b&v waste science and technology corp ...v waste science and technology corp. 4717 grand avenue,...

B&V WASTE SCIENCE AND TECHNOLOGY CORP. 4717 Grand Avenue, Suite 500, P.O. Box 30240, Kansas City, Missouri 64112, (913) 339-2900

EPA Region VII Ies IX - Des Moines TCE Site

U.S. EPA Region VII 726 Minnesota Avenue Kansas City, KS 66101

J . a

BVWST Project 45526.300 BVWST File C.3

November 29. 1990

Oincr:

Subject: DICO Property - Fall 1990 Supplemental Investigation Oversight

Attention: Mr. Glenn Curtis Work Assignment Manager

Gentlemen:

Enclosed is a brief memorandum dated November 28, 1990 pertaining to oversight observations and work progress of the PRP-conducted Supplemental Investigation on the DICO, Inc. property of the Des Moines TCE site.

Please call should you have any questions concerning the enclosed memorandum.

Very truly yours,

B&V WASTE SCIENCE AND TECHNOLOGY CORP.

Craig A. Willis

dsm Enclosure

cc: Mr. Gary Felkner, w/enclosure

N 30221169

Superfund

B&V WASTE SCIENCE AND TECHNOLOGY CORP.

MEMORANDUM

EPA REGION VII TES IX B&V Project 45526.300

Des Moines TCE Site November 28, 1990

To: Craig Willis (PM)/File

From: Gary Felkner Re: Oversight of the Eckenfelder Inc. field sampling for the Source

Control Operable Unit RI on the DICO Inc. portion of the Des Moines TCE site.

This memorandum summarizes the observations of TES IX Field Team Representative Gary Felkner during oversight efforts on November 6 to November 8, 1990 and November 17 to November 19, 1990. Summary tables presenting the sampling progress of Eckenfelder, Inc., a photocopy of the field notes, and oversight photographs are attached for reference.

November 6. 1990

• Eckenfelder, Inc. collected samples SB-28, SB-29, SB-30, SB-31, SB-32, SB-33, SB-40, and SB-41 before Mr. Felkner arrived onsite.

• Eckenfelder, Inc. attempted to measure for the presence of DNAPL in recovery wells ERW-6 and ERW-7. Well construction does not provide an adequate opening in the well casing; therefore, Eckenfelder personnel attempted to measure for DNAPL using the recovery well piezometers. However, well construction diagrams show the bottom of the piezometers to be above bedrock, so, the piezometer cannot be used. Eckenfelder proposed to pull the well pumps and measure for DNAPL using the main well casing.

November 7. 1990

• Mr. Felkner delivered USEPA performance evaluation sample 0Q425-001 for HSL volatile organics analysis to Mike Watkins of Eckenfelder, Inc.

• Eckenfelder, Inc. collected samples SB-42, SB-43, SB-44, SB-45, and SB-46.

• A split sample was collected from sample SB-44 and designated as DSX43-001. Eckenfelder, Inc. will analyze its sample for pesticides only. The USEPA will analyze its split sample for TCL and TAL contaminants.

MEMORANDUM

Page 2

EPA REGION VII B&V Project 45526.300 TES IX November 28, 1990 Des Moines TCE Site

• Eckenfelder's crew collected the shallow boring samples using the same technique used during the earlier phases of the RI.

• The thickness of floating product was measured in the abandoned water well. The well contained 0.46 feet of floating product (LNAPL) and no sinking product (DNAPL).

November 8. 1990

• Eckenfelder, Inc. crew bailed approximately thirteen gallons from the abandoned well and reduced the thickness of floating product to 0.01 feet.

• The drilling subcontractor, Layne-Western Co., arrived onsite.

November 17. 1990

• Layne-Western Co. set up an electric drilling rig to drill deep borings DB-69 and DB-70.

• Observed drilling and sampling of deep auger boring DB-69.

A USEPA split sample was collected from DB-69, 4.5-5.0 foot sample interval, and was designated as DSX43-002. Eckenfelder will analyze their sample for volatile organics only. USEPA will analyze their split sample for TCL and TAL contaminants.

November 18. 1990

• Mr. Felkner delivered USEPA performance evaluation sample QQ025-001 for volatile organics analysis to Carl Rhodes of Eckenfelder, Inc.


MEMORANDUM

Page 3

EPA REGION VII B&V Project 45526.300 TES IX November 28, 1990 Des Moines TCE Site

November 19. 1990


- A USEPA split sample was collected from DB-64, 8.2-8.8 foot sample Interval, and was designated as DSX43-003. Eckenfelder will analyze their sample for volatile organics only. USEPA will analyze their split sample for TCL and TAL contaminants.

A black, tacky substance was observed in samples collected from 7.0 to 8.2 feet. Diesel odors were noted.

kg

Attachments - Field Notes (logbook pages 1 through 25) Site Photographs (25)

DES MOINES TCE SITE SAMPLING SUMMARY

FALL 1990

BORING NO.

SAMPLE INTERVAL

DEPTH (FEET)

DATE SAMPLED BY ECKENFELDER. INC.

EPA SPLIT SAMPLING OBSERVED SAMPLE DURING

COLLECTED TES IX OVERSIGHT REMARKS

SHALLOW BORING SAMPLES

SB-28

SB-29

SB-30

SB-31

SB-32

SB-33

SB-34

SB-35

SB-36

SB-37

Pagel Of4

1.5-2.0

1.5-2.0

1.5-2.0

1.5-2.0

1.5-2.0

1.5-2.0

1.0-3.0

4.0 - 4.5

4.0 - 4.5

4.0 - 4.5

4.0 - 4.5

11-6-90

11-6-90

11-6-90

11-6-90

11-6-90

11-6-90

11-9-90

11-9-90

11-8-90

11-8-90

11-9-90

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

172 ppm OVA (HSA)

434 ppm OVA (HSA)

232 ppm OVA (HSA)

40 ppm OVA (HSA)

55 ppm OVA (HSA)

46 ppm OVA (HSA)

848 ppm OVA (HSA)

2 ppm OVA (HSA)

10 ppm OVA (HSA)

2 ppm OVA (HSA)

0 ppm OVA (HSA)


FALL 1990

SAMPLE INTERVAL

DEPTH DATE SAMPLED BORING NO. (FEET) BY ECKENFELDER. INC.

SHALLOW BORING SAMPLES fcontlnued)

SB-38 4.0 - 4.5 11-9-90

SB-39

SB-40

SB-41

SB-42

SB-43

SB-44

SB-45

SB-46

4.0-4.5

1.5-2.0

1.5-2.0

2.5 - 3.0

2.5 - 3.0

2.5 - 3.0

2.0 - 2.5

2.5 - 3.0

11-9-90

11-6-90

11-6-90

11-7-90

11-7-90

11-7-90

11-7-90

11-7-90



Notel

NO

NO

NO

NO

YES

YES

YES

YES

YES

0 ppm OVA (HSA)

2 ppm OVA (HSA)

40 ppm OVA (HSA)

42 ppm OVA (HSA)

57 ppm OVA (HSA)

32 ppm OVA (HSA)

20 ppm OVA (HSA)

26 ppm OVA (HSA)

10 ppm OVA (HSA)

Page 2 of 4


FALL 1990

BORING NO.

SAMPLE INTERVAL

DEPTH (FEET)




DEEP BORING SAMPLES

DB-64

DB-65

DB-66

DB-67

DB-68

Page 3 of 4

8.2 - 8.8

11.0-13.0

8.2 - 9.0

11.0-13.0

10.0-10.5

16.0-16.5

7.0-9.0

12.5 -13.0

13.0-13.5

17.0-19.0

11-19-90

11-19-90

11-19-90

11-19-90

11-9-90

11-9-90

11-20-90

11-20-90

11-20-90

11-20-90

Notel YES

YES

NO

NO

NO

NO

NO

NO

NO

NO

314 ppm OVA (HSA)

1000+ppm OVA (HSA)

Fill to 8.2 ft.; GWat 17 ft.

80 ppm OVA (HSA)

820 ppm OVA (HSA)

Fill to 8.2 ft.; GWat 17.2 ft.

348 ppm OVA (HSA)

1000+ppm OVA (HSA)

Fill at 8.0 ft.; GWat 20 ft.

400 ppm OVA (HSA)

860 ppm OVA (HSA)


220 ppm OVA (HSA)

260 ppm OVA (HSA)



FALL 1990

SAMPLE INTERVAL

DEPTH BORING NO. (FEET)

DhfcP BORING SAMPLES ^Continued)

DB-69 4.5 - 5.0

13.0-15.0

DB-70 11.0-12.0

17.0-19.0


11-17-90

11-17-90

11-18-90

11-18-90


COLLECTED TES IX OVERSIGHT

Notel

REMARKS

YES

YES

YES

YES

17 ppm OVA (HSA)

1000+ppm OVA (HSA)

Fill to4.0ft.;GWat 19.2 ft.

52 ppm OVA (HSA)

1000 ppm OVA (HSA)

Fill to 10.8 ft.; GWat 20.9 ft,

MONITORING Vi/ELLS

RI-1

RI-2

RI-3

4.5 - 5.0

5.3 - 6.0

4.5 - 5.0

45.8-46.0

11-14-90

11-12-90

11-16-90

11-16-90

NO

NO

NO

NO

(HSA) o Head Space Analysis Note 1: TCL and TAL analyses

29 ppm OVA (HSA)

Fill to4.5 ft.;GWat 20.9 ft.

10 ppm OVA (HSA)

Fm to 5.3 ft.; GWat 21.4 ft.

0 ppm OVA (HSA)

202 ppm OVA (HSA)

Fill to4.5 ft.;GWat 20 ft.

Page 4 of 4

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The square of any distance, divided by twice the radius, will equal the distance front tangent to curve, very nearly.

To find angle for a given distance and drllectton. Rule I. Multiply the given distance by .01745 (def. fur i* for I ft.)

ami divide given deflection by the product. Rule 3. Multiply given deflection by $7.3, and divide the product by

the given distance. To find deflection for a given angle and distance. Multiply the angle

by .01745, and the product l>y the distance.

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base. Add quotient to base for hypotenuMC. ,-;';• Civen Base 100. Alt. io.iO'-i-aoos>.,s. ii)o+..S"iuo.5 hyp.

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To find Tons of Rail in one mite of truck'."liuiiliply Wright per yard by 11, and divide by 7.

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