chicago il 60612 773.722.9200 phone - 773.722.9201 … · this report has been prepared for the...

ENVIRONMENTAL SERVICES, LLC

700 N Sacramento Blvd. Suite 101Chicago IL 60612773.722.9200 Phone - 773.722.9201 Faxwww.pioneerEES.com

July 9, 2014

Brinshore Development666 Dundee Road, Suite 1102Northbrook, Illinois 60062Attn: Ms. Dawni Freeman

RE: Soil Testing Services NE Corner of South Lawndale Avenue and West 50th Street Chicago, Illinois Pioneer Project No: 14-0207-102

Dear Ms. Freeman:

As you know, Pioneer Environmental Services, LLC (Pioneer) recently completed a Phase I Environmental Site Assessment (ESA) at the subject property. The Phase I ESA identified three piles of soil of unknown, possible off-site origin as recognized environmental conditions (RECs), and recommended representative soil sampling to assess the condition of the soils and determine if approval may be obtained for disposal of the soils at a Clean Construction and Demolition Debris (CCDD) facility. This letter presents the results of Pioneer’s assessment of the soil piles.

Site Activities

The scope of work included the collection of soil samples from each of the soil piles (see the attached drawing for the sampling locations). Soil samples were obtained with the use of hand augers according to standard industry protocols. The soil samples were logged according to their predominant geological characteristics, prepared for analysis, and field screened using a MiniRAE hand-held air monitor/photo ionization detector (PID). This device is sensitive to a variety of volatile organic compounds (VOCs) including those targeted in this investigation. The procedures employed during the collection of soil samples were consistent with standard industry operating practices and followed general Illinois Environmental Protection Agency (IEPA) protocol. A description of Pioneer’s standard soil sampling protocol is attached.

Field Observations

In the area of Pioneer’s borings, the soil piles consisted of approximately 12 inches of sandy topsoil and gravel fill, followed by sandy gravel fill material that extended to approximately 4 feet below the surface of the mound, the maximum explored depth, except in boring SP-1 where the surficial sandy topsoil and gravel fill extended to the boring terminus. No obvious evidence of impact was noted in any of the soil borings advanced in the soil piles. A complete listing of the geological conditions and field observations encountered during drilling are provided on the attached soil boring logs.

One soil sample from each soil pile was immediately packed into laboratory-provided glassware (Method 5035 kits) for analysis of VOCs. Remaining soil samples from two locations at each stockpile were composited into three individual samples representing each stockpile and were packed into unpreserved glass jars for possible analysis of semi-volatile organic compounds (SVOCs), pesticides, polychlorinated biphenyls (PCBs), total priority pollutant metals, and pH. The soil samples were stored on ice in a laboratory cooler and relinquished to an independent laboratory under standard chain of custody procedures.

Due to the common presence of PNAs and metals in near-surface soils in the Chicago area, the soil samples were initially tested only for these parameters as a potential cost-saving measure. The analytical tests were performed in accordance with accepted US EPA Test Methods.

Analytical Results

The initial analytical results indicated that the soil samples exhibited contaminant concentrations in excess of the 35 IAC Part 742 Tier 1 soil remediation objectives (SROs). Specifically, each sample exceeded the most stringent Tier 1 SROs due to the presence of several PNA compounds (SP-1 and SP-2), total mercury (SP-1, SP-2 and SP-3) or total lead (SP-3). The laboratory report (Workorder 1406B99) is attached. Based on these results, the soils are considered impacted and do not meet the criteria for disposal at a CCDD facility.

In order to initiate the permitting process for proper soil disposal, Pioneer cancelled the analyses of the remaining parameters described above, and based on discussions with the client, instructed the laboratory to conduct disposal permitting analyses on soil sample SP-1 to meet Waste Management’s disposal requirements (Daramend). The analytical results indicate the soils may be accepted for disposal by Waste Management. The results are attached (Workorder 1407009) and should be submitted to Waste Management for approval prior to excavation/disposal of the soils.

Summary / Conclusions

A total of three soil samples were submitted to an independent laboratory for analysis of PNAs and total priority pollutant metals, and the analytical results revealed that certain targeted compounds were detected above the current most stringent Tier 1 SROs in each of the analyzed soil samples. Based on the analytical results of the soil samples, Pioneer recommends that the soil piles be removed from the subject property, and an additional one foot of soil from beneath the soil piles be excavated to ensure all impacted soils have been removed. The excavated soils should be handled as non-hazardous, non-special waste and properly disposed at a licensed Subtitle D landfill.

Regarding redevelopment of the site, if soils exhibiting obvious evidence of impact such as odors or staining are encountered during future construction activities, the soils must be managed in accordance with applicable solid waste regulations. This typically requires that the material be returned to its original location or properly profiled and transported off site for disposal at a licensed landfill. Therefore, additional soil disposal costs may be incurred during redevelopment if construction spoils can not be managed on site.

Soil Testing ServicesNE Corner of S. Lawndale and W. 50th St.Chicago, IllinoisPioneer Project No: 14-0207-102July 9, 2014

Closing Remarks

This report has been prepared for the sole use of Brinshore Development (Client) and cannot be relied upon by other persons or entities without the permission of Pioneer Environmental Services, LLC (Pioneer). The observations and conclusions contained herein are limited by the scope and intent of the work mutually agreed upon by the Client and Pioneer and the work actually performed. Due to scope of work considerations and the inherently limited nature of subsurface investigations, definitive conclusions regarding the environmental condition of the site in its entirety cannot be provided and additional testing would be needed. There are no warranties, implied or expressed, concerning the environmental integrity of areas and/or mediums not analytically tested.

Pioneer appreciates the opportunity to assist you and please feel free to contact me if you need any additional information.

Sincerely,Pioneer Environmental Services, LLC

Mark Santangelo{Project Manager

Attachments: Site Diagram Analytical Tables Laboratory Reports

Soil Testing ServicesNE Corner of S. Lawndale and W. 50th St.Chicago, IllinoisPioneer Project No: 14-0207-102July 9, 2014

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ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A &

B)(1

) SRO

s fo

r Non

-TAC

O C

hem

ical

s pr

ovid

ed b

y IE

PA T

oxic

ity A

sses

smen

t Uni

t (O

ctob

er 3

0, 2

012)

(2) P

ursu

ant t

o 35

IAC

742,

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed in

pla

ce o

f def

ault

Tier

1 S

RO fo

r ing

estio

n ex

posu

re ro

ute

(3) B

ackg

roun

d co

ncen

tratio

n fo

r Chi

cago

pur

suan

t to

35 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x A,

Tab

le H

)

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

827

0CSh

aded

/Bol

ded

cell i

ndic

ates

val

ue e

xcee

ds th

e m

ost s

tring

ent T

ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A &

B)(1

) SRO

s fo

r Non

-TAC

O C

hem

ical

s pr

ovid

ed b

y IE

PA T

oxic

ity A

sses

smen

t Uni

t (O

ctob

er 3

0, 2

012)

(2) P

ursu

ant t

o 35

IAC

742,

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed in

pla

ce o

f def

ault

Tier

1 S

RO fo

r ing

estio

n ex

posu

re ro

ute

(3) B

ackg

roun

d co

ncen

tratio

n fo

r Chi

cago

pur

suan

t to

35 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x A,

Tab

le H

)

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

827

0CSh

aded

/Bol

ded

cell i

ndic

ates

val

ue e

xcee

ds th

e m

ost s

tring

ent T

ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A &

B)(1

) SRO

s fo

r Non

-TAC

O C

hem

ical

s pr

ovid

ed b

y IE

PA T

oxic

ity A

sses

smen

t Uni

t (O

ctob

er 3

0, 2

012)

(2) P

ursu

ant t

o 35

IAC

742,

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed in

pla

ce o

f def

ault

Tier

1 S

RO fo

r ing

estio

n ex

posu

re ro

ute

(3) B

ackg

roun

d co

ncen

tratio

n fo

r Chi

cago

pur

suan

t to

35 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x A,

Tab

le H

)

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

827

0CSh

aded

/Bol

ded

cell i

ndic

ates

val

ue e

xcee

ds th

e m

ost s

tring

ent T

ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A &

B)(1

) SRO

s fo

r Non

-TAC

O C

hem

ical

s pr

ovid

ed b

y IE

PA T

oxic

ity A

sses

smen

t Uni

t (O

ctob

er 3

0, 2

012)

(2) P

ursu

ant t

o 35

IAC

742,

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed in

pla

ce o

f def

ault

Tier

1 S

RO fo

r ing

estio

n ex

posu

re ro

ute

(3) B

ackg

roun

d co

ncen

tratio

n fo

r Chi

cago

pur

suan

t to

35 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x A,

Tab

le H

)

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Tier

1 S

oil R

emed

iatio

n O

bjec

tives

(Tie

r 1 S

ROs)

Back

grou

nd

Con

cent

ratio

n in

Soi

ls(1

)TA

BLE

NO

. 2So

il Sa

mpl

e An

alyt

ical

Res

ults

: PP

Met

als

+ Ba

rium

NEC

S. L

awnd

ale

& W

. 50t

h St

. / C

hica

go, I

llino

is

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

Resi

dent

ial

Resi

dent

ial

Con

stru

ctio

n W

orke

rC

onst

ruct

ion

Wor

ker

pH-S

peci

fic M

igra

tion

to G

roun

dwat

er V

alue

spH

-Spe

cific

Mig

ratio

n to

Gro

undw

ater

Val

ues

pH-S

peci

fic M

igra

tion

to G

roun

dwat

er V

alue

spH

-Spe

cific

Mig

ratio

n to

Gro

undw

ater

Val

ues

pH-S

peci

fic M

igra

tion

to G

roun

dwat

er V

alue

spH

-Spe

cific

Mig

ratio

n to

Gro

undw

ater

Val

ues

Back

grou

nd

Con

cent

ratio

n in

Soi

ls(1

)TA

BLE

NO

. 2So

il Sa

mpl

e An

alyt

ical

Res

ults

: PP

Met

als

+ Ba

rium

NEC

S. L

awnd

ale

& W

. 50t

h St

. / C

hica

go, I

llino

is

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

TABL

E N

O. 2

Soil

Sam

ple

Anal

ytic

al R

esul

ts: P

P M

etal

s +

Bariu

mN

EC S

. Law

ndal

e &

W. 5

0th

St. /

Chi

cago

, Illi

nois

Resi

dent

ial

Resi

dent

ial

Con

stru

ctio

n W

orke

rC

onst

ruct

ion

Wor

ker

pH =

7.7

5 - 8

.24

pH =

7.7

5 - 8

.24

pH =

8.2

5 - 8

.74

pH =

8.2

5 - 8

.74

pH =

8.7

5 - 9

.0pH

= 8

.75

- 9.0

Met

ropo

litan

Area

sSa

mpl

e ID

(Inte

rval

)SP

-1(1

-3’)

SP-2

(1-3

’)SP

-3(1

-3’)

Inge

stio

nO

utdo

or

Inha

latio

nIn

gest

ion

Out

door

In

hala

tion

Cla

ss I

Cla

ss II

Cla

ss I

Cla

ss II

Cla

ss I

Cla

ss II

Met

ropo

litan

Area

sC

olle

ctio

n D

ate

6/18

/14

6/18

/14

6/18

/14

Inge

stio

nO

utdo

or

Inha

latio

nIn

gest

ion

Out

door

In

hala

tion

Cla

ss I

Cla

ss II

Cla

ss I

Cla

ss II

Cla

ss I

Cla

ss II

Met

ropo

litan

Area

s

pH8.

858.

398.

22

Inge

stio

nO

utdo

or

Inha

latio

nIn

gest

ion

Out

door

In

hala

tion

Cla

ss I

Cla

ss II

Cla

ss I

Cla

ss II

Cla

ss I

Cla

ss II

Met

ropo

litan

Area

s

Antim

ony

1.79

1.69

2.21

31--

82--

520

520

520

4Ar

seni

c5.

619.

705.

7013

(2)

750

6125

,000

3112

032

130

3313

013

Bariu

m40

.429

.759

.95,

500

690,

000

14,0

0087

0,00

02,

100

2,10

0--

----

--11

0Be

rylliu

m0.

380

0.43

40.

522

160

1,30

041

044

,000

8,00

01,

000,

000

----

----

0.59

Cadm

ium

0.48

70.

544

0.77

278

1,80

020

059

,000

430

4,30

0--

----

--0.

6Ch

rom

ium

10.7

14.0

14.4

230

270

4,10

069

028

--24

--21

--16

.2Co

pper

27.3

32.1

41.5

2,90

0--

8,20

0--

330,

000

330,

000

----

----

19.6

Lead

70.7

25.1

127

400

--70

0--

107

1,42

010

71,

420

282

3,76

036

Mer

cury

0.26

30.

206

0.23

023

1061

0.1

840

----

----

0.06

Nick

el16

.327

.122

.71,

600

13,0

004,

100

440,

000

3,80

076

,000

----

----

18Se

leni

um<1

.30

<1.2

6<1

.30

390

--1,

000

--2.

42.

41.

81.

81.

31.

30.

48Si

lver

<0.0

600

<0.0

583

<0.0

600

390

--1,

000

--11

0--

----

----

0.55

Thal

lium

0.46

30.

642

1.02

6.3

--16

0--

3.8

384.

444

4.9

490.

32Zi

nc80

.856

.921

323

,000

--61

,000

--53

,000

110,

000

----

----

95No

tes:

Res

ults

liste

d in

mg/

kg (p

arts

per

milli

on)

EPA

test

met

hod

SW84

6, 6

020/

7471

A/90

12A

Shad

ed/B

olde

d ce

ll ind

icat

es v

alue

exc

eeds

the

mos

t stri

ngen

t Tie

r 1 S

RO"<

" ind

icat

es n

ot d

etec

ted

at s

tate

d de

tect

ion

limits

"--"

indi

cate

s va

lue

not a

vaila

ble

SRO

s pu

rsua

nt to

35

IAC

742-

Tier

ed A

ppro

ach

to C

orre

ctive

Act

ion

Obj

ectiv

es (A

ppen

dix

B, T

able

s A

thro

ugh

D)(1

) Pur

suan

t to

35 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x A,

Tab

le G

) (2

) Pur

suan

t to

35 IA

C 74

2 th

e ba

ckgr

ound

con

cent

ratio

n m

ay b

e ut

ilized

as

the

Tier

1 S

RO fo

r ing

estio

n ex

posu

re ro

ute

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

602

0/74

71A/

9012

ASh

aded

/Bol

ded

cell i

ndic

ates

val

ue e

xcee

ds th

e m

ost s

tring

ent T

ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A th

roug

h D)

(1) P

ursu

ant t

o 35

IAC

742-

Tier

ed A

ppro

ach

to C

orre

ctive

Act

ion

Obj

ectiv

es (A

ppen

dix

A, T

able

G)

(2) P

ursu

ant t

o 35

IAC

742

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed a

s th

e Ti

er 1

SRO

for i

nges

tion

expo

sure

rout

e

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

602

0/74

71A/

9012

ASh

aded

/Bol

ded

cell i

ndic

ates

val

ue e

xcee

ds th

e m

ost s

tring

ent T

ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A th

roug

h D)

(1) P

ursu

ant t

o 35

IAC

742-

Tier

ed A

ppro

ach

to C

orre

ctive

Act

ion

Obj

ectiv

es (A

ppen

dix

A, T

able

G)

(2) P

ursu

ant t

o 35

IAC

742

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed a

s th

e Ti

er 1

SRO

for i

nges

tion

expo

sure

rout

e

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

602

0/74

71A/

9012

ASh

aded

/Bol

ded

cell i

ndic

ates

val

ue e

xcee

ds th

e m

ost s

tring

ent T

ier 1

SRO

"<" i

ndic

ates

not

det

ecte

d at

sta

ted

dete

ctio

n lim

its"-

-" in

dica

tes

valu

e no

t ava

ilabl

eSR

Os

purs

uant

to 3

5 IA

C 74

2-Ti

ered

App

roac

h to

Cor

rect

ive A

ctio

n O

bjec

tives

(App

endi

x B,

Tab

les

A th

roug

h D)

(1) P

ursu

ant t

o 35

IAC

742-

Tier

ed A

ppro

ach

to C

orre

ctive

Act

ion

Obj

ectiv

es (A

ppen

dix

A, T

able

G)

(2) P

ursu

ant t

o 35

IAC

742

the

back

grou

nd c

once

ntra

tion

may

be

utiliz

ed a

s th

e Ti

er 1

SRO

for i

nges

tion

expo

sure

rout

e

Note

s: R

esul

ts lis

ted

in m

g/kg

(par

ts p

er m

illion

)EP

A te

st m

etho

d SW

846,

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Subsurface samples are collected by employing various soil boring techniques based on the site-specific conditions. Soil borings may be advanced using any of the following methodologies: 1) a conventional Ingersol Rand™ 300B with hollow stem augers and split-spoon sampling techniques, a Bosch™ manual hydraulic/percussive Macro-Core® barrel sampler, a truck-mounted Geoprobe 5410 hydraulic/percussive direct push sampling unit utilizing dual-tube sampling techniques, limited access Geoprobe hand-cart with a 2-inch Macro-Core® barrel sampler, and/or stainless steel hand augers. The specific methodologies employed are described in the report and listed on the soil boring log for each soil boring location (i.e., IR-300B, Bosch, Geoprobe 5410, Geoprobe Hand-Cart, or HA, respectively).

The soil sampling activities are conducted in accordance with American Society of Testing and Materials (ASTM) standards (ASTM:D 1586 or 6282). Soil samples are collected with a stainless steel hand auger, a split-spoon sampler, and/or a Macro-Core® sampler at 2-3 foot intervals depending on the specific method used. In the split-spoon sampling procedures, a split-barrel sampler having either a 2-inch or 13/16-inch outside diameter, an inside diameter of 1-3/8 or 7/8 inches, and a length of 2.5 or 3 feet is driven into the soil to collect a representative and undisturbed sample. In the Macro-Core® barrel sampling technique, a stainless steel barrel having a 2-inch outside diameter, an inside diameter of 1-1/2 inches, and a length of 2 or 3 feet is fitted with a dedicated disposable PVC liner and is driven into the soil to collect a representative and undisturbed sample.

The soil borings are sampled across continuous intervals from ground surface to the desired sampling depth, unless otherwise noted. The desired sampling depth is predicated on the specific conditions to be assessed, but may be restricted due to site-specific conditions. The drilling is directed by a Pioneer Engineering & Environmental Services Field Project Geologist/Engineer, who field screens auger cuttings and soil samples, prepares samples for laboratory analysis, logs geologic materials encountered during drilling, observes the drilling activities, and supervises sample collection.

After retrieval, soil samples obtained from each interval are immediately field screened for the presence of organic vapors along the exposed surface of the soil sample under ambient conditions. The samples are screened for volatile organic compounds (VOCs) and/or semivolatile organic compounds (SVOCs) using a MiniRAE™ 2000 handheld air monitor / photoionization detector (PID). This device is sensitive to a variety of petroleum/hazardous substances, including those typically targeted in subsurface investigations, and provide qualitative indications of the relative concentrations of organic contaminants trapped in the sample matrix.

After the sampling sleeve or split-spoon is opened and screened, and where elevated ambient screening results or other field indications of contamination are observed, an undisturbed portion of the sample from the portion of the interval displaying the highest indications of contamination is immediately selected for possible analysis. Where no elevated screening results are registered, the sample selected for analysis is chosen based on the nature of the REC being assessed, and the judgment of the Field Project Manager. The sample is immediately packed into laboratory provided glassware, or preserved in accordance with US EPA’s SW-846 Method 5035, if submitted for VOC analysis. In accordance with Method 5035, when soil samples are analyzed for VOCs, one of two field sampling methods is used. 1) A measured portion of the sample is placed in an EnCore™ sampler, or equivalent, immediately after collection, with the appropriate container quantities and volumes determined by the scope of work and field conditions. The EnCore™ samplers, or equivalent, are delivered to the laboratory and preserved within 48 hours of sample collection. 2) A measured portion of the sample collected in the field (subsample - small diameter core) is transferred directly from the sampling device(s) to pre-labeled, pre-weighed, air-tight, laboratory-provided glassware with appropriate preservative (either sodium bisulfate-for samples with estimated VOC concentrations less than 200 ppb; or methanol-for samples with estimated VOC concentrations greater than 200 ppb) immediately after sample collection.

After initial screening and sample preparation, a portion of the remaining soil from the sample interval is logged according to its predominant geological characteristics, in accordance with the Unified Soil Classification System (USCS). The sample is further examined for the presence of odors and/or visual evidence of contamination (hydrocarbon or other), and a headspace reading is obtained from a portion of the sample that is allowed to equilibrate to the ambient atmospheric temperature in a dedicated Zip-lock™ bag for approximately 15 minutes,

SUBSURFACE SOIL SAMPLING PROTOCOL

depending upon various factors) using a PID to obtain a maximum field reading. The soil classifications and the results of the headspace screening are described in the report and listed on the soil boring logs.

Any soil samples chosen for possible analysis are packed in appropriate containers, properly labeled, designated for possible analysis, and placed in a cooler on ice for storage immediately after sample packing/preservation has been completed to preserve the integrity of the sample during field activities. The samples are subsequently shipped in a cooler on ice via a delivery service overnight to an independent laboratory under standard chain-of-custody procedures, or are retrieved (on the same day or as soon as practicable) by the contract laboratory. Samples are selected based on the scope of work, field observations (i.e. visual/odor observations, elevated PID readings, etc.), other site-specific conditions, and the judgment of the Pioneer Field Project Geologist/Engineer, and are submitted for possible analysis of the appropriate compounds targeted in the investigation.

Drill cuttings and liquids generated are left at the borehole. All boreholes are decommissioned in accordance with applicable Illinois Department of Public Health guidelines. When required, these spoils are contained in 55-gallon Type 17H drums. Decontamination procedures for the drilling equipment consists of steam cleaning the augers after each boring using a biodegradable detergent and high-pressure steam rinse. The split-spoon samplers are decontaminated between each sample interval by washing in a solution of Alconox and water, and triple rinsing with clean heated water.

Any deviations to or modifications of this standard protocol will be described on a site by site basis.

SUBSURFACE SOIL SAMPLING PROTOCOL (cont.)

Sand Top Soil, Gravel UrbanFill

Sand Top Soil, Graval UrbanFill

Sand and Stone Fill, NoRecovery

Boring Terminated at 3'

<0

<0

<0

2

4

50%

75%

0

No Odor, No Visual

No Odor, No Visual

Fill

Fill

Fill

Completion Notes: Drill Rig:

LUST Incident No:

RecoveryDepthFeet Lithology

Hand Auger

Driller:

Boring No.:

Site:W. 50th street and S. Lawndale AvenueChicago, Illinois

Project Number:

Boring Log

Sample Description

SP-1

14-0207-102

Geologist:

Page 1

PID(ppm)

Water Depth While Drilling: Water Depth After Drilling:

Brian Storce

Date End:

SoilClass

Mark Santangelo

Sample

06/18/14

Date Begin:

Remarks


Small Gravel

Small Gravel

No Recovery

Boring Terminated at 4'

<0

<0

<0

<0

2

4

50%

75%

75%

0%

No Odor, No Visual

No Odor, No Visual

No Odor, No Visual

Fill

Fill

Fill

Fill


LUST Incident No:


Hand Auger

Driller:

Boring No.:


Project Number:

Boring Log

Sample Description

SP-2

14-0207-102

Geologist:

Page 1

PID(ppm)


Brian Storce

Date End:

SoilClass

Mark Santangelo

Sample

06/18/14

Date Begin:

Remarks


Coarse Sand Top Soil, GravalUrban Fill

Small Gravel, Some UrbanFill

No Recovery

Boring Refused at 4'

<0

<0

<0

<0

2

4

25%

50%

75%

0%

No Odor, No Visual

No Odor, No Visual

No Odor, No Visual

Fill

Fill

Fill

Fill


LUST Incident No:


Hand Auger

Driller:

Boring No.:


Project Number:

Boring Log

Sample Description

SP-3

14-0207-102

Geologist:

Page 1

PID(ppm)


Brian Storce

Date End:

SoilClass

Mark Santangelo

Sample

06/18/14

Date Begin:

Remarks

June 26, 2014

Pioneer Environmental Services LLCMark Santangelo

Dear Mark Santangelo:

RE: 14-0207-102

Workorder: 1406B99

FAX: (773) 722-9201TEL: (773) 299-1947

700 N. Sacramento Blvd., Suite 101Chicago, IL 60612

SUBURBAN LABORATORIES, Inc.1950 S. Batavia Ave., Suite 150 Geneva, Illinois 60134Tel. (708) 544-3260 • Toll Free (800) 783-LABSFax (708) 544-8587www.suburbanlabs.com

Suburban Laboratories, Inc. received 3 sample(s) on 6/19/2014 for the analyses presented in the following report.

Kelly Culhane

All data for the associated quality control (QC) met EPA, method, or internal laboratory specifications except where noted in the case narrative. If you are comparing these results to external QC specifications or compliance limits and have any questions, please contact us.

This final report of laboratory analysis consists of this cover letter, case narrative, analytical report, dates report, and any accompanying documentation on, but not limited to, chain of custody records, raw data, and letters of explanation or reliance. This report may not be reproduced, except in full, without the prior written approval of Suburban Laboratories, Inc.

If you have any questions regarding these test results, please call me at (708) 544-3260.

Sincerely,

Project Manager

[email protected] ext 212

Illinois Department of Public Health Accredited #17585 Illinois Environmental Protection Agency Accredited #100225

http://www.suburbanlabs.com

mailto:[email protected]

Case NarrativeSuburban Laboratories, Inc.1950 S. Batavia Ave., Suite 150, Geneva, IL 60134 (708) 544-3260

Project: 14-0207-102Client: Pioneer Environmental Services LLC June 26, 2014Date:

WorkOrder: 1406B99PO #: 14-0207-102

Chain of Custody #: EVQC Level:

Temperature of samples upon receipt at SLI: 4 C

General Comments:- All results reported in wet weight unless otherwise indicated. (dry = Dry Weight)- Sample results relate only to the analytes of interest tested and to sample as received by the laboratory.- Environmental compliance sample results meet the requirements of 35 IAC Part 186 unless otherwise indicated.- Waste water analysis follows the rules set forth in 40 CFR part 136 except where otherwise noted.- Accreditation by the State of Illinois is not an endorsement or a guarantee of the validity of data generated.- For more information about the laboratories' scope of accreditation, please contact us at (708) 544-3260 or the Agency at (217) 782-6455.

Abbreviations:- Reporting Limit: The concentration at which an analyte can be routinely detected on a day to day basis, and which also meets regulatory and client needs. - Quantitation Limit: The lowest concentration at which results can be accurately quantitated.- J: The analyte was positively identified above our Method Detection Limit and is considered detectable and usable; however, the associated numerical value is the approximate concentration of the analyte in the sample.- ATC: Automatic Temperature Correction. - TNTC: Too Numerous To Count- In Laboratory: EPA recommends this analyte be analyzed "immediately" (e.g., tests that should be performed in the field within 15 minutes of collection). Analytes with "immediate" hold times are analyzed as soon as possible upon receipt by the laboratory.- TIC: Tentatively Identified Compound (GCMS library search identification, concentration estimated to nearest internal standard).- SS (Surrogate Standard): Quality control compound added to the sample by the lab.

Method References:For a complete list of method references please contact us.- E: USEPA Reference methods- SW: USEPA, Test Methods for Evaluating Solid Waste (SW-846)- M: Standard Methods for the Examination of Water and Wastewater- USP: Latest version of United States Pharmacopeia

Workorder Specific Comments:

Project Name: 14-0207-102Client ID: Pioneer Environmental Services LLC

Suburban Laboratories, Inc.1950 S. Batavia Ave., Suite 150, Geneva, IL 60134 (708) 544-3260

Laboratory Results

Workorder: 1406B99Report Date: June 26, 2014

Client Sample ID: SP-1Lab ID: 1406B99-001 Date Received: 06/19/2014 4:32 PM Collection Date: 06/18/2014 4:30 PM

Matrix: SOIL

Parameter Result Qual. Units Date AnalyzedDilutionFactor

ReportLimit Batch IDPQL

METALS BY ICP Analyst: jtlMethod: EPA-6010B-Rev 2, Dec-96

Antimony 06/25/2014 11:38 AMmg/Kg-dry 1 22677J1.79 1.505.00Arsenic 06/25/2014 11:38 AMmg/Kg-dry 1 226775.61 1.155.00Barium 06/25/2014 11:38 AMmg/Kg-dry 1 2267740.4 0.1250.250Beryllium 06/25/2014 11:38 AMmg/Kg-dry 1 226770.380 0.03700.250Cadmium 06/25/2014 11:38 AMmg/Kg-dry 1 226770.487 0.07500.250Chromium 06/25/2014 11:38 AMmg/Kg-dry 1 2267710.7 0.06000.250Copper 06/25/2014 11:38 AMmg/Kg-dry 1 2267727.3 0.1500.250Lead 06/25/2014 11:38 AMmg/Kg-dry 1 2267770.7 0.6001.25Nickel 06/25/2014 11:38 AMmg/Kg-dry 1 2267716.3 0.2351.25Selenium 06/25/2014 11:38 AMmg/Kg-dry 1 22677<1.30 1.305.00Silver 06/25/2014 11:38 AMmg/Kg-dry 1 22677<0.0600 0.06000.250Thallium 06/25/2014 11:38 AMmg/Kg-dry 1 22677J0.463 0.4451.25Zinc 06/25/2014 11:38 AMmg/Kg-dry 1 2267780.8 0.07501.25

SEMIVOLATILE ORGANICS, BY GCMS SIM Analyst: lsMethod: EPA-8270C-Rev 3, Dec-96

Acenaphthene 06/21/2014 4:04 AMmg/Kg-dry 1 226350.198 0.04330.0433Acenaphthylene 06/21/2014 4:04 AMmg/Kg-dry 1 22635<0.0433 0.04330.0433Anthracene 06/21/2014 4:04 AMmg/Kg-dry 1 226350.469 0.04330.0433Benzo(a)anthracene 06/21/2014 4:04 AMmg/Kg-dry 1 226352.89 0.04330.0433Benzo(a)pyrene 06/21/2014 4:04 AMmg/Kg-dry 1 226353.13 0.04330.0433Benzo(b)fluoranthene 06/21/2014 4:04 AMmg/Kg-dry 1 226354.18 0.04330.0433Benzo(g,h,i)perylene 06/21/2014 4:04 AMmg/Kg-dry 1 226352.79 0.04330.0433Benzo(k)fluoranthene 06/21/2014 4:04 AMmg/Kg-dry 1 226351.19 0.04330.0433Chrysene 06/21/2014 4:04 AMmg/Kg-dry 1 226353.03 0.04330.0433Dibenzo(a,h)anthracene 06/21/2014 4:04 AMmg/Kg-dry 1 226350.654 0.04330.0433Fluoranthene 06/23/2014 11:01 AMmg/Kg-dry 10 226355.69 0.4330.433Fluorene 06/21/2014 4:04 AMmg/Kg-dry 1 226350.163 0.04330.0433Indeno(1,2,3-cd)pyrene 06/21/2014 4:04 AMmg/Kg-dry 1 226352.17 0.04330.0433Naphthalene 06/21/2014 4:04 AMmg/Kg-dry 1 22635<0.0433 0.04330.0433Phenanthrene 06/21/2014 4:04 AMmg/Kg-dry 1 226352.12 0.04330.0433Pyrene 06/23/2014 11:01 AMmg/Kg-dry 10 226355.04 0.4330.433Internal Quality Control Compounds SS: 2-Fluorobiphenyl 06/21/2014 4:04 AM%REC 1 22635103 72.1-138 SS: 4-Terphenyl-d14 06/21/2014 4:04 AM%REC 1 22635110 45.3-152 SS: Nitrobenzene-d5 06/21/2014 4:04 AM%REC 1 22635102 62.6-144



Laboratory Results



Matrix: SOIL



MERCURY BY CVAA Analyst: jmkMethod: EPA-7471B-Rev 1, Sep-94

Mercury 06/23/2014 5:00 PMmg/Kg-dry 1 226800.263 0.01960.0815

PH (IN LABORATORY) <ATC> Analyst: LAPMethod: EPA-9045C-Rev 3, Jan-95

pH 06/19/2014 6:18 PMpH Units 1 R483738.85

PERCENT MOISTURE Analyst: erwMethod: ASTM-D2216-Rev 2005

Percent Moisture 06/24/2014 7:45 AMwt% 1 R484778.4 1.01.0


Matrix: SOIL





Laboratory Results



Matrix: SOIL




Antimony 06/25/2014 11:44 AMmg/Kg-dry 1 22677J1.69 1.464.85Arsenic 06/25/2014 11:44 AMmg/Kg-dry 1 226779.70 1.124.85Barium 06/25/2014 11:44 AMmg/Kg-dry 1 2267729.7 0.1210.243Beryllium 06/25/2014 11:44 AMmg/Kg-dry 1 226770.434 0.03590.243Cadmium 06/25/2014 11:44 AMmg/Kg-dry 1 226770.544 0.07280.243Chromium 06/25/2014 11:44 AMmg/Kg-dry 1 2267714.0 0.05830.243Copper 06/25/2014 11:44 AMmg/Kg-dry 1 2267732.1 0.1460.243Lead 06/25/2014 11:44 AMmg/Kg-dry 1 2267725.1 0.5831.21Nickel 06/25/2014 11:44 AMmg/Kg-dry 1 2267727.1 0.2281.21Selenium 06/25/2014 11:44 AMmg/Kg-dry 1 22677<1.26 1.264.85Silver 06/25/2014 11:44 AMmg/Kg-dry 1 22677<0.0583 0.05830.243Thallium 06/25/2014 11:44 AMmg/Kg-dry 1 22677J0.642 0.4321.21Zinc 06/25/2014 11:44 AMmg/Kg-dry 1 2267756.9 0.07281.21


Acenaphthene 06/21/2014 4:45 AMmg/Kg-dry 1 226350.0718 0.04310.0431Acenaphthylene 06/21/2014 4:45 AMmg/Kg-dry 1 22635<0.0431 0.04310.0431Anthracene 06/21/2014 4:45 AMmg/Kg-dry 1 226350.193 0.04310.0431Benzo(a)anthracene 06/21/2014 4:45 AMmg/Kg-dry 1 226351.66 0.04310.0431Benzo(a)pyrene 06/21/2014 4:45 AMmg/Kg-dry 1 226351.87 0.04310.0431Benzo(b)fluoranthene 06/21/2014 4:45 AMmg/Kg-dry 1 226352.52 0.04310.0431Benzo(g,h,i)perylene 06/21/2014 4:45 AMmg/Kg-dry 1 226351.65 0.04310.0431Benzo(k)fluoranthene 06/21/2014 4:45 AMmg/Kg-dry 1 226350.917 0.04310.0431Chrysene 06/21/2014 4:45 AMmg/Kg-dry 1 226351.77 0.04310.0431Dibenzo(a,h)anthracene 06/21/2014 4:45 AMmg/Kg-dry 1 226350.392 0.04310.0431Fluoranthene 06/21/2014 4:45 AMmg/Kg-dry 1 226352.48 0.04310.0431Fluorene 06/21/2014 4:45 AMmg/Kg-dry 1 226350.0548 0.04310.0431Indeno(1,2,3-cd)pyrene 06/21/2014 4:45 AMmg/Kg-dry 1 226351.30 0.04310.0431Naphthalene 06/21/2014 4:45 AMmg/Kg-dry 1 22635<0.0431 0.04310.0431Phenanthrene 06/21/2014 4:45 AMmg/Kg-dry 1 226350.809 0.04310.0431Pyrene 06/21/2014 4:45 AMmg/Kg-dry 1 226352.39 0.04310.0431Internal Quality Control Compounds SS: 2-Fluorobiphenyl 06/21/2014 4:45 AM%REC 1 22635105 72.1-138 SS: 4-Terphenyl-d14 06/21/2014 4:45 AM%REC 1 22635110 45.3-152 SS: Nitrobenzene-d5 06/21/2014 4:45 AM%REC 1 22635101 62.6-144



Laboratory Results



Matrix: SOIL






pH 06/19/2014 6:22 PMpH Units 1 R483738.39




Matrix: SOIL





Laboratory Results



Matrix: SOIL




Antimony 06/25/2014 11:50 AMmg/Kg-dry 1 22677J2.21 1.505.00Arsenic 06/25/2014 11:50 AMmg/Kg-dry 1 226775.70 1.155.00Barium 06/25/2014 11:50 AMmg/Kg-dry 1 2267759.9 0.1250.250Beryllium 06/25/2014 11:50 AMmg/Kg-dry 1 226770.522 0.03700.250Cadmium 06/25/2014 11:50 AMmg/Kg-dry 1 226770.772 0.07500.250Chromium 06/25/2014 11:50 AMmg/Kg-dry 1 2267714.4 0.06000.250Copper 06/25/2014 11:50 AMmg/Kg-dry 1 2267741.5 0.1500.250Lead 06/25/2014 11:50 AMmg/Kg-dry 1 22677127 0.6001.25Nickel 06/25/2014 11:50 AMmg/Kg-dry 1 2267722.7 0.2351.25Selenium 06/25/2014 11:50 AMmg/Kg-dry 1 22677<1.30 1.305.00Silver 06/25/2014 11:50 AMmg/Kg-dry 1 22677<0.0600 0.06000.250Thallium 06/25/2014 11:50 AMmg/Kg-dry 1 22677J1.02 0.4451.25Zinc 06/25/2014 11:50 AMmg/Kg-dry 1 22677213 0.07501.25


Acenaphthene 06/21/2014 5:25 AMmg/Kg-dry 1 22635<0.0426 0.04260.0426Acenaphthylene 06/21/2014 5:25 AMmg/Kg-dry 1 22635<0.0426 0.04260.0426Anthracene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.0917 0.04260.0426Benzo(a)anthracene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.762 0.04260.0426Benzo(a)pyrene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.945 0.04260.0426Benzo(b)fluoranthene 06/21/2014 5:25 AMmg/Kg-dry 1 226351.18 0.04260.0426Benzo(g,h,i)perylene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.873 0.04260.0426Benzo(k)fluoranthene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.462 0.04260.0426Chrysene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.854 0.04260.0426Dibenzo(a,h)anthracene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.196 0.04260.0426Fluoranthene 06/21/2014 5:25 AMmg/Kg-dry 1 226351.14 0.04260.0426Fluorene 06/21/2014 5:25 AMmg/Kg-dry 1 22635<0.0426 0.04260.0426Indeno(1,2,3-cd)pyrene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.690 0.04260.0426Naphthalene 06/21/2014 5:25 AMmg/Kg-dry 1 22635<0.0426 0.04260.0426Phenanthrene 06/21/2014 5:25 AMmg/Kg-dry 1 226350.385 0.04260.0426Pyrene 06/21/2014 5:25 AMmg/Kg-dry 1 226351.08 0.04260.0426Internal Quality Control Compounds SS: 2-Fluorobiphenyl 06/21/2014 5:25 AM%REC 1 22635102 72.1-138 SS: 4-Terphenyl-d14 06/21/2014 5:25 AM%REC 1 22635106 45.3-152 SS: Nitrobenzene-d5 06/21/2014 5:25 AM%REC 1 22635100 62.6-144



Laboratory Results



Matrix: SOIL






pH 06/19/2014 6:24 PMpH Units 1 R483738.22



Sample ID Collection Date Prep Date

PREP DATES REPORT

Lab Order: 1406B99Client: Pioneer Environmental Services LLCProject: 14-0207-102

Prep Test Name TCLP Date

1950 S. Batavia Ave., Suite 150, Geneva, IL 60134 (708) 544-3260Suburban Laboratories, Inc.

June 26, 2014Report Date:

Prep MethodBatch ID1406B99-001C 6/18/2014 4:30:00 P Mercury Prep for Solids 6/23/201422680 HG_SPR

SOLID PREP SONICATION: BNA

6/20/201422635 3550SIM_B

SOLID PREP TOTAL METALS: ICP

6/23/201422677 200.2_ICP_PR

1406B99-002C 6/18/2014 4:50:00 P Mercury Prep for Solids 6/23/201422680 HG_SPRSOLID PREP SONICATION: BNA

6/20/201422635 3550SIM_B


6/23/201422677 200.2_ICP_PR

1406B99-003C 6/18/2014 5:15:00 P Mercury Prep for Solids 6/23/201422680 HG_SPRSOLID PREP SONICATION: BNA

6/20/201422635 3550SIM_B


6/23/201422677 200.2_ICP_PR

6/26/2014

Qualifier Definitions1406B99

Date:WO#:


Qualifiers:*/x Value exceeds Maximum Contaminant LevelB Analyte detected in the associated Method Blankc Analyte not in SLI scope of accreditationE Estimated, detected above quantitation rangeG Refer to case narrative page for specific commentsH Holding times for preparation or analysis exceededJ Analyte detected below quantitation limit (QL)N Tentatively identified compoundsND Not Detected at the Reporting LimitP PresentR RPD outside accepted recovery limitsS Spike Recovery outside accepted recovery limits

July 09, 2014

Pioneer Environmental Services LLCMark Santangelo

Dear Mark Santangelo:

RE: 14-0207-102

Workorder: 1407009

FAX: (773) 722-9201TEL: (773) 299-1947

700 N. Sacramento Blvd., Suite 101Chicago, IL 60612

SUBURBAN LABORATORIES, Inc.1950 S. Batavia Ave., Suite 150 Geneva, Illinois 60134Tel. (708) 544-3260 • Toll Free (800) 783-LABSFax (708) 544-8587www.suburbanlabs.com

Suburban Laboratories, Inc. received 1 sample(s) on 6/19/2014 for the analyses presented in the following report.

Kelly Culhane

All data for the associated quality control (QC) met EPA, method, or internal laboratory specifications except where noted in the case narrative. If you are comparing these results to external QC specifications or compliance limits and have any questions, please contact us.

This final report of laboratory analysis consists of this cover letter, case narrative, analytical report, dates report, and any accompanying documentation on, but not limited to, chain of custody records, raw data, and letters of explanation or reliance. This report may not be reproduced, except in full, without the prior written approval of Suburban Laboratories, Inc.

If you have any questions regarding these test results, please call me at (708) 544-3260.

Sincerely,

Project Manager

[email protected] ext 212

Illinois Department of Public Health Accredited #17585 Illinois Environmental Protection Agency Accredited #100225

Rpt Ver: Kelly 7/9/2014 8:20 AM 1 of 13

http://www.suburbanlabs.com

mailto:[email protected]

Case NarrativeSuburban Laboratories, Inc.1950 S. Batavia Ave., Suite 150, Geneva, IL 60134 (708) 544-3260

Project: 14-0207-102Client: Pioneer Environmental Services LLC July 09, 2014Date:

WorkOrder: 1407009PO #: 14-0207-102



General Comments:- All results reported in wet weight unless otherwise indicated. (dry = Dry Weight)- Sample results relate only to the analytes of interest tested and to sample as received by the laboratory.- Environmental compliance sample results meet the requirements of 35 IAC Part 186 unless otherwise indicated.- Waste water analysis follows the rules set forth in 40 CFR part 136 except where otherwise noted.- Accreditation by the State of Illinois is not an endorsement or a guarantee of the validity of data generated.- For more information about the laboratories' scope of accreditation, please contact us at (708) 544-3260 or the Agency at (217) 782-6455.- All water analyses that are required to be performed in the field (e.g., pH, residual chlorine, sulfite, temperature, etc.) but are analyzed in the lab are identified as "in lab" and are considered past holding time. Following industry practices these results do not contain an "H" flag but are qualified as being analyzed in the lab.

Abbreviations:- Reporting Limit: The concentration at which an analyte can be routinely detected on a day to day basis, and which also meets regulatory and client needs. - Quantitation Limit: The lowest concentration at which results can be accurately quantitated.- J: The analyte was positively identified above our Method Detection Limit and is considered detectable and usable; however, the associated numerical value is the approximate concentration of the analyte in the sample.- ATC: Automatic Temperature Correction. - TNTC: Too Numerous To Count- TIC: Tentatively Identified Compound (GCMS library search identification, concentration estimated to nearest internal standard).- SS (Surrogate Standard): Quality control compound added to the sample by the lab.

Method References:For a complete list of method references please contact us.- E: USEPA Reference methods- SW: USEPA, Test Methods for Evaluating Solid Waste (SW-846)- M: Standard Methods for the Examination of Water and Wastewater- USP: Latest version of United States Pharmacopeia

Workorder Specific Comments:

Semivolatiles:Sample 1407009-001C: S=The MS percent recovery for 2,4,6-Trichlorophenol (31.14%) was outside laboratory control limits (37% - 144%).

Cyanide Reactive


Project: 14-0207-102Client: Pioneer Environmental Services LLC July 09, 2014Date:

WorkOrder: 1407009PO #: 14-0207-102



1407009-001DG = Samples subcontracted to STAT Analysis Corp. (IEPA ELAP 100445; ORELAP IL300001; AIHA 101160; NVLAP Lab Code 101202) , for some of the analysis requested.




Laboratory Results

Workorder: 1407009Report Date: July 09, 2014

Client Sample ID: SP-1Lab ID: 1407009-001 Date Received: 06/19/2014 4:32 PM Collection Date: 06/18/2014 4:30 PM

Matrix: SOIL



SEMIVOLATILES, TCLP LEACHED Analyst: lsMethod: EPA-1311/8270C-Rev 3, Dec-96

1,4-Dichlorobenzene 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.1002,4,5-Trichlorophenol 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.1002,4,6-Trichlorophenol 07/07/2014 3:48 PMmg/L 1 22894S<0.100 0.1000.1002,4-Dinitrotoluene 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Hexachlorobenzene 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Hexachlorobutadiene 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Hexachloroethane 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100m,p-Cresol 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Nitrobenzene 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100O-Cresol 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Pentachlorophenol 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Pyridine 07/07/2014 3:48 PMmg/L 1 22894<0.100 0.1000.100Internal Quality Control Compounds SS: 2,4,6-Tribromophenol 07/07/2014 3:48 PM%REC 1 2289457.5 10-190 SS: 2-Fluorobiphenyl 07/07/2014 3:48 PM%REC 1 2289465.4 37.7-110 SS: 2-Fluorophenol 07/07/2014 3:48 PM%REC 1 2289440.8 11.1-127 SS: Nitrobenzene-d5 07/07/2014 3:48 PM%REC 1 2289474.0 27.2-110 SS: Phenol-d6 07/07/2014 3:48 PM%REC 1 2289446.9 9.97-133

METALS BY ICP, TCLP LEACHED Analyst: jtlMethod: EPA-1311/6010B-Rev 2, Dec-96

Arsenic 07/07/2014 3:39 PMmg/L 1 22880<0.020 0.0200.025Barium 07/03/2014 6:10 PMmg/L 1 22880<0.50 0.500.50Cadmium 07/07/2014 3:39 PMmg/L 1 22880J0.0019 0.00100.0050Chromium 07/03/2014 6:10 PMmg/L 1 22880<0.0050 0.00500.0050Lead 07/07/2014 3:39 PMmg/L 1 22880J0.0084 0.00670.050Selenium 07/07/2014 3:39 PMmg/L 1 22880<0.025 0.0250.050Silver 07/03/2014 6:10 PMmg/L 1 22880<0.0020 0.00200.0025

VOLATILES, TCLP LEACHED Analyst: lsMethod: EPA-1311/8260B-Rev 2, Dec-96

1,1-Dichloroethene 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.1001,2-Dichloroethane 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.1002-Butanone 07/05/2014 11:27 PMmg/L 100 22856<0.500 0.5000.500Benzene 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100Carbon tetrachloride 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100Chlorobenzene 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100




Laboratory Results



Matrix: SOIL



VOLATILES, TCLP LEACHED Analyst: lsMethod: EPA-1311/8260B-Rev 2, Dec-96

Chloroform 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100Tetrachloroethene 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100Trichloroethene 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100Vinyl chloride 07/05/2014 11:27 PMmg/L 100 22856<0.100 0.1000.100Internal Quality Control Compounds SS: 4-Bromofluorobenzene 07/05/2014 11:27 PM%REC 100 2285698.4 70-130 SS: Dibromofluoromethane 07/05/2014 11:27 PM%REC 100 22856101 70-130 SS: Toluene-d8 07/05/2014 11:27 PM%REC 100 22856101 70-130

PCBS Analyst: mnMethod: EPA-8082-Rev 0, Dec-96

Aroclor 1016 07/03/2014 6:31 PMmg/Kg-dry 1 22842<0.0181 0.01810.0181Aroclor 1221 07/03/2014 6:31 PMmg/Kg-dry 1 22842<0.0181 0.01810.0181Aroclor 1232 07/03/2014 6:31 PMmg/Kg-dry 1 22842<0.0181 0.01810.0181Aroclor 1242 07/03/2014 6:31 PMmg/Kg-dry 1 22842<0.0181 0.01810.0181Aroclor 1248 07/03/2014 6:31 PMmg/Kg-dry 1 22842<0.0181 0.01810.0181Aroclor 1254 07/03/2014 6:31 PMmg/Kg-dry 1 22842<0.0181 0.01810.0181Aroclor 1260 07/03/2014 6:31 PMmg/Kg-dry 1 228420.0416 0.01810.0181Internal Quality Control Compounds SS: Tetrachloro-m-xylene 07/03/2014 6:31 PM%REC 1 2284278.8 33.7-156

VOLATILE ORGANIC COMPOUNDS Analyst: JJMethod: EPA-8260B-Rev 2, Dec-96

1,1,1-Trichloroethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,1,2,2-Tetrachloroethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,1,2-Trichloroethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,1-Dichloroethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,1-Dichloroethene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,2-Dibromo-3-chloropropane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,2-Dichlorobenzene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,2-Dichloroethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,2-Dichloropropane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,3-Dichlorobenzene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001181,4-Dichlorobenzene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.001182-Butanone 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0118 0.01180.01182-Chloroethyl vinyl ether 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0118 0.01180.01182-Hexanone 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0296 0.02960.02964-Methyl-2-pentanone 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0296 0.02960.0296




Laboratory Results



Matrix: SOIL



VOLATILE ORGANIC COMPOUNDS Analyst: JJMethod: EPA-8260B-Rev 2, Dec-96

Acetone 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0296 0.02960.0296Acrolein 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0296 0.02960.0296Acrylonitrile 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.0296 0.02960.0296Benzene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.000296 0.0002960.000296Bromodichloromethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Bromoform 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Bromomethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Carbon disulfide 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Carbon tetrachloride 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Chlorobenzene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Chloroethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Chloroform 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Chloromethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118cis-1,2-Dichloroethene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118cis-1,3-Dichloropropene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Dibromochloromethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Dichlorodifluoromethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Ethylbenzene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R487920.00138 0.001180.00118m,p-Xylene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R487920.00319 0.002370.00237Methyl tert-butyl ether 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Methylene chloride 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00591 0.005910.00591o-Xylene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R487920.00148 0.001180.00118Total Xylenes 07/02/2014 1:45 PMmg/Kg-dry 1.08 R487920.00467 0.002370.00237Styrene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Tetrachloroethene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00237 0.002370.00237Toluene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00237 0.002370.00237trans-1,2-Dichloroethene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118trans-1,3-Dichloropropene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Trichloroethene 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Trichlorofluoromethane 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Vinyl chloride 07/02/2014 1:45 PMmg/Kg-dry 1.08 R48792<0.00118 0.001180.00118Internal Quality Control Compounds SS: 4-Bromofluorobenzene 07/02/2014 1:45 PM%REC 1.08 R4879284.9 61.55-121 SS: Dibromofluoromethane 07/02/2014 1:45 PM%REC 1.08 R4879289.9 71.4-147 SS: Toluene-d8 07/02/2014 1:45 PM%REC 1.08 R4879293.3 61-135

SEMIVOLATILE ORGANICS (BNAS) Analyst: lsMethod: EPA-8270C-Rev 3, Dec-96




Laboratory Results



Matrix: SOIL




1,2,4-Trichlorobenzene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2701,2-Dichlorobenzene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2701,3-Dichlorobenzene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2701,4-Dichlorobenzene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,4,5-Trichlorophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,4,6-Trichlorophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,4-Dichlorophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,4-Dimethylphenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,4-Dinitrophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,4-Dinitrotoluene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702,6-Dinitrotoluene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702-Chloronaphthalene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702-Chlorophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702-Methylnaphthalene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702-Nitroaniline 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2702-Nitrophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2703,3-Dichlorobenzidine 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2703-Nitroaniline 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704,6-Dinitro-2-methylphenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704-Bromophenyl phenyl ether 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704-Chloro-3-methylphenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704-Chloroaniline 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704-Chlorophenyl phenyl ether 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704-Nitroaniline 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.2704-Nitrophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Bis(2-chloroethoxy)methane 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Bis(2-chloroethyl)ether 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Bis(2-chloroisopropyl)ether 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Bis(2-ethylhexyl)phthalate 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Butyl benzyl phthalate 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Carbazole 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Dibenzofuran 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Diethyl phthalate 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Dimethyl phthalate 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Di-n-butyl phthalate 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Di-n-octyl phthalate 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Hexachlorobenzene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270




Laboratory Results



Matrix: SOIL




Hexachlorobutadiene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Hexachlorocyclopentadiene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Hexachloroethane 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Isophorone 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270m,p-Cresol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Nitrobenzene 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270N-Nitroso-di-n-propylamine 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270N-Nitrosodiphenylamine 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270o-Cresol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Pentachlorophenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Phenol 07/07/2014 9:02 PMmg/Kg-dry 1 22852<0.270 0.2700.270Internal Quality Control Compounds SS: 2,4,6-Tribromophenol 07/07/2014 9:02 PM%REC 1 2285286.5 0.1-136 SS: 2-Fluorobiphenyl 07/07/2014 9:02 PM%REC 1 2285280.3 16.3-118 SS: 2-Fluorophenol 07/07/2014 9:02 PM%REC 1 2285269.9 4.2-97 SS: 4-Terphenyl-d14 07/07/2014 9:02 PM%REC 1 2285291.7 0.1-147 SS: Nitrobenzene-d5 07/07/2014 9:02 PM%REC 1 2285279.3 0.1-119 SS: Phenol-d5 07/07/2014 9:02 PM%REC 1 2285272.7 9.82-111

CYANIDE, REACTIVE Analyst: kacMethod:

Reactive Cyanide 07/02/2014 12:00 AMmg/Kg 1 R48957G<1.0 1.01.0

FLASH POINT, OPEN CUP Analyst: LAPMethod: ASTM-D92-Rev 2002b

Flash Point 07/08/2014 4:45 PM°F 1 R49003c>212 00

MERCURY BY CVAA, TCLP Analyst: jmkMethod: EPA-1311/7470A-Rev 1, Sep-94

Mercury 07/08/2014 10:57 AMmg/L 1 22923<0.0002 0.00020.0005

PAINT FILTER Analyst: LAPMethod: EPA-9095A-Rev 1, Dec-96

Free Liquids 07/08/2014 4:45 PMPass/Fail 1 R49003cPass 00

PHENOLICS Analyst: mklMethod: EPA-9065-Rev 0, Sep-86

Phenolics, Total Recoverable 07/08/2014 10:00 AMmg/kg-dry 49.9 R48965c<0.273 0.2730.273





Laboratory Results



Matrix: SOIL






Sample ID Collection Date Prep Date

PREP DATES REPORT

Lab Order: 1407009Client: Pioneer Environmental Services LLCProject: 14-0207-102

Prep Test Name TCLP Date

1950 S. Batavia Ave., Suite 150, Geneva, IL 60134 (708) 544-3260Suburban Laboratories, Inc.

July 09, 2014Report Date:

Prep MethodBatch ID1407009-001A 6/18/2014 4:30:00 P CLOSED SYSTEM P&T VOC

Prep7/1/201422863 5035PR

1407009-001C AQUEOUS PREP TOTAL METALS: ICP

7/2/201422880 200.2_ICPT_PR

MERCURY PREP for TCLP / SPLP

7/7/201422923 HG_TPR

SOLID PREP SONICATION: BNA

7/1/201422852 3550_B

SOLID PREP SONICATION: PCB

7/1/201422842 3550_PCB

TCLP AQ. PREP SEP FUNNEL: BNA

7/3/201422894 3510_B_T

TCLP SAMPLE PREP ZHE (VOCS)

7/1/201422856 1311ZHE

TCLP SAMPLE PREP (Metals)

7/1/201422853 1311LM

TCLP SAMPLE PREP (Organics)

7/1/201422854 1311LO


7/8/2014

Qualifier Definitions1407009

Date:WO#:


Qualifiers:*/x Value exceeds Maximum Contaminant LevelB Analyte detected in the associated Method Blankc Analyte not in SLI scope of accreditationE Estimated, detected above quantitation rangeG Refer to case narrative page for specific commentsH Holding times for preparation or analysis exceededJ Analyte detected below quantitation limit (QL)N Tentatively identified compoundsND Not Detected at the Reporting LimitP PresentR RPD outside accepted recovery limitsS Spike Recovery outside accepted recovery limits


Rpt Ver: Kelly 7/9/2014 8:20 AM13 of 13

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