropropefw <1.0 ug/L

<1.0 ug/L

<M(tad<kd<kd(tad(tad(M<tad(tad<1M(taddad(tad<tad(tad(tab(tad(tad<tad(tad(tad

07/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/10/199607/09/199607/09/199607/09/199607/09/1996

S-8240BS-J240BS-«2406S-8240BS-8240BS-6240BS -82406S-82«B3-82406S-BZ40B$-82408S-6240BS-8240BS-8240BS-8240BS-8240BS-8240BS-6240BS -82406S -82408S-8240B

20901.01.01.0101.01.0101.0101.0i.o1.01.0i.o1.01.01.01.01.0

D - This analyte MBS diluted for analysis


JUL 10 '96 10:23 Net Inc - Cedar F«l PAGE.004

10: 2t AH COT 07/10/9S 319 277 Page SI

ANALYTICAL REPORT

Chuck Hal HerROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapide, IA 52498

07/10/1996



Sample ID: MW-3B Rockwell Ralston Site


Analvto ResultResult Datenao Analyst Anal wad

ReportingHalt

2-HtxanontHethyl ethyl ketone (fCK)Methyl IsobMtyl kttorw (MIBK)Hrtfcylww chlortdt1.1.2. Z-TetrachloroethwwTatradil oroettMMTolMM1.1.1-Trlchloroethine1.1.2-TrlchloroethaneTrlchlortwtlMntTrlchloronuoroMthaneVinyl cnlorld*Xyl«Mtt. Total

<10<10<10<10<1.0<1.0<1.0<1.0<1.0562<1.01.300<1.0

UB/LUg/L

UB/LUB/LUB/LUB«.UB/LUB/LUB/LUB/L DUB/LUJ/L 0UB/L

(tad<kd(tad(tad(M(tad(taditad(tad(tad(M

, (tad(tad

07/09/199607/09/199607/09/199007/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/10/199607/09/199607/10/199607/09/1996

$-62408S -82406S-6240BS-6240BS-8240BS-6240BS-8240BS-8240BS-6240B$-62406S-8240BS-«240BS-6240B

101010101.1.1.1.1.1.1.2.1.

0 - This analyt* MBS diluted for analysis

JUL 10 '96 10!24


Net Inc - Cedar Fal PAGE.065

10: 21 AH COT 07/10/98 319 277 Pago Bl

ANALYTICAL REPORT


07/10/1996



Sample ID: MW-3D Rockwell Ralston Site


Analyt*teaflt


DateAnalyzed Method

ReportingUnit

VOLATILE caromsAcetoneAcrylonltrlltBenzeneBranflchlorcBstfujnBBroHOforaBrcoawthaneCarbon tetrachlorldeCtilorobenzen*CtiloroethamOilarofomCnloraBftham01 broBocW orowtham1.1-Olehloroethane1.2-D1ctilorotthant1.1-Mchloroethenetr«u-1.2-D1chloroethene \c1s-1.2-D1chloroethent1.2-Plchloropropantc1s-l.3-D1ch1oraprapenetrans-1.3-D1ch1oropropeiwEthy!benzene

<soUB/LUB/LUB/LUB/L«B/LUB/LUB/LUB/L

UB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/LUB/L

<Mdaddad(taddad<kd<tadd*d(tad(tad<tad<tad(tad(taddaddad(tad(tad(taddaddad

07/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/1996

S-82406$-82400S-8240BS -82408$-82406$-82400S-8240BS-82400S-82400S-8240BS-82400S-82400S -82408S-82400S-82400S-8240BS-82400S-82400S -82408S-82400S-82400

20601.1.1.101.1.101.010

.0

.0

.0

.0

.0

.01.01.01.01.0


JUL 10 '96 10:22 Net Inc - Cedar Fal PAGE.002

10: 2«* AH COT 07/io/aa 319 277 Paga II

AZOLYTICAL REPORT


07/10/1996



Sample ID: MW-3D Rockwell Ralston Site


AnalvUtesilt Date

tesult ttrtts Flap fmlyst Analyzed HrttiodReporting

Unit

2-ttexanon*Methyl ethyl ketorw (MEK)Hettiyl Isobrtyl ketom (HIBK)N«tnyl<m eWorld*1.1.2.2-TfltrKlilareetlHiMTetracfiloroettMMToluem1.1.1-TrlchloroothMe1.1.2-TrldiloroettuneTrlchlorottlMrwTrtchlorafluoraMthineVinyl chlorMtXy1«ws. Total

<10<10<10<10<1.0<1.0<1.0<1.0<i.o<1.0<i.t<.o<1.0

ug/Lug/Lug/Lug/Lug/Lug/L«g/Lug/Lug/Lug/Ltfg/Lug/Lug/L

(tad

(W(W

(M

(M

07/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/1996

S-8240BS-82408S-82406S-8240BS-82408S-8240BS-8240BS-82406S-82406S-8240BS-82408S-8240BS-8240B

101010101.01.01.01.01.01.01.02.01.0


JUL 10 '96 10:22 Net Inc - Cedar PAGE.003

10:21 AH COT 07/10/38 319 277 "US'* Page 8 SI

ANALYTICAL REPORT

Chuck HallierROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapida, IA 52498

07/10/1996



Sample ID: MW-3E Rockwell Ralston Site


Analvtt


Result DattResult Urtts ftm Analyst Analyzed Method

ReportingHalt

VOLATILE COTOUNDSAcetoneAcrylonltrlleB«nztntBrCHDdl Cm OTOntfUM

BroanforarBrcuLaettiamCarbon tetrachlorid*ChlorobenzentChlonwthantOilorofoniChloraaethant01 bronchi oroawttiam1.1-DlcMoroethane1.2-D1diloroetham1.1-Dlchlorwthemtran3-1.2-D1ch1oroethcn«'.c1s-1.2-D1cti1oroethent1.2-D1cM oropropan*cl3-1.3-D1ch1oropropenetrans-1.3-D1ch1oropropem

<20 ug/Lug/Lug/Lug/Lug/Lug/Log/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L•g/Log/Lug/Lug/Lug/Lug/Lug/L

(tadfeddad<Mdaddad(taddaddad<taddaddad(taddaddiddaddaddad(taddaddad

07/08/199607/08/199607/04/199607/04/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/1996

S-8240BS-8240BS-8240BS -82408S -82406S-8240BS-8Z40BS-8240BS-82406S-B240BS -82406S-8240BS-8240BS-8240BS-82406S -82408S-82406S-82406S-8Z40BS-82406S-8240B

20901.01.01.0101.01.010i.o101.01.0i.oi.oi.o1.01.01.01.0i.o


JUL 10 '96 10:24 Net Inc - Cedar Fal PPGE.006

10: 2«* AH COT 07/10/9B 319 277 Paga 81

ANALYTICAL REPORT


07/10/1996



Sample ID: MW-3E Rockwell Ralston Site


AnalyUResult Date

Result ttrtts Flan Analyst AnalyzedReporting

L1att

2-ltounont <10 ug/LMethyl ethyl kotow OCR) <10 ug/LMethyl Isobutyi ketom (HIBK) <10 ug/LH«ttiyl«w chlorldt <10 ug/L1.1.2.2-T«trach1oroethane <1.0 ug/LTetradtloroettwnt <1.0 ug/LToluem <1.0 ug/L1.1.1-Trlchloroethane <1.0 iig/L1.1.2-Trlchlorwthane <1.0 «g/LTrtchlorovttMM <1,0 ug/LTrlchlorofluoravthvta <1.0 ug/LVln/1 chlorld* <2.0 ug/Lxyitms. Total <1.0 ug/L

<M<Mdd(W(tad<WCM<M(tad<tad<M<W<tad

07/08/199607/08/199607/08/19M07/06/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/1996

S-6240BS -82408S-8240B :S-8240B ]S-82408 ]S-8240B 1S-82408S-8240BS-82406S-82408S-0240BS -82406 '4S-8240B ]

LOLO10LOL.OL.O.0.

,

,

,

;t

L.

JUL 10 '96 10'25


Net Inc - Cedar Fal PftGE.007

10: 2<* AH COT 07/10/SS 319 277 Paga 12

ANALYTICAL REPORT


07/10/1996



Sample ID: MW-4A Rockwell Ralston Site


Result Date ReportingResult Uilts Hag Analyst Analyzed Method Halt

VOLATILE caromsBenzene <1.0 ug/L1.1-Dlchloroethent <1.0 uo/Ltrans-1.2-D1cttlor<MfttMnt <1.0 ug/Lcl3-1.2-t>1ch1ororthene 1.2 vg/LTvtrachloroethent <l.t ug/lToluent <1.0 ug/LTrlchloroethene <1.0 ug/LVinyl chloride <2,0 ug/L

(tad(tad(M<tad

07/08/199607/04/199607/OA/199607/08/199607/06/199607/0«/199607/08/199607/08/1996

S-8240BS-«2«8S-8240BS -82406

S-8240BS-8240BS-82408

1.01.01.1.1.1.

2.0

JUL 10 '96 10:28


Net Inc - Cedar Fal PAGE.012

10:21 AH COT 07/10/98 310 277 Page 10

AKALYTZCAL SEPOET


07/10/1996



Sample ID: MW-4B Rockwell Ralston Site


AnaTrteResult Date

Basalt Uilts Flan Analyst Analyzed HplhodReporting

Halt

VOLATILE CONOIDSBenzene <1.01.1-DIOiloroethene <1.0trejts-1.2-D1chloroett>ene <1.0c1s-l.2-D1ch1oroetliene <1.0Tetradiloroettwne <1.0Toluene <1.0Trlchloroethene <1.0Vinyl chloride «.0

UB/LUB/LUB/LUB/LUB/LUB/Lug/L

dvl(M

07/04/199607/04/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/1996

S-82408S-8240BS-8240BS-82408S-82406S-82408S-8Z40BS-8240B

1.1.1.1.1.1.1.2.0


JUL 10 '96 10'27 Net Inc - Cedar Fal PAGE.010

10: 2<* AH COT 07/10/98 319 277 Page 11

ANALYTICAL REPORT


07/10/1996



Sample ID: MW-4C Rockwell Ralston Site


AnalyteResult

Beait units QJQData

toalosd Hstt&dReporting

n«it

VOLATILE COfOUNDSBenzene <1.0 ug/L1.1-Dlchloroathena <1.0 ug/Ltrans-1.2-D1chloro«then» <1.0 uo/Lc1s-l.2-mchlorocth«oe <1.0 ug/LTetradiloroethena <1.0 ug/LToluana <1.0 ug/LTMchloroethene <1.0 ug/LVinyl chloride <.0 ug/L

<M(tad(tad(tad(tad<*ri(tad

07/00/199607/0«/199607/0«/199607/08/199607/08/19M07/0671M607/OA/199607/08/1996

S-8240BS-82W6S-82406S-8Z40BS-82408S-8240BS-8Z40BS-82«6

1.01.01.01.01.01.01.02.0


JUL 10 '96 IB'27 Net Inc - Cedar Fal PAGE.011

10: 2** AH COT 07/10/98 319 277 Paga 13 si


ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapids, IA 52496Chuck Hallier

07/10/1996


Enclosed is the Quality Control data for the following samplessubmitted to MET Midwest. Inc. - Cedar Falls for analysis:

SampleNumber Sample Description

355921 MW-3D Rockwell Ralston Site355922 MW-3B Rockwell Ralston Site355923 MW-3E Rockwell Ralston Site355924 MW-3A Rockwell Ralston Site355925 MW-4B Rockwell Ralston Site355926 MW-4C Rockwell Ralston Site355927 MW-4A Rockwell Ralston Site

DateTaken

07/02/199607/02/199607/02/199607/02/199607/02/199607/02/199607/02/1996

DateReceived

07/03/199607/03/199607/03/199607/03/199607/03/199607/03/199607/03/1996

This Quality Control report is generated on a batch basis. Allinformation contained in this report is for the analytical batch(es)in which your sample(s) were analyzed.

JUL 10 '96 10:28 Net Inc - Cedar Fal PflGE.013

20: 2*t AH COT 07/10/38 319 277 mat Page si


ROCKWELL INTERNATIONAL133-111 Mail Station400 Collina Road NECedar Rapids, IA 52498Chuck Hallier


07/10/1996

Result

355921 W-30 Rockwell Ralston Site

VOLATILE COMPOUNDSAcetoneAcrylonltrlleB«nz<mBrontfl chl oronethaneBroaofor*BroocnethaneCarbon tatracalorldeChlorobenzeneChloroethaneChlorofomChloronethane01 bronchiorawthane1.1-OTchloroethane1.2-D1chloro«thant1.1-Wchloroethenetrans-1.2-D1ch1oroethenec1s-1.2-D1chloroethene1.2-01ch1oropropanec1s-l.3-D1chloropropeiietrans-1.3-D1chloropropeneEthylbenzene2-HexanoneMethyl ethyl ketone (ICK)Hethyl Isobutyl ketone (MIBK)Meth/l«n« chloride1.1.2.2-Tetrachl oroethaneTetrachloroethaneToluene1.1.1-Trlchloroethane

Prep RjnDate Batch Batch

Uhlts Analyzed Nurtwr NuAer Analysis Method

07/02/1996

ReportingL1«lt

<20•<«<.o<1.0<1.P<W<a.o<1.0<10<1.0<10<1.0•c.o<1.0<1.0<1.0<.o<1.0<a.o<1.0<1.0<10<0<10<10<1.0<.o<1.0<1.0

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

07/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/1M607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/067199607/06/199807/067199607/06/199607/067199607/06/199607/06/199607/06/1996

1354135413S4135419S41*4136413541*5413541354135413541354135413541354135413541354135413541354195413541354135413541354

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-B2406S-8240DS-6240BS-8240BS-8240BS-8240BS-8240BS-«240BS-8240BS-S240BS-8240BS-8240BS-8240BS-8240BS-6240BS-8240BS-6240BS-8240BS -82408S-6240BS-8240BS-8240BS-6240B

20501.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.0


10: Zt AH COT 07/10/98 319 277 Page 15 SI


ROCKWELL INTERNATIONAL133-111 Mail Station400 Collins Road NECedar Rapids. IA 52498Chuck Halliar


07/10/1996

Result

355921 m-3D Rockwell Ralston Site

l.l,2-Trlchloro«ttuneTrlchloroetheoeTrlchl orofl uoroMthamVinyl chloridelylanes. Total1.2-D1chloroethane-d4 (Surr.)Ethy1benz«w-<J10 (Surr.)Toluene-dB (Surr.)4-BraK>nuorobenzen« (Surr.)

355922 W-3B Rocball Ralston Site

VOLATILE CCWOMDSAcetone <20Acrylonltrllt «»Bwuen* 9.4BraBxflchloroMthane '. <1.0BroBOfor* <1.0BroaonettUM <10Cartoon tetrachloride <1.0Chlorobenzene <1.0Chlororthane <10Chlorofone <1.0Chloronethane <10DlbroaxhloroMthaM <1.01.1-Dlchloroethane <1.01.2-01chloroeUune <1.01.1-Dlchlororthen* 117trans-1.2-01chloroethcn« 9.0c1s-l.2-mchloroethene 3.340

Pr«p RunDate Batch Batch

Whits Analyzed Nurtwr Mu*er Analysis Method

07/02/1996

<1.<1.<1.<2.<1.10997.3K.t66.(

ug/Lug/Lug/Lug/LUQ/LS

L S\ K1 S

07/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/199607/06/1996

135413541K41*413541*41*413541*4

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

S-8240BS-8240B

07/02/1996


07/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/10/1996

135613961*613561*61*613561*61*613561*61*613561*61*613561*6

S-8240BS-8240BS-8240BS-8240BS-8240BS -82408S-8240BS-8240BS-82408S-B240BS-82406S-8240BS-8240BS -82406S-8240BS-8240BS-8240B

ReportingL1«1t

1.01.01.02.01.0

20601.01.01.0101.01.0101.0101.01.01.01.01.01.0


10: 21 AH COT 07/10/38 319 277 mat Page 16 81


ROCKWELL INTERNATIONAL133-111 Mail Station400 Collins Road NECedar Rapida, IA 52498Chuck Hallier


07/10/1996

Result

355922 W-3B RodHBll Ralston Site

1.2-D1ch1orcpropaneds-1.3-D1ch1oroprop •d.otrans-1.3-D1chloropropeneEthyl benzene2-HexanoneMethyl ethyl ketone (MOOMethyl Isobutyl Intone (HIBK)Nethylene chloride1.1.2.2-TetrachloroeUiamTetrachl oroetheneToluene1.1.1-Trlchloroethane1.1.2-TrlchloroethaneTrlchloroetheneTrlctilorofluoroBBthantVinyl chlorideX/lenes. Total1.2-D1chloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d8 (Surr.)4-Bronorluorobenzene (Surr.)

•CO<i,o<i.o<a.o

562

1,300

11110299.291.0

356923 W-3E RockMBll Ralston Site

VOLATILE COfOJOSAcetoneAcrylonltrtleBenzeneBrtnodl chl oronethaneBroeofora

<20

<1.0

Pr«p RunData Bate* Batch

UMts tertyzwl Nuiber Nurter Analysis Method

07/02/1996

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Log/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/LSSS

*


07/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/09/199607/99/199607/09/199607/09/199607/09/199607/09/199607/10/199607/09/199607/10/199607/09/199607/09/199607/09/199607/09/199607/09/1996

07/02/1996

07/08/199607/08/199607/08/199607/08/199607/08/1996

195613561956195613561956195613561956195613561956195613561956195613561956195613561956

13561959195913561959

S-8240BS-8240BS-8240BS-82408S -82406S-8240BS-8240BS-82408S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS -82406S-8240B

S -82408S-8240B

S -82406S-8240BS -82406S -82408S -82406

ReportingLlBlt

1.01.01.01.0101010101.01.01.1.1.1.1.2.1.

20901.01.01.0

JUL 10 '96 10*30 Net Inc - Cedar Fal PAGE.016

10: 21 AH COT 07/10/98 319 277 Paga 17 g|




07/10/1996

teflflt

355923 HW-3E Rocb*11 Ralston Site

Prep tanOat* Batch Batch

Uhlts Analyzed Nwfcer Iknter Analysis Method

07/02/1996

ReportingUBlt

BrcoonethaneCartoon tetrachlorfdeOilorobenzeneChloroethaneChloroformCtilorowthamDlbroBOChloraiethane1.1-tHchloroethanfl1.2-D1chloroethane1.1-Dlchloroethenetrans-1.2-D1ch1oroethenec1s-l.2-D1ch1oroethene1.2-Dlchloropropaotcls-1.3-0lchlontrans -1.3-Dldil oropropemEthylbeiuene2-HexOToneMethyl ethyl ketone (MDOMethyl Isobutyl ketone (HIBK)Methylera chloride1.1.2.2-TetrachloroethaneTetrachloroetheneToltMfM

1.1.1-Trlchloroethane1.1.2-Trlchloroethan*TrichloroetheneTrl chl orofl uoronethamVinyl chloride1y1en«s. Total1.2-D1chloroethane-d4 (Surr.)

<0<1.0<1.0<10<!-•<10<1.0<1.0<.o<.o<1.0<.o<.p<a.o<1.0<1.0<10<10<10<10<.o<1.0<1.0<1.0<1.0<1.0<1.0<2.0<1.0106

ug/Lug/Lug/Lug/LBO/L

ug/lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L1

07/M/1M607/08/199607/08/199607/08/199607/08/1996f7/«/19M07/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/087199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/1996

19951365135619*13K1395139513551395139513651395139513551395139513551395139513561395139513661395135513661395139513661395

S-82408S-8240BS-6240BS-6240BS-82408S-82408S-8240BS-8240BS-82400S-82406S-8240BS-82408S-8240BS-82408S-82408S-8240BS-82408S-82408S -82406S -82406S-8240BS-82408S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240B

101.01.0101.0101.01.01.01.01.01.01.01.01.01.0101010101.01.01.01.01.01.01.02.01.0

JUL 10 '96 10:31 Net Inc - Cedar Fal PftGE.017

10: Zt AH COT 07/10/38 319 277 Pagg 18 II




07/10/1996

Result

355923 W-3E Rockwell Ralston Site

Eth/lbenzene-dlO (Surr.) 101Toluene-dS (Surr.) 97.44-BroHDfluorobenzene (Surr.) 87.4

356924 W-M Rockwell Ralston Site

VOLATILE COfOUNDSteetoneAcrylonltrlleBenzeneBrantl chl oroaethaneBroaofor*BroaoaethaneCarbon tetrachlorldeChlorobenzeneChloroethaneChloroformChloroaethaneDtbronochloroaetnane1.1-tXchloroethane1.2-D1chloroethane1.1-D1ch1oroethenetraru-1.2-Mchloroethenec1s-l.2-D1chloroethene1.2-D1chloropropanec1s-l.3-D1ch1oroprapenetrans-1.9-D1ch1oropropeneEth/1 benzene2-HexanoneMethyl ethyl ketone (NEK)

RunBatck Batch

Uhlts Analyzed Hater Nufter Analysis Method

07/02/1996

ReportingL1«1t

0500

<100

<100•CO<100<1025.6<1040060.332.900

<0<100<100

tIs

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/L

07/08/190607/08/199607/08/1996

07/02/1996

07/00/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/0&V199607/08/199607/08/199607/08/199607/08/1996

139513551395

1366199519951355199519951356199519951355199519951366199519951356199519951355199519%13551999

S-B240BS-62400

S-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-6240BS-B240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS-8240BS -82*06S-8240B

20901.01.01.0101.01.0101.0101.01.01.01.01.01.01.01.01.01.01010

JUL IB '96 10;31 Net Inc - Cedar Fal PAGE.018

10: 2<* AH COT 07/10/98 319 277 Page 19 SI

QUALITY1 CONTROL REPORT

ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapids, IA 52498Chuck Hal Her


07/10/1996

Result

366924 W-3A RockMll Ralston Site

Isotutyl ketone (MIBK)Heth/lene chloride1.1.2.2-TrtracnloroethaneTrtracnlororthaneToluene1.1.1-Trlchloroethane1.1.2-TrlchloroethaiwTrl chloroetheneTrl chl opofl uorooethaneVinyl chlorideI/I ones. Total1.2-D1chloroethane-<M (Surr.)Ethylbenzene-dlO (Surr.)Toluene-da (Surr.)4-Branfluorobenzene (Surr.)

355825 W-4B Rockwell Ralston Site

VOLATILE COfOLWSBenzene1.1-Dlchloroetheoetrans -1,2-D1chl oroettwnec1s-l.2-01chloroetheneTetrachloroethaneTolueneTrlchloroetheneVinyl chloride1.2-D1chloroethan«-<M (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d8 (Surr.)

Prep RunDate Batch Batch

Uilts ftnlyzed fcater Nufter

07/02/1996

07/02/1996

Analysis Method

<100<100<10<10•4013.1<06.000<102.S2D<10106101102se.9

ug/Lug/Lug/LugA«B/Lug/Lug/Lug/Lug/Lug/Lug/LSSIS

07/06V19M07/08/199607/06/199607/00/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/1996

19951366\9K19951366139513951356139513K13561395139513551395

S -82408S -82408S-8240BS-8240BS-8240B3-82408S-8240BS -82408S-8240BS-8240BS-8240B$-82406

S -82408S-8240B

<1.0<1.0<1.0<.o<1.0<.o<a.o<2.0112101101

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/LSSS

07/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/08/199607/087199607/08/199607/08/1996

13661395139513661395139513561395139513561395

S-8240BS -82408S-8240BS-8240BS-8240BS-8240BS -82408S-8240BS -82408

S-82406

ReportingL1*1t

10101.01.01.01.01.01.01.02.01.0

1.01.01.01.01.01.01.02.0


10: 24 AH COT 07/10/38 277 Page 20 at


ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapida, IA 52498Chuck Halliar


07/10/1996

Result

355926 W-4B Rockwell Ralston Site

4-Broaofluorobenzen* (Surr.) 69.6

355926 NMC RodoBll Ralston Sit*

VOLATILE CGPFONOSBenzene1.1-Dlchloroethenetran5-1.2-01chloroeth«nec1s-l.2-D1ch1oroethemTetrachl oroetheneTolueneTrlchloroetheneVinyl chloride1.2-D1chloroethane-<M (Surr.)Ethylbenzene-dlO (Surr.)Toluene-dS (Surr.)4-BroMofluorabenzene (Surr.)

995927 »«-4A Rockwll Ralston Site

VOLATILE COrFOMDSBenzenel.l-Olchloroethenetrans - 1 . 2-D1chl oroethentc1s-l.2-D1chloroethene

TolueneTrlchloroetheneVinyl chloride1.2-D1chloroethane-d4 (Surr.)

Prep RunBatch Batch

Units Analyzed Hater Nunber Analysis Method

07/02/1996

07/0671996

07/02/1996

07/02/1996

<1.0<1.0<1.01.2<1 0<1.0^1 0^2 0108

ug/Lug/Lug/Lug/LllO/lug/Lug/Lug/LS

07/06/199607/08/199607/06/199607/06/199607/OA/199A07/06/199607/06/199607/08/199607/06/1996

1395 S-8240B

<l.<1.•a.<l.<i.<i.<i.<.ill99.95.06.

) UQ/LI ug/L

ug/Lua/LBOAug/Lug/Lug/Lsssf

07/06/199607/06/199607SOB/199607/06/199607/06/199607/08/199607/06/199607/08/199607/06/199607/06/199607/06/199607/06/1996

139519951355135513951356139519951366139519951356

S-6240BS-6240BS-8240BS-6240BS-6240BS-8240BS-6240BS-6240BS-62406

S-6240BS -82408

1395135613551395l.W1395135513661395

S-8240BS-8240BS-8240B

S-W40RS-8240BS-8240BS-8240BS-6240B

ReportingLlBlt

1.01.01.01.01.01.01.02.0

1.01.01.01.01 01.01.02.0

JUL 10 '96 10:33 Net Inc - Cedar Fal PPGE.020

10: 2«* AH COT 07/10/98 319 277 ¥181 Page 21 S|

QUALITY OOWEROL REPORT

ROCKWELL INTERNATIONAL 07/10/1996133-111 Mail Station400 Colline Road NECedar Rapids, IA 52498Chuck Hallier


Pr»p RunData Batch Batch Reporting

Result Utrtts Aulyzed Nurter Hunter Analysis Method L1itt

355927 W-4A RockMell Ralston Slta 07/02/1996

Ethylbenz«w-<110 (Surr.) 99.4 S 07/0671996 1395Toluene-d8 (Surr.) 96.2 S 07/OAV1996 1355 S-824064-Bronnuorobenzene (Surr.) 86.0 S 07/0671996 199S S-6240B

JUL 10 '96 10J33 Net Inc - Cedar Fal PAGE.021

10: ZH AH COT 07/10/88 313 277 Paga 22 SI

QUALITY CONTROL RBPQRTCOSTINUXMO CALIBRATION VERIFICATION

ROCKWELL INTERNATIONAL133-111 Mail Station400 Col Una Road NECedar Rapids, IA 52498Chuck Hallier


07/10/1996

Aialyte

VOLATILE CONFOUNDSBenzeneChlorobenzene1.1-DlchloroethentEthyibenzeneTolueneTMdiloroetheneXylenes. Total1.2-D1ch1oroethaM-d4 (Surr.)Ethylbenzene-dlO (Surr.)Tolurn-da (Surr.)4-BnMofluorabenzene (Surr.)VOLATILE CCHPOMSBenzeneOilorobenzene1.1-DlchloroetbeneEthjrlbenzeneTolueneTrlchloroetheneXylenes. Total1.2-Dichloroethane-<)4 (Surr.)Ethylbenzene-dlO (Surr.)ToluMtt-da (Surr.)4-BrxMofluorabenzene (Surr.)VOLATILE COMPOUNDSBenzeneOilarobenzene1.1-DlchloroethemEthyl benzeneTolueneTrldiloroetheneXyleiws. Total

Prep RunBatch Batcntutor Hu*er

1K413541*419941354

CCVTru* ConcentrationConcentration Found

1*541354139413941354

60soGO90.06060190100100100100

1399 901355 501399 901999 90.01355 SO1399 901399 1901355 1001959 1001399 1001355 100

1396 901356 SO1396 901396 90.01356 501396 901396 190

99.950.090.291.050.761.019898.396.099.S101

91.651.797.490.951.892.6196113102101101

62.449.849.340.450.446.9194

PercentRecovery

111.8100.0100.4102.0101.4122.0109.398.396.099.8101.0

103.2103.4114.8101.6103.6109.6104.0113.0102.0101.0101.0

124.699.699.696.8100. B93.8102.7



10: 2«* AH COT 07/10/98 319 277 Page 23 Bl

QUALITY CONTROL RBPORTCONTIMUIMG CALIBRATION VERIFICATION



07/10/1996

PrepBatch

RunBate*

Aialyte

1.2-Dtdi1oroethane-44 (Surr.)Ethylbeazene-olO (Surr.)TolueM-<B (Surr.)4-Bixannuorobenzene (Surr.)

CCVTn» ConcentrationC«K«ntrat1on Found

1X61X613561956

100100100100

10999.0102102

PercentRecovery

109.099.0102.0102.0

CCV • Continuing Calibration Verification


10; 2*i AH COT 07/10/98 319 277 Y18¥ Paga 2*4 il


ROCKWELL INTERNATIONAL 07/10/1996133-111 Mail Station400 Collins Road NECedar Rapids, IA 52498Chuck Halliar


Prep RUB.Batch Batch Blank

Analyte Nu*er Hater Analysis Urita

VOLATILE COWOLNOSAcetone 1354 <20 ug/LAcrylonltrlle 1954 «50 ug/LBenzene 1954 <1.0 ug/LBrantflchloroKthane 1354 <1.0 ug/LBrawforai 1954 <1.0 ug/LBronowthan* 1954 <10 ug/LCarbon tetrachlorlde 1354 <1.0 ug/LChlorobenzene 1954 <1.0 ug/LChloroethara 1954 <10 ug/LChloroforai 1354 <1.0 ug/LChloronthane 1954 <10 ug/LDlbroMChlorowthane 1954 <.0 ug/L1.1-WcMoroethane 1354 <!.» ug/L1.2-D1chloroethane 1954 <!.« ug/L1.1-Dlchloroethene 1954 <1.0 ' ug/Ltrans-1.2-01chloraethene 1354 <1.0 ug/Lc1s-l,2-D1chloroethene 1954 <1.0 ug/L1.2-Wchloropropane 1954 <1.0 ug/Lc1s-l.3-D1chloraprapene ". 1354 <1.0 ug/Ltrans-1.9-D1ch1oropropent 1954 <1.0 ug/LEthylbenzene 1954 <1.0 ug/L2-Hexanone 1354 <10 ug/L

Advisory Control Llartts for Blanks:Netals/Wet Che^stry/ Conventional s/GC - all co^ounds should be less than the Reporting L1*1t.BC/KS - Seal-Volatlles - all compounds should be less than the Reporting L1«1t except for phthalates Wilch should

be less than 5 tines the reporting Halt.Volatlles - Toluene, aethylene chloride, acetone and chloroform should be less than 5 tines the Reporting

L1«rit. All other volatile compounds should be less than the Reporting Llartt.

JUL 10 '96 10535 Net Inc - Cedar Fal PftGE.024

10: AH COT 07/10/98 319 277 Paqa 25 Bl


ROCKWELL INTERNATIONAL133-111 Mail Station400 Collina Road NECedar Rapids, IA 52498Chuck Halliar


07/10/1996

Analyta

Methyl ethyl ketone (MEK)Methyl Isobutyl ketcne (HI8K)Nethylene chloride1.1.2.2-TetrachloroethaneTetrechloroetheneToluene1.1.1-Trtchloroethane1.1.2-TrtchloroethaneTrlchloroetheneTrl c hi orofl uorowthaneVinyl chlorideXylenes. Total1.2-01chloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-da (Surr.)4-Bronofluorobenzene (Surr.)VOLATILE CON>OUN05AcetoneAcrylonltrlleBenzeneBroaodlchl orovthaneBronofora)Brtnonethane

<ao

kmBatch Batch HankNurtwr Hurter

1394135413941394135413941394135413941394135413941394135413941394

139913991355139913991355

10398.399.3«9.8

ug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/LSItI

ug/Lug/Lug/Lug/Lug/Lug/L

Advisory Control L1«1ts for Blanks:Netels/Wet Chertstry/ Conventionals/GC - all compounds should be less than the Reporting L1rit.QC/MS - Soil-Volatlles - all ccopounds should be less than the Reporting Unit except for phthalates Wtlch should

be less than 9 tlww the reporting 11«1t.Volatlles - Toluene. Hethylene chloride, acetone and chloroform should be less than 5 tines the Reporting

L1*1t. All other volatile compounds should be less than the Reporting Unit.

JUL 10 '96 10:35 Net Inc - Cedar FaI PAGE.025

10: 24 AH COT 07/10/98 319 277 ¥1B¥ Page 28

QUALITY OOHTROL REPORTBLANKS

ROCKWELL INTERNATIONAL 07/10/1996133-111 Mail Station400 Colline Road NECedar Rapids, IA 52498Chuck Halliar


Prep RunBatch Batch Blank

Analyte Pkj*>w ftflfcer Analysis ttrits

Carbon tetrachlorlde 1995 4.9 ugAChlorobenzene 1355 <!.• ug/LChloroethane 1995 <10 ug/LChlorofora 1995 <1.0 ug/LChloroKthane 1355 <10 ug/LDlbroBOChlorooetham 1995 <1.0 ug/L1.1-Wchloroethant 1995 <1.0 ug/L1.2-Wchloroediane 1355 <.0 ug/L1.1-Dlchloroethent 1995 <1.0 ug/Ltrans-1.2-D1chloroethem 1995 <1.0 ug/Lc1s-l.2-D1chl oroethene 1355 <L.O ug/L1.2-Wchloropropant 1395 <1.0 ug/Lc1$-l,3-D1ch1ocopropene 1995 <1.0 ug/Ltrans-l.a-Wchloropropene 1355 <1.0 ug/LEthylbenzene 1995 <1.0 ug/L2-Hexanone 1995 <10 ug/LMethyl ethyl ketone (HOC) 1355 <10 ug/LMethyl Isobutyl ketont OflBK) 1995 <0 ug/LMethylene chloride 1995 <10 ug/L1.1.2.2-Tetrachloroethane . 1355 <1.0 ug/LTetrachl oroethene ' 1995 <1.0 ug/LToluene 1995 <!.« ug/Ll.l.l-Trlchloroethane 1355 <1.0 ug/L

Advisory Control L1«1ts for Blanks:Metals/Wet Chmlstrjr/ Conventionals/BC - all co^ounds should be less than the Reporting L1«1t.ac/NS - Seol-Volatlles - all coepotnds should be less than the Reporting L1>1t except for phthalates Wilch should

be less than S tlws the reporting 11«1t.Volatlles - Toluene. Methylene chloride, acetone and chloroform should be less than 5 tines the Reporting

Limit. All other volatile compounds should be less than the Reporting Llortt.


10: 21 AH COT 07/10/98 313 277 Page 27 it




07/10/1996

Analyte

1.1.2-TrlchloroettwneTrl chl oroetheneTrl chl orofl uoronethaneVinyl chlorideI /lanes. Total1.2-D1chloroethane-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-48 (Surr.)4-Bronoriuorobenzene (Surr.)VOLATILE COMPOUNDSAcetoneAcrylonltrlleBenzeneBroMxM chl oroHBthaneBraaofonaBroBcnethaneCarbon tetrachlorldeChlorobenzeneChloroethaneChlorofonaChloronthaneDlbroaiochl oroaethane1.1-Dlchloroetnana

Prep fenBatch Batch BlankHurtser Muter Aulysls units

13551355

135513551355135513551355

1356135613561356135613561356135613561356135613561356

10910199.792.5

<30

•4.0

•4.0

ug/Lug/Lug/Lug/Lug/LSt


Advisory Control Halts for Blanks:Hetals/Wet Owristry/ Conventlonals/GC - all co^ounds should be less than the Reporting Llrit.QC/MS - Senrt-Volatlles - all ccapounds should be less than the Reporting L1*1t except for phthalates Wilch should

be less than 5 ttass the reporting Harlt.Volotlles - Toluene, •ethylene chloride, acetone and chlorofoni should be less than 5 t1«u the Reporting

L1«1t. All other volatile cocpounds should be less than the Reporting Unit.

JLL 10 *96 10:36 Net Inc - Cedar Fa I PftGE.027

10: 2V AH COT 07/10/88 319 277 <*1B1 Page 28 81


ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapids, IA 52498Chuck Hallier


Analyte

1.2-D1chloroethan*1.1-Dlchloroethenetrans-1.2-D1chloroethenec1s-l.2-D1chloroethene1.2-Dlchloropropanec1s-l.3-G1chloropropenetrans-1.9-D1chloropropentethylbenzene2-HexanoneMethyl ethyl ketone OCOMethyl Isobutyl ketone (MIBK)Hethylene chloride1.1.2.2-TetrachloroethaneTetrachloroetheneToluene1.1.1-Trlchloroethane1.1.2-Trichl oroethaneTrlchloroetheneTrlchlorofluoroBrthaneVinyl chlorideXylenes. Totall,2-D1ch1oroethane-<14 (Surr.)Ethyl benzene-dIO (Surr.)

Prep tonBatch Batch Blank

Hurtwr Analysis

19961366199619961356

19961366199619961366199619961366199619961366

<ao

19961366199619961356

<2.0

10997.7

07/10/1996

units

UO/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/Lug/LIl

Advisory Control Llitts for Blanks:Netals/Uet Chartstry/ Conventionals/QC - all ccMpounds should be less than the Reporting L1«lt.«/HS - Seal-Volatlles - all co^ounds should be less than the Reporting Unit except for phthalates Wilch should

be less than 9 tlies the reporting llartt.Volatlles - Toluene. Mrthylene chloride, acetone and chlorofom should be less than 5 tines the Reporting

LlBlt. All other volatile compounds should be less than the Reporting Llnlt.


10: 2f AH COT 07/10/98 319 277 Page 29 SI

QUALITY COHTROL REPORTBLANKS

ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapide, IA 52498Chuck Halliar


07/10/1996

PrepBatch

Analyta

Toluene-48 <$urr.)4-Br<»ofluorabenzene (Surr.)

fenBatch BlankHu*er fttalysla

13961366

95.«91.6

units

II

Advisory Control Halts for Blanks:Metals/Wet Cheariatrjr/ Converrtlonsls/GC - all co^xxnds should be leu than the Reporting L1«1t.QC/MS - Seit-Volatlles - all cojxxnds should be less than the Reporting Unit except for phthalates Wilch should

be less than 5 tlMS the reporting I1«1t.Volatnes - Toluene. Brthylenfl chloride, acetone and chlorofom should be less than 5 tlaes the Reporting

L1*1t. All other volatile compounds should be less than the Reporting Halt.

JUL 10 '96 10:38 Net Inc - Cedaj- Fal PACE.029

10: 2«* AH COT 07/10/98 315 277 Pago 30 91

QUALITY COMTROL REPORTLABORATORY CONTROL STANDARD

ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapids, IA 52498Chuck Kallier


ftialyt*

VOLATILE COfOUOSBenzeneChlorobenzene1.1-DlchloroethwwEthylbenzeneTolueneTrlchloroetneneIrenes. Total1.2-Mchloroethan»-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-d8 (Surr.)•4-Brawfluorobeiuene (Surr.)VOLATILE COrOMDSBenzeneCnlorotwnzmt1.1-DlchloroetheneEthylbenzeneTolueneTHchloroethenelylenes. Total1.2-D1ch1oroethane-d4 (Surr.)Ethyl benzene-dlO (Surr.)Toluene-dS (Surr.)4-Droaofluorobenzene (Surr.)


Advisory Control Llalts - Inorganics - LCS recovery should be 80 - 1201.

07/10/1996

Prep fenBatch BatchNu*t)6r ftBfcpr

13541954199413541954195413641954195413641954

13641954195413641954195413641954195413641954


292020zo202060100100100100

a202020202060100100100100

LCSI Recovery

133.0115.0tt.O107.0113.0100.0116.2103.0105.0106.0101.0

127.5111. 597.0106.5107.5110.0106.5100.0104.0104.0100.0

JUL 10 '96 10J38 Net Inc - Cedar FaI PAGE.030

10: 2>4 AH COT 07/10/98 319 277 Paga 31 81

QUALITY COMTROL REPORTLABORATORY CONTROL STANDARD

Batch

ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road MECedar Rapids, IA 52498Chuck Hallier


Analyte

VOLATILE COWOUNDSBenzeneChlorobenzene1.1-DlctiloroethemEthylbenzeneTolueneTrlchloroethenelylenes. Total1.2-D1diloroetiune-d4 (Surr.)Ethylbenzene-dlO (Surr.)Toluene-da (Surr.)4-Draaofluorotwnzene (Surr.)VOLATILE COMPOUBSBenzeneChlorobenzene1.1-DlchloroetheneEthylbenzeneTolueneTrlchloroethenelylenes. Total1.2-D1chloroethane-<M (Surr.)Ethylbenzene-410 (Surr.)Toluene-da (Surr.)4-Bronofluorobenzene (Surr.)


Advisory Control Llartts - Inorganics - LCS recovery should be 80 - 1201.

07/10/1996

tonBitchIfcaBBfcaftaa••DOT

1355139519%13551395199513551395139513551395

13551395139513551395139513551395139513551395


20202020202060100100100100

20202020202060100100100100

LCSX R6COV6TJF

111.0110.0101.5102.5103.5112.0105.7109.0105.0102.099.3

76.5109.0102.0100.5104.003.0103.8108.0104.0105.0102.0


10: 2t AH COT 07/10/98 3ia 277 mat Page 32 HI

QUALITY COMTROL REPORTLABORATORY CONTROL flTANDARD

ROCKWELL INTERNATIONAL133-111 Mail Station400 Colline Road NECedar Rapide, IA 52498Chuck Halliar


Bate*tat LCSBatch Tnw

Analyte

VOLATILE WOUNDSBenzeneGhlorobenzen*1.1-WchloroetheneEthylbenieneTolueneTrldiloroetheneXylenes. Total1.2-D1diloroethane-d4 (Surr.)EtKylbenzene-dlO (Surr.)Toluene-da (Surr.)4-Broaofluorobenzene (Surr.)VOLATILE COfOUMDSBenzeneChlorobenzeM1.1-WchlorortheneEthylbenzeneTolueneTrldiloroethenelylenes. Total1.2-Dlchloroetham-oM (Surr.)Ethylbenzene-dlO (Surr.)Toluene-dB (Surr.)4-BraaofIuorobenzene (Surr.)

m*mta

13561996196613561996199613561996196613561996

13561996199613561996199613561996199613561996

uncemrvn

20202020202060100100100100

20202020202060100100100100

07/10/1996

LCS( Recovery

124.0110.0109.099.5101.0104.9106.210«.0104.0103.0109.0

116.5109.097.592.094.0111.996.0106.0101.0101.099.0


Advisory Control Merits - Inorganics - LCS recovery should be 80 - 120S.

JUL 10 '96 IB'39 Net Inc - Cedar Fal PAGE.032

tMlCD

NATIONALENVIRONMENTALTESTING, INC,

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Sampled By: (Print Name) _(Signature)

NET, Inc. • L .ar Falls Division704 Enterprise DriveCedar Falls, (A 50613

Phone 319-277-2401 orFAX 319-277-2425

IH

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quarterly progress report for second quarter … · 400 col.ins road ne cedar rapids ia &2-198...

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