915-21 ust site assessment report

UST SYSTEM REMOVAL OSFM SITE ASSESSMENT REPORT

UST SYSTEM REMOVAL

OSFM SITE ASSESSMENT REPORT COMMUNITY CONSOLIDATED SCHOOL DISTRICT 181

THE LANE ELEMENTARY SCHOOL 500 NORTH ELM STREET

HINSDALE, DUPAGE COUNTY, ILLINOIS IES PROJECT NO. 915-21

Integrity

Cover Logo

INTEGRITY ENVIRONMENTAL SERVICES, INC.

1240 IROQUOIS DRIVE SUITE 102

NAPERVILLE, IL 60563

630-718-9133 FAX 630-718-9114

August 8, 2017 C-12250 Mr. Mike Duggan Director of Facilities Community Consolidated School District 181 115 West 55th Street Clarendon Hills, Illinois 60514 Dear Mr. Duggan: UST System Removal Site Assessment Report The Lane Elementary School 500 North Elm Street Hinsdale, Illinois IES No. 915-21 This Report has been prepared based on observations made and documentation gathered or obtained by Integrity Environmental Services, Inc. during and after the above referenced underground storage tank (UST) system Site Assessment project. The results of this Site Assessment work are included in this Report and are intended to satisfy the requirements of the Office of the State Marshal for a UST system removal. If you have any questions, please feel free to contact the undersigned at (630) 718-9133. INTEGRITY ENVIRONMENTAL SERVICES, INC. Benjamin Kelderhouse, P.E. Vice-President, Environmental Division MJR/ks

Integrity

Sig

Results: No Contamination

IEMA #: 20170581

Title: Professional Engineer

Expiration Date: 11/30/2017

Phone Number: (630) 718-9133

OFFICE OF THE ILLINOIS STATE FIRE MARSHAL

Site Assessment Results Report

Owner Name Community ConsolidatedSchool District 181

Address 115 W. 55th St.

Clarendon Hills, IL60514

Contact Person Michael DugganPhone Number (630) 861-4900

Owner - U0038791Facility Name The Lane Elementary

SchoolAddress 500 N. Elm St.

Hinsdale, IL 60514County Du Page


Facility - 2046398

Tank # Capacity in Gallons Product Date Last Used Status Date Removed/Abandoned1 8000 Heating Oil 12/31/1973 Exempt from registration 07/05/2017

Purpose of the Site Assessment: Tank Removal

Permit Number: 00659-2017REM

Date Release Reported: 07/05/2017

Remarks: All analytical results below TACO Objectives

Under the penalties as provided by law pursuant to Section 1-109 of the Code of Civil Procedure, the undersigned certifiesthat the statements set forth in this instrument are true and correct, except as to matters stated to be on information andbelief and as to such matters the undersigned certifies as aforesaid that he/she verily believes the same to be true.

By checking this box, I certify that the sampling done herein complies with all requirements for the number and location ofsampling pursuant to 35 Ill. Adm. Code 734.210 and, for any soil borings, with 35 Ill. Adm. Code 734.425 and 734.435, asincorporated into the rules and regulations of the Office of the State Fire Marshal as required by 176.330(a)&(b).

Name: Benjamin Kelderhouse

License #: 062182182

Company: Integrity Environmental Services, Inc.

Attached Documents915-21 UST Site Assessment Report.pdf

Submitted Date & Time: 8/8/2017 7:38:13 PM

TABLE OF CONTENTS


COMMUNITY CONSOLIDATED SCHOOL DISTRICT 181 THE LANE ELEMENTARY SCHOOL

500 NORTH ELM STREET HINSDALE, DUPAGE COUNTY, ILLINOIS

IES PROJECT NO. 915-21

1. PROJECT NARRATIVE 2. EXHIBITS

A. UST AREA/SOIL SAMPLE LOCATION DRAWING

B. OSFM DOCUMENTS

C. SOIL AND LIQUID WASTE MANIFESTS

D. SOIL SAMPLE ANALYTICAL DATA

E. PHOTOGRAPHIC DOCUMENTATION

Integrity Environmental Services, Inc.


SECTION 1

1

PROJECT NARRATIVE


COMMUNITY CONSOLIDATED SCHOOL DISTRICT 181 THE LANE ELEMENTARY SCHOOL

500 NORTH ELM STREET HINSDALE, DUPAGE COUNTY, ILLINOIS

IES PROJECT NO. 915-21

The following paragraphs provide a narrative description of the removal of one (1), 8,000-gallon heating oil underground storage tank (UST) system from the above referenced Community Consolidated School District 181 (CCSD 181) Lane Elementary School property, located at 500 North Elm Street, Hinsdale, DuPage County, Illinois. The UST was located near the southwest corner of the school property. Refer to Section 2, Exhibit A for UST Area/Soil Sample Location Drawing. R.W. Collins Company (Collins), a State-registered tank removal contractor, was retained by CCSD 181 to remove the UST. Integrity Environmental Services, Inc. (IES), an environmental consulting and engineering firm, was retained by CCSD 181 to provide environmental services for the UST system removal and to document the environmental condition of the surrounding soils, as required by the regulations of the Office of the State Fire Marshal (OSFM). Refer to Section 2, Exhibit B for the OSFM Removal documents (tank removal permit, tank destruction cert, and notification form). On July 5, 2017, using a back-hoe excavator, Collins begin the tank removal process by exposing the UST in the presence of the OSFM inspector, Mr. Bob Kowalski. The existing UST backfill materials (primarily a sand backfill with silt and clay native material) were stockpiled directly west of the tank excavation area. Once the tank was exposed and prior to its removal from the ground, excess product in the tank was pumped out by HazChem Environmental Corporation, a licensed special liquid waste hauler. A total of 5,500 gallons of product was removed from the UST. Refer to Section 2, Exhibit C for the liquid waste manifest. Prior to disturbing the UST, Collins displaced the oxygen in the tank so the interior could be tested for Lower Explosive Limit (LEL) levels. In the presence of the OSFM inspector, the LEL was recorded to be 0%. After testing and confirming the LEL, the remaining backfill material around the UST was excavated and the UST was lifted from the excavation and temporarily staged to the southwest of the tank excavation pit. The UST was then cut open for access and cleaned by Collins personnel. Once the tank had been cleaned, it was placed in a trailer for off-site disposal.


500 N Elm Street, Hinsdale, Illinois IES No. 915-21

2

As required, the OSFM inspector and the IES representative inspected the integrity of the 8,000-gallon heating oil UST and its excavation. The OSFM inspector, Mr. Kowalski, indicated that a petroleum release had occurred in association with this tank system due to the presence of petroleum odors in the backfill material. As a result, and as instructed by Mr. Kowalski, the IES representative contacted the Illinois Emergency Management Agency (IEMA) to obtain an incident number. IEMA subsequently assigned Incident No. 2017-0581 to the site and this tank removal. A small amount of backfill material (11.96 tons) from the bottom of the excavation that appeared to have a petroleum odor was loaded onto a small dump truck and sent to Waste Management’s Laraway Landfill in Joliet, Illinois for disposal. Refer to Section 2, Exhibit C for the soil manifest. As required by Title 41 of the Illinois Administrative Code (IAC), Part 176.360 of the OSFM regulations a Site Assessment was performed following the removal of tank by collecting soil samples for laboratory analysis. A total of eight (8) soil samples were obtained from the walls and floor of the excavation in accordance with the Illinois Environmental Protection Agency's (IEPA's) 20-foot grid sampling protocol. The soil samples were also screened with a photoionization detector (PID) for petroleum vapors. No elevated PID readings were detected in any of the soil samples collected. All soil samples were analyzed for Benzene, Toluene, Ethylbenzene, and Total Xylenes (BTEX) and Polynuclear Aromatic Compounds (PNAs) concentrations, the required indicator contaminant analysis for heating oil. The location of these soil samples and their designations can be viewed in Section 2, Exhibit B, UST Area/Soil Sample Location Drawing. The analytical results show several PNA compound concentrations in four (4) of the samples collected that were above the laboratory method detection limits, but all the concentrations were below the IEPA's most stringent Tier 1 Tiered Approach to Corrective Action (TACO) Soil Remediation Objectives (SROs). The analytical results do not support Mr. Kowalski's designation that a UST petroleum release occurred. Refer to Section 2, Exhibit D for the soil sample analytical data. Photographic documentation is included in this Report In Section 2, Exhibit E.



SECTION 2


EXHIBIT A

UST SYSTEM REMOVAL WORKCCSD 181 - THE LANE SCHOOL500 NORTH ELM STREETHINSDALE, ILLINOIS

NORTH

8,000-GALLONHEATING OIL UST

VENT LINE RISER

CONCRETE MANWAYVAULT ABOVE UST

THE LANE SCHOOL

CONCRETE SIDEWALK

F

AH

B

C

DG

E

LARGE OAKTREE

APPROX. EXTENT OFEXCAVATION

THE LANE

MECHANICAL ANDA/C UNIT ENCLOSURE

GRASS

GRASS


EXHIBIT B

(1) (2)

(a)

(b)

(c)

(d)

(e)

(f)

(3)

(4)

(5)

(6)

cc:

Office of the Illinois State Fire MarshalDivision of Petroleum and Chemical Safety

1035 Stevenson DriveSpringfield, IL 62703

2177851020

FOR OFFICE USE ONLYFacility # 2046398Permit # 00659-2017REMRequest Rec'd 06/08/2017Amended Date Approval Date 6/12/2017 SBPermit Expires 12/12/2017

Permit for REMOVAL of Underground Storage Tank(s) and Piping for Petroleum and Hazardous Substances.Permission to remove underground storage tank(s) or piping is hereby granted. Such removal shall not commence until the contractor the permit wasissued to or an employee of that contractor (this does not include a subcontractor) shall establish a date certain to perform the UST activity bycontacting the Office of the State Fire Marshal, Division of Petroleum and Chemical Safety, at which time the UST activity shall be scheduled. THISPERMIT IS VALID FOR SIX MONTHS FROM THE APPROVAL DATE.

OWNER OF TANKS - Corporation, partnership, or other businessentity:

Community Consolidated School District 181115 W. 55th St.Clarendon Hills, IL 60514

Contact: Michael Duggan (630) 861-4900

FACILITY - name and address where tanks are located:

The Lane Elementary School500 N. Elm St.Hinsdale, IL 60514

Contact: Michael Duggan (630) 861-4900

REMOVAL OF TANKS:

Number and size of tanks being removed: (TK # 1) - 8,000

Description/location of piping being removed:

Product to be stored in each tank: (TK # 1) - Heating Oil

Reason of tanks being removed:

If tank(s) is leaking, indicate IEMA incident number:

Date each tank was last used: (TK # 1) - 12/31/1973

The owner must notify this Office when completion of tank removal has occurred, on the Notification for Underground Storage Tank Form.This form can be obtained at www.sfm.illinois.gov or by calling (217)785-1020. After removal is completed, the owner/operator shall performa site assessment by measuring for the presence of a release where contamination is most likely to be present at the UST site. This is inaccordance with the Illinois Administrative Code 176.360 (a) regulations and 40 CFR Part 280.72 (a) Federal Register Requirement.

SPECIAL CONTINGENCIES :

PERSON, FIRM OR COMPANY PERFORMING WORK:

RW Collins Company7225 West 66th StreetChicago, IL 60638

Contact Person: Mike ZiwerPhone: (708) 458-6868Contractor Registration # IL772 Exp. 2/9/2018

Sincerely,

Shelly Bradley

Storage Tank Safety SpecialistDivision File


Office of the Illinois State Fire MarshalDivision of Petroleum and Chemical Safety

1035 Stevenson DriveSpringfield, Illinois 62703-4259

Notification Form for Underground Storage Tanks

• A separate form must be used for each site.

• If you have more than five tanks, photocopy pages 1-5 and attach to this notification form.

• Please type, or print in ink; the signature under "certification" (section IX) must be signed in Ink.

II. Location of Tank(s)

Current Owner of TanksDate Purchased

Notification for Underground Storage Tanks OFFICE USE ONLY

Tanks Upgraded/Repaired (Permit # )Tank(s) Removed (Permit # )

Other

Abandonment Notice (Permit # )

Tanks Installed (Permit # )

Tanks Relined (Permit # )

TYPE OF NOTIFICATION

Facility I.D. # (if known)

Amended (Changes/Corrections/Additional Tanks)New Facility

Owner I.D. # (if known)

Mark all that apply:

New Owner Owner Address Change (all facilities owned)

Owner Address Change (this facility only)

I. Ownership of Tank(s)

Owner Name (Corp., Individual., Public Agency or other Entity)

Mailing Address

City State Zip

County

Contact Name (Area Code) Phone Contact Name (Area Code) Phone

County

City State Zip

Street Address or State Road, as applicable (exact address)

Facility Name or Company Site Identifier, as applicable

III. TYPE OF OWNERSHIP (mark all that apply)

Former Owner

Ownership Uncertain

Other

ID NUMBER

DATE RECEIVED

(if same as Section I, Mark box)

IV. TYPE OF FACILITYType of Facility: (Circle correct code)

A. Service Station G. Industrial/Manufacturing M. City/Town S. Port DistrictB. Bulk Plant H. Private Institution N. County T. Utility DistrictC. Petroleum Distributor I. Residence (Non-Farm) O. State U. Fire Dept.D. Convenience Store J. Farm P. Federal (Military) V. Other Special E. Auto Dealer K. Airport Q. Federal (Non-Military) Service DistrictsF. Commercial/Retail L. Marina R. School District W. Other

(Please Specify)

IL

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Sticky Note

fill out sections III & IV

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2046398

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00659-2017REM

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Community Consolidated School District 181 The Lane Elementary School

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115 W. 55th St. 500 N. Elm St.

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Clarendon Hills, IL 60514 Hinsdale, IL 60514

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DuPage

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Michael Duggan (630) 861-4900 Michael Duggan (630) 861-4900

4. Abandoned in PlaceDate tanks filledTank filled with:

Inert materials (sand, etc.)WaterUnknownOther (please specify)

7. Substances Currently or Last Stored:

PetroleumDieselKeroseneGasoline Used oil Other (Please specify)

Petroleum Use (if applicable):Heating oil (consumptive use on premises)Back-up generatorOther (please specify)

Hazardous Substance:Name of principal CERCLA substance

Chemical Abstract Service (CAS No)

V. Description of Underground Storage Tanks (Complete entire column for each tank)

1. Status of Tanks Currently in use

Temporarily out of use(Section 2 must be completed)

Permanently out of use(Section 2 must be completed)

Removed(Section 3 must be completed)

Abandoned in place(Section 4 must be completed)

Tank Identification Number Tank No.Tank No.Tank No.Tank No.Tank No.

2. Tanks Permanently & Temporarily Out of UseEstimated date last used

3. Tanks RemovedDate tank(s) removedEstimated date last used

5. Age of TankDate tank installed Date product placed in tank

6. Estimated Total Capacity (gallons)

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12 31 1973

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1

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8,000

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Mark all that apply:

Self-Insurance

Commercial Insurance

Risk Retention Group

OATH: I certify the information that is provided in section VII is true to the best of my knowledge, and certify that theinstallation was performed in accordance with all applicable state and federal laws and regulations. (THIS SECTIONMAY ONLY BE COMPLETED BY THE CONTRACTOR. SEPARATE OATH MUST BE SUBMITTED FOR EACH

ACTIVITY PERFORMED BY DIFFERENT CONTRACTOR. )

VII. Certification of Compliance (Complete for all new, upgraded and relined tanks at this location)

Installation (mark all that apply)

Installer certified by tank and piping manufacturers

Installer certified or licensed by implementing agency

Installer registered by implementing agency

Installer is the owner of the tank(s)

Installation inspected by aregistered engineer

Installation inspected & approvedby implementing agency

Manufacturer's installation checklists have been completed

Another method allowed by state agency (please specify)

Name

Permit No.Tank No.

Contractor:Signature (must be original) Date

Position Company

Certificate of Deposit

Trust Fund

Other Method Allowed

Guarantee

Surety Bond

Letter of Credit

(please specify)

I certify under penalty of law that I have personally examined and am familiar with the information submittedin this and all attached documents, and that based on my inquiry of those immediately responsible for

obtaining the information, I believe that the submitted information is true, accurate and complete.

VIII. Financial Responsibility

IX. Certification (Read and sign after completing all sections)

Name and official title of owner orowner's authorized representative

(print)

Date SignedSignature (must be original)

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please sign section IX

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Permit Number 00659-2017REM

Date: 7/14/2017


Certificate of RemovalThis certificate confirms that the tanks listed below were removed on said date.







Hinsdale, IL 60514Du Page


Facility - 2046398

Tank # Capacity in Gallons Product Date Removed1 8000 Heating Oil 07/05/2017

Owner/Operator Name: Community Consolidated School District 181

Owner Operator

Submitted Date & Time: 7/14/2017 3:36:35 PMIntegrity Environmental Services, Inc.

Permit Number 00659-2017REM

Date: 7/14/2017


Certification of Removal







Hinsdale, IL 60514Du Page


Facility - 2046398

Tank # Capacity in Gallons Product Date Removed1 8000 Heating Oil 07/05/2017

Under the penalties as provided by law pursuant to Section 1-109 of the Code of Civil Procedure, the undersigned certifiesthat the statements set forth in this instrument are true and correct, except as to matters stated to be on information andbelief and as to such matters the undersigned certifies as aforesaid that he/she verily believes the same to be true.

By checking this box, I certify that the removal of tanks was conducted in accordance with all applicable rules andregulations of the Office of the State Fire Marshal as required by 415 ILCS 5/57.5(f).

Print Owner/Operator Name: Community Consolidated School District 181

Owner Operator

Submitted Date & Time: 7/14/2017 3:36:35 PMIntegrity Environmental Services, Inc.


EXHIBIT C


EXHIBIT D

#=CL#

July 17, 2017

LIMS USE: FR - BEN KELDERHOUSELIMS OBJECT ID: 40152932

40152932Project:Pace Project No.:

RE:

Ben KelderhouseIntegrity Environmental1240 Iroquis DriveSuite 102Naperville, IL 60563

915-21 THE LANE

Dear Ben Kelderhouse:Enclosed are the analytical results for sample(s) received by the laboratory on July 08, 2017. Theresults relate only to the samples included in this report. Results reported herein conform to the mostcurrent, applicable TNI/NELAC standards and the laboratory's Quality Assurance Manual, whereapplicable, unless otherwise noted in the body of the report.

If you have any questions concerning this report, please feel free to contact me.

Sincerely,

Christopher [email protected]

Project Manager(920)469-2436

Enclosures

REPORT OF LABORATORY ANALYSISThis report shall not be reproduced, except in full,

without the written consent of Pace Analytical Services, LLC.

Pace Analytical Services, LLC1241 Bellevue Street - Suite 9

Green Bay, WI 54302(920)469-2436

Page 1 of 22Integrity Environmental Services, Inc.

#=CP#

CERTIFICATIONS

Pace Project No.:Project:

40152932915-21 THE LANE

Green Bay Certification IDs1241 Bellevue Street, Green Bay, WI 54302Florida/NELAP Certification #: E87948Illinois Certification #: 200050Kentucky UST Certification #: 82Louisiana Certification #: 04168Minnesota Certification #: 055-999-334New York Certification #: 12064North Dakota Certification #: R-150

Virginia VELAP ID: 460263South Carolina Certification #: 83006001Texas Certification #: T104704529-14-1Wisconsin Certification #: 405132750Wisconsin DATCP Certification #: 105-444USDA Soil Permit #: P330-16-00157Federal Fish & Wildlife Permit #: LE51774A-0

Kansas Certification IDs9608 Loiret Boulevard, Lenexa, KS 66219WY STR Certification #: 2456.01Arkansas Certification #: 15-016-0Illinois Certification #: 003097Iowa Certification #: 118Kansas/NELAP Certification #: E-10116Louisiana Certification #: 03055

Nevada Certification #: KS000212008AOklahoma Certification #: 9205/9935Texas Certification #: T104704407Utah Certification #: KS00021Kansas Field Laboratory Accreditation: # E-92587Missouri Certification: 10070




Green Bay, WI 54302(920)469-2436


#=SS#

SAMPLE SUMMARY


40152932915-21 THE LANE

Lab ID Sample ID Matrix Date Collected Date Received

40152932001 A Solid 07/05/17 15:00 07/08/17 08:10

40152932002 B Solid 07/05/17 15:05 07/08/17 08:10

40152932003 C Solid 07/05/17 15:10 07/08/17 08:10

40152932004 D Solid 07/05/17 15:15 07/08/17 08:10

40152932005 E Solid 07/05/17 15:20 07/08/17 08:10

40152932006 F Solid 07/05/17 15:25 07/08/17 08:10

40152932007 G Solid 07/05/17 15:30 07/08/17 08:10

40152932008 H Solid 07/05/17 15:35 07/08/17 08:10




Green Bay, WI 54302(920)469-2436


#=SA#

SAMPLE ANALYTE COUNT


40152932915-21 THE LANE

Lab ID Sample ID MethodAnalytesReported LaboratoryAnalysts

40152932001 A EPA 8270 by SIM 18 PASI-KNAW

EPA 8260 7 PASI-GSMT

ASTM D2974-87 1 PASI-GKTS

40152932002 B EPA 8270 by SIM 18 PASI-KNAW

EPA 8260 7 PASI-GSMT


40152932003 C EPA 8270 by SIM 18 PASI-KNAW

EPA 8260 7 PASI-GHNW


40152932004 D EPA 8270 by SIM 18 PASI-KNAW



40152932005 E EPA 8270 by SIM 18 PASI-KNAW



40152932006 F EPA 8270 by SIM 18 PASI-KNAW



40152932007 G EPA 8270 by SIM 18 PASI-KNAW



40152932008 H EPA 8270 by SIM 18 PASI-KNAW






Green Bay, WI 54302(920)469-2436


#=HO#

SUMMARY OF DETECTION


40152932915-21 THE LANE

Parameters AnalyzedResultLab Sample ID

Report Limit QualifiersUnitsMethodClient Sample ID

40152932001 ANaphthalene 0.0024J mg/kg 07/13/17 17:14 B0.0036EPA 8270 by SIMPercent Moisture 10.9 % 07/15/17 11:280.10ASTM D2974-87

40152932002 BBenzo(g,h,i)perylene 0.0020J mg/kg 07/13/17 17:330.0036EPA 8270 by SIMPercent Moisture 8.2 % 07/15/17 11:280.10ASTM D2974-87

40152932003 CAcenaphthylene 0.0072 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMAnthracene 0.0045 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMBenzo(a)anthracene 0.0033J mg/kg 07/13/17 17:520.0036EPA 8270 by SIMBenzo(a)pyrene 0.0056 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMBenzo(b)fluoranthene 0.0051 mg/kg 07/13/17 17:52 1q0.0036EPA 8270 by SIMBenzo(g,h,i)perylene 0.047 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMBenzo(k)fluoranthene 0.0023J mg/kg 07/13/17 17:520.0036EPA 8270 by SIMChrysene 0.0069 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMFluoranthene 0.0045 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMFluorene 0.0024J mg/kg 07/13/17 17:520.0036EPA 8270 by SIMIndeno(1,2,3-cd)pyrene 0.0032J mg/kg 07/13/17 17:520.0036EPA 8270 by SIMPhenanthrene 0.0033J mg/kg 07/13/17 17:520.0036EPA 8270 by SIMPyrene 0.0066 mg/kg 07/13/17 17:520.0036EPA 8270 by SIMPercent Moisture 8.8 % 07/15/17 11:280.10ASTM D2974-87

40152932004 DAcenaphthylene 0.022J mg/kg 07/13/17 18:290.038EPA 8270 by SIMBenzo(g,h,i)perylene 0.16 mg/kg 07/13/17 18:290.038EPA 8270 by SIMPercent Moisture 14.5 % 07/15/17 11:280.10ASTM D2974-87

40152932005 EPercent Moisture 12.2 % 07/15/17 11:280.10ASTM D2974-87

40152932006 FPercent Moisture 12.2 % 07/15/17 11:280.10ASTM D2974-87

40152932007 GPercent Moisture 12.6 % 07/15/17 12:350.10ASTM D2974-87

40152932008 HPercent Moisture 15.8 % 07/15/17 11:280.10ASTM D2974-87




Green Bay, WI 54302(920)469-2436


#=AR#

ANALYTICAL RESULTS


40152932915-21 THE LANE

Sample: A Lab ID: 40152932001 Collected: 07/05/17 15:00 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.

Parameters Results Units DF Prepared Analyzed CAS No. QualMDLPQL

Analytical Method: EPA 8270 by SIM Preparation Method: EPA 35468270 MSSV PAH by SIM

Acenaphthene <0.0018 mg/kg 07/13/17 17:14 83-32-907/12/17 00:000.0036 0.0018 1Acenaphthylene <0.0018 mg/kg 07/13/17 17:14 208-96-807/12/17 00:000.0036 0.0018 1Anthracene <0.0018 mg/kg 07/13/17 17:14 120-12-707/12/17 00:000.0036 0.0018 1Benzo(a)anthracene <0.0018 mg/kg 07/13/17 17:14 56-55-307/12/17 00:000.0036 0.0018 1Benzo(a)pyrene <0.0018 mg/kg 07/13/17 17:14 50-32-807/12/17 00:000.0036 0.0018 1Benzo(b)fluoranthene <0.0018 mg/kg 07/13/17 17:14 205-99-207/12/17 00:000.0036 0.0018 1Benzo(g,h,i)perylene <0.0018 mg/kg 07/13/17 17:14 191-24-207/12/17 00:000.0036 0.0018 1Benzo(k)fluoranthene <0.0018 mg/kg 07/13/17 17:14 207-08-907/12/17 00:000.0036 0.0018 1Chrysene <0.0018 mg/kg 07/13/17 17:14 218-01-907/12/17 00:000.0036 0.0018 1Dibenz(a,h)anthracene <0.0018 mg/kg 07/13/17 17:14 53-70-307/12/17 00:000.0036 0.0018 1Fluoranthene <0.0018 mg/kg 07/13/17 17:14 206-44-007/12/17 00:000.0036 0.0018 1Fluorene <0.0018 mg/kg 07/13/17 17:14 86-73-707/12/17 00:000.0036 0.0018 1Indeno(1,2,3-cd)pyrene <0.0018 mg/kg 07/13/17 17:14 193-39-507/12/17 00:000.0036 0.0018 1Naphthalene 0.0024J mg/kg 07/13/17 17:14 91-20-3 B07/12/17 00:000.0036 0.0018 1Phenanthrene <0.0018 mg/kg 07/13/17 17:14 85-01-807/12/17 00:000.0036 0.0018 1Pyrene <0.0018 mg/kg 07/13/17 17:14 129-00-007/12/17 00:000.0036 0.0018 1Surrogates2-Fluorobiphenyl (S) 78 % 07/13/17 17:14 321-60-807/12/17 00:0054-93 1Terphenyl-d14 (S) 88 % 07/13/17 17:14 1718-51-007/12/17 00:0049-120 1

Analytical Method: EPA 8260 Preparation Method: EPA 5035/5030B8260 MSV 5035 Med Level

Benzene <0.010 mg/kg 07/12/17 17:21 71-43-207/12/17 12:300.022 0.010 1Ethylbenzene <0.014 mg/kg 07/12/17 17:21 100-41-407/12/17 12:300.056 0.014 1Toluene <0.013 mg/kg 07/12/17 17:21 108-88-307/12/17 12:300.056 0.013 1Xylene (Total) <0.054 mg/kg 07/12/17 17:21 1330-20-707/12/17 12:300.17 0.054 1SurrogatesDibromofluoromethane (S) 104 % 07/12/17 17:21 1868-53-707/12/17 12:3068-130 1Toluene-d8 (S) 95 % 07/12/17 17:21 2037-26-507/12/17 12:3068-149 14-Bromofluorobenzene (S) 81 % 07/12/17 17:21 460-00-407/12/17 12:3058-141 1

Analytical Method: ASTM D2974-87Percent Moisture

Percent Moisture 10.9 % 07/15/17 11:280.10 0.10 1


without the written consent of Pace Analytical Services, LLC.Date: 07/17/2017 12:18 PM


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ANALYTICAL RESULTS


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Sample: B Lab ID: 40152932002 Collected: 07/05/17 15:05 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.



Acenaphthene <0.0018 mg/kg 07/13/17 17:33 83-32-907/12/17 00:000.0036 0.0018 1Acenaphthylene <0.0018 mg/kg 07/13/17 17:33 208-96-807/12/17 00:000.0036 0.0018 1Anthracene <0.0018 mg/kg 07/13/17 17:33 120-12-707/12/17 00:000.0036 0.0018 1Benzo(a)anthracene <0.0018 mg/kg 07/13/17 17:33 56-55-307/12/17 00:000.0036 0.0018 1Benzo(a)pyrene <0.0018 mg/kg 07/13/17 17:33 50-32-807/12/17 00:000.0036 0.0018 1Benzo(b)fluoranthene <0.0018 mg/kg 07/13/17 17:33 205-99-207/12/17 00:000.0036 0.0018 1Benzo(g,h,i)perylene 0.0020J mg/kg 07/13/17 17:33 191-24-207/12/17 00:000.0036 0.0018 1Benzo(k)fluoranthene <0.0018 mg/kg 07/13/17 17:33 207-08-907/12/17 00:000.0036 0.0018 1Chrysene <0.0018 mg/kg 07/13/17 17:33 218-01-907/12/17 00:000.0036 0.0018 1Dibenz(a,h)anthracene <0.0018 mg/kg 07/13/17 17:33 53-70-307/12/17 00:000.0036 0.0018 1Fluoranthene <0.0018 mg/kg 07/13/17 17:33 206-44-007/12/17 00:000.0036 0.0018 1Fluorene <0.0018 mg/kg 07/13/17 17:33 86-73-707/12/17 00:000.0036 0.0018 1Indeno(1,2,3-cd)pyrene <0.0018 mg/kg 07/13/17 17:33 193-39-507/12/17 00:000.0036 0.0018 1Naphthalene <0.0018 mg/kg 07/13/17 17:33 91-20-307/12/17 00:000.0036 0.0018 1Phenanthrene <0.0018 mg/kg 07/13/17 17:33 85-01-807/12/17 00:000.0036 0.0018 1Pyrene <0.0018 mg/kg 07/13/17 17:33 129-00-007/12/17 00:000.0036 0.0018 1Surrogates2-Fluorobiphenyl (S) 69 % 07/13/17 17:33 321-60-807/12/17 00:0054-93 1Terphenyl-d14 (S) 78 % 07/13/17 17:33 1718-51-007/12/17 00:0049-120 1

Analytical Method: EPA 8260 Preparation Method: EPA 5035/5030B8260 MSV 5035 Med Level







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ANALYTICAL RESULTS


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Sample: C Lab ID: 40152932003 Collected: 07/05/17 15:10 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.



Acenaphthene <0.0018 mg/kg 07/13/17 17:52 83-32-907/12/17 00:000.0036 0.0018 1Acenaphthylene 0.0072 mg/kg 07/13/17 17:52 208-96-807/12/17 00:000.0036 0.0018 1Anthracene 0.0045 mg/kg 07/13/17 17:52 120-12-707/12/17 00:000.0036 0.0018 1Benzo(a)anthracene 0.0033J mg/kg 07/13/17 17:52 56-55-307/12/17 00:000.0036 0.0018 1Benzo(a)pyrene 0.0056 mg/kg 07/13/17 17:52 50-32-807/12/17 00:000.0036 0.0018 1Benzo(b)fluoranthene 0.0051 mg/kg 07/13/17 17:52 205-99-2 1q07/12/17 00:000.0036 0.0018 1Benzo(g,h,i)perylene 0.047 mg/kg 07/13/17 17:52 191-24-207/12/17 00:000.0036 0.0018 1Benzo(k)fluoranthene 0.0023J mg/kg 07/13/17 17:52 207-08-907/12/17 00:000.0036 0.0018 1Chrysene 0.0069 mg/kg 07/13/17 17:52 218-01-907/12/17 00:000.0036 0.0018 1Dibenz(a,h)anthracene <0.0018 mg/kg 07/13/17 17:52 53-70-307/12/17 00:000.0036 0.0018 1Fluoranthene 0.0045 mg/kg 07/13/17 17:52 206-44-007/12/17 00:000.0036 0.0018 1Fluorene 0.0024J mg/kg 07/13/17 17:52 86-73-707/12/17 00:000.0036 0.0018 1Indeno(1,2,3-cd)pyrene 0.0032J mg/kg 07/13/17 17:52 193-39-507/12/17 00:000.0036 0.0018 1Naphthalene <0.0018 mg/kg 07/13/17 17:52 91-20-307/12/17 00:000.0036 0.0018 1Phenanthrene 0.0033J mg/kg 07/13/17 17:52 85-01-807/12/17 00:000.0036 0.0018 1Pyrene 0.0066 mg/kg 07/13/17 17:52 129-00-007/12/17 00:000.0036 0.0018 1Surrogates2-Fluorobiphenyl (S) 78 % 07/13/17 17:52 321-60-807/12/17 00:0054-93 1Terphenyl-d14 (S) 86 % 07/13/17 17:52 1718-51-007/12/17 00:0049-120 1

Analytical Method: EPA 8260 Preparation Method: EPA 82608260 MSV 5035 Low Level







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ANALYTICAL RESULTS


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Sample: D Lab ID: 40152932004 Collected: 07/05/17 15:15 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.



Acenaphthene <0.019 mg/kg 07/13/17 18:29 83-32-907/12/17 00:000.038 0.019 1Acenaphthylene 0.022J mg/kg 07/13/17 18:29 208-96-807/12/17 00:000.038 0.019 1Anthracene <0.019 mg/kg 07/13/17 18:29 120-12-707/12/17 00:000.038 0.019 1Benzo(a)anthracene <0.019 mg/kg 07/13/17 18:29 56-55-307/12/17 00:000.038 0.019 1Benzo(a)pyrene <0.019 mg/kg 07/13/17 18:29 50-32-807/12/17 00:000.038 0.019 1Benzo(b)fluoranthene <0.019 mg/kg 07/13/17 18:29 205-99-207/12/17 00:000.038 0.019 1Benzo(g,h,i)perylene 0.16 mg/kg 07/13/17 18:29 191-24-207/12/17 00:000.038 0.019 1Benzo(k)fluoranthene <0.019 mg/kg 07/13/17 18:29 207-08-907/12/17 00:000.038 0.019 1Chrysene <0.019 mg/kg 07/13/17 18:29 218-01-907/12/17 00:000.038 0.019 1Dibenz(a,h)anthracene <0.019 mg/kg 07/13/17 18:29 53-70-307/12/17 00:000.038 0.019 1Fluoranthene <0.019 mg/kg 07/13/17 18:29 206-44-007/12/17 00:000.038 0.019 1Fluorene <0.019 mg/kg 07/13/17 18:29 86-73-707/12/17 00:000.038 0.019 1Indeno(1,2,3-cd)pyrene <0.019 mg/kg 07/13/17 18:29 193-39-507/12/17 00:000.038 0.019 1Naphthalene <0.019 mg/kg 07/13/17 18:29 91-20-307/12/17 00:000.038 0.019 1Phenanthrene <0.019 mg/kg 07/13/17 18:29 85-01-807/12/17 00:000.038 0.019 1Pyrene <0.019 mg/kg 07/13/17 18:29 129-00-007/12/17 00:000.038 0.019 1Surrogates2-Fluorobiphenyl (S) 0 % 07/13/17 18:29 321-60-8 P3,S407/12/17 00:0054-93 1Terphenyl-d14 (S) 0 % 07/13/17 18:29 1718-51-0 S407/12/17 00:0049-120 1








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ANALYTICAL RESULTS


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Sample: E Lab ID: 40152932005 Collected: 07/05/17 15:20 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.



Acenaphthene <0.0019 mg/kg 07/13/17 18:48 83-32-907/12/17 00:000.0037 0.0019 1Acenaphthylene <0.0019 mg/kg 07/13/17 18:48 208-96-807/12/17 00:000.0037 0.0019 1Anthracene <0.0019 mg/kg 07/13/17 18:48 120-12-707/12/17 00:000.0037 0.0019 1Benzo(a)anthracene <0.0019 mg/kg 07/13/17 18:48 56-55-307/12/17 00:000.0037 0.0019 1Benzo(a)pyrene <0.0019 mg/kg 07/13/17 18:48 50-32-807/12/17 00:000.0037 0.0019 1Benzo(b)fluoranthene <0.0019 mg/kg 07/13/17 18:48 205-99-207/12/17 00:000.0037 0.0019 1Benzo(g,h,i)perylene <0.0019 mg/kg 07/13/17 18:48 191-24-207/12/17 00:000.0037 0.0019 1Benzo(k)fluoranthene <0.0019 mg/kg 07/13/17 18:48 207-08-907/12/17 00:000.0037 0.0019 1Chrysene <0.0019 mg/kg 07/13/17 18:48 218-01-907/12/17 00:000.0037 0.0019 1Dibenz(a,h)anthracene <0.0019 mg/kg 07/13/17 18:48 53-70-307/12/17 00:000.0037 0.0019 1Fluoranthene <0.0019 mg/kg 07/13/17 18:48 206-44-007/12/17 00:000.0037 0.0019 1Fluorene <0.0019 mg/kg 07/13/17 18:48 86-73-707/12/17 00:000.0037 0.0019 1Indeno(1,2,3-cd)pyrene <0.0019 mg/kg 07/13/17 18:48 193-39-507/12/17 00:000.0037 0.0019 1Naphthalene <0.0019 mg/kg 07/13/17 18:48 91-20-307/12/17 00:000.0037 0.0019 1Phenanthrene <0.0019 mg/kg 07/13/17 18:48 85-01-807/12/17 00:000.0037 0.0019 1Pyrene <0.0019 mg/kg 07/13/17 18:48 129-00-007/12/17 00:000.0037 0.0019 1Surrogates2-Fluorobiphenyl (S) 78 % 07/13/17 18:48 321-60-807/12/17 00:0054-93 1Terphenyl-d14 (S) 85 % 07/13/17 18:48 1718-51-007/12/17 00:0049-120 1








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ANALYTICAL RESULTS


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Sample: F Lab ID: 40152932006 Collected: 07/05/17 15:25 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.











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ANALYTICAL RESULTS


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Sample: G Lab ID: 40152932007 Collected: 07/05/17 15:30 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.











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ANALYTICAL RESULTS


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Sample: H Lab ID: 40152932008 Collected: 07/05/17 15:35 Received: 07/08/17 08:10 Matrix: SolidResults reported on a "dry weight" basis and are adjusted for percent moisture, sample size and any dilutions.











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QUALITY CONTROL DATA


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Results presented on this page are in the units indicated by the "Units" column except where an alternate unit is presented to the right of the result.

QC Batch:QC Batch Method:

Analysis Method:Analysis Description:

261282EPA 8260

EPA 82608260 MSV Low

Associated Lab Samples: 40152932003, 40152932004, 40152932005, 40152932006, 40152932007, 40152932008

Parameter UnitsBlankResult

ReportingLimit Qualifiers

METHOD BLANK: 1538386Associated Lab Samples: 40152932003, 40152932004, 40152932005, 40152932006, 40152932007, 40152932008

Matrix: Solid

AnalyzedMDL

Benzene mg/kg <0.0047 0.016 07/11/17 13:580.0047Ethylbenzene mg/kg <0.0037 0.012 07/11/17 13:580.0037Toluene mg/kg <0.0036 0.012 07/11/17 13:580.0036Xylene (Total) mg/kg <0.012 0.040 07/11/17 13:580.0124-Bromofluorobenzene (S) % 99 70-130 07/11/17 13:58Dibromofluoromethane (S) % 110 70-130 07/11/17 13:58Toluene-d8 (S) % 99 70-130 07/11/17 13:58

Parameter UnitsLCS

Result% RecLimits Qualifiers% RecConc.

1538387LABORATORY CONTROL SAMPLE & LCSD:LCSSpike LCSD

% Rec RPDMaxRPD

LCSDResult

1538388

Benzene mg/kg 0.045.05 89 70-129850.042 5 20Ethylbenzene mg/kg 0.046.05 93 80-120920.046 1 21Toluene mg/kg 0.044.05 89 80-120910.045 3 21Xylene (Total) mg/kg 0.14.15 91 70-130900.13 1 204-Bromofluorobenzene (S) % 106 70-130108Dibromofluoromethane (S) % 103 70-130102Toluene-d8 (S) % 102 70-130104




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261330EPA 5035/5030B

EPA 82608260 MSV 5035 Med Prep

Associated Lab Samples: 40152932001, 40152932002



METHOD BLANK: 1538637Associated Lab Samples: 40152932001, 40152932002

Matrix: Solid

AnalyzedMDL

Benzene mg/kg <0.0092 0.020 07/12/17 15:480.0092Ethylbenzene mg/kg <0.012 0.050 07/12/17 15:480.012Toluene mg/kg <0.011 0.050 07/12/17 15:480.011Xylene (Total) mg/kg <0.048 0.15 07/12/17 15:480.0484-Bromofluorobenzene (S) % 94 58-141 07/12/17 15:48Dibromofluoromethane (S) % 104 68-130 07/12/17 15:48Toluene-d8 (S) % 108 68-149 07/12/17 15:48

Parameter UnitsLCS


1538638LABORATORY CONTROL SAMPLE:LCSSpike

Benzene mg/kg 2.62.5 105 66-130Ethylbenzene mg/kg 2.62.5 102 82-122Toluene mg/kg 2.52.5 102 80-120Xylene (Total) mg/kg 7.87.5 104 70-1304-Bromofluorobenzene (S) % 97 58-141Dibromofluoromethane (S) % 111 68-130Toluene-d8 (S) % 103 68-149




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484922EPA 3546

EPA 8270 by SIM8270/3546 MSSV PAH by SIM

Associated Lab Samples: 40152932001, 40152932002, 40152932003, 40152932004, 40152932005, 40152932006, 40152932007,40152932008



METHOD BLANK: 1986031Associated Lab Samples: 40152932001, 40152932002, 40152932003, 40152932004, 40152932005, 40152932006, 40152932007,

40152932008

Matrix: Solid

AnalyzedMDL

Acenaphthene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Acenaphthylene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Anthracene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Benzo(a)anthracene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Benzo(a)pyrene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Benzo(b)fluoranthene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Benzo(g,h,i)perylene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Benzo(k)fluoranthene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Chrysene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Dibenz(a,h)anthracene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Fluoranthene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Fluorene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Indeno(1,2,3-cd)pyrene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Naphthalene mg/kg 0.0032J 0.0033 07/13/17 16:360.0016Phenanthrene mg/kg <0.0016 0.0033 07/13/17 16:360.0016Pyrene mg/kg <0.0016 0.0033 07/13/17 16:360.00162-Fluorobiphenyl (S) % 85 54-93 07/13/17 16:36Terphenyl-d14 (S) % 99 49-120 07/13/17 16:36

Parameter UnitsLCS



Acenaphthene mg/kg 0.031.033 94 64-113Acenaphthylene mg/kg 0.030.033 89 62-112Anthracene mg/kg 0.030.033 90 56-113Benzo(a)anthracene mg/kg 0.029.033 89 62-120Benzo(a)pyrene mg/kg 0.030.033 92 52-119Benzo(b)fluoranthene mg/kg 0.030.033 89 56-128Benzo(g,h,i)perylene mg/kg 0.029.033 89 51-127Benzo(k)fluoranthene mg/kg 0.029.033 88 61-122Chrysene mg/kg 0.032.033 96 54-129Dibenz(a,h)anthracene mg/kg 0.028.033 85 49-130Fluoranthene mg/kg 0.029.033 88 61-120Fluorene mg/kg 0.030.033 90 62-116Indeno(1,2,3-cd)pyrene mg/kg 0.029.033 88 53-123Naphthalene mg/kg 0.031.033 92 63-116Phenanthrene mg/kg 0.030.033 92 62-116Pyrene mg/kg 0.032.033 98 60-127




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Parameter UnitsLCS



2-Fluorobiphenyl (S) % 84 54-93Terphenyl-d14 (S) % 94 49-120

Parameter UnitsMS

Result% RecLimits Qual% RecConc.

1986033MATRIX SPIKE & MATRIX SPIKE DUPLICATE:

MSSpikeResult

60248277001

1986034

MSDResult

MSD% Rec RPD RPD

MaxMSDMSSpikeConc.

Acenaphthene mg/kg .033 104 10-270103 1 27.032ND 0.034 0.034Acenaphthylene mg/kg .033 102 10-188102 1 29.032ND 0.033 0.033Anthracene mg/kg .033 104 10-184101 3 30.032ND 0.034 0.033Benzo(a)anthracene mg/kg .033 134 10-274122 10 111.032ND 0.044 0.040Benzo(a)pyrene mg/kg .033 120 10-167108 12 63.032ND 0.039 0.035Benzo(b)fluoranthene mg/kg 1q.033 95 10-22682 10 51.032ND 0.045 0.040Benzo(g,h,i)perylene mg/kg .033 138 10-170144 4 54.032ND 0.045 0.047Benzo(k)fluoranthene mg/kg .033 108 10-190101 7 36.032ND 0.035 0.033Chrysene mg/kg .033 140 10-203123 13 42.032ND 0.046 0.040Dibenz(a,h)anthracene mg/kg .033 90 10-19992 35.032ND 0.029J 0.030JFluoranthene mg/kg .033 134 10-273120 12 41.032ND 0.044 0.039Fluorene mg/kg .033 100 10-231100 0 81.032ND 0.033 0.032Indeno(1,2,3-cd)pyrene mg/kg .033 109 10-210114 5 49.032ND 0.035 0.037Naphthalene mg/kg .033 107 10-227107 1 96.032ND 0.035 0.035Phenanthrene mg/kg .033 120 10-295113 7 57.032ND 0.039 0.037Pyrene mg/kg .033 140 10-299127 11 60.032ND 0.046 0.0412-Fluorobiphenyl (S) % P3,S40 54-930Terphenyl-d14 (S) % S40 49-1200




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261572ASTM D2974-87

ASTM D2974-87Dry Weight/Percent Moisture

Associated Lab Samples: 40152932001, 40152932002, 40152932003, 40152932004, 40152932005, 40152932006, 40152932007,40152932008

Parameter UnitsDup

ResultMaxRPD QualifiersRPDResult

401532660011540427SAMPLE DUPLICATE:

Percent Moisture % 7.8 1 107.9




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QUALIFIERS


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DEFINITIONS

DF - Dilution Factor, if reported, represents the factor applied to the reported data due to dilution of the sample aliquot.ND - Not Detected at or above adjusted reporting limit.TNTC - Too Numerous To CountJ - Estimated concentration above the adjusted method detection limit and below the adjusted reporting limit.MDL - Adjusted Method Detection Limit.PQL - Practical Quantitation Limit.RL - Reporting Limit.S - Surrogate1,2-Diphenylhydrazine decomposes to and cannot be separated from Azobenzene using Method 8270. The result for each analyte isa combined concentration.Consistent with EPA guidelines, unrounded data are displayed and have been used to calculate % recovery and RPD values.LCS(D) - Laboratory Control Sample (Duplicate)MS(D) - Matrix Spike (Duplicate)DUP - Sample DuplicateRPD - Relative Percent DifferenceNC - Not Calculable.SG - Silica Gel - Clean-UpU - Indicates the compound was analyzed for, but not detected.N-Nitrosodiphenylamine decomposes and cannot be separated from Diphenylamine using Method 8270. The result reported foreach analyte is a combined concentration.Pace Analytical is TNI accredited. Contact your Pace PM for the current list of accredited analytes.TNI - The NELAC Institute.

LABORATORIES

Pace Analytical Services - Green BayPASI-GPace Analytical Services - Kansas CityPASI-K

BATCH QUALIFIERS

Batch: 261283A matrix spike/matrix spike duplicate was not performed for this batch due to insufficient sample volume.[M5]

ANALYTE QUALIFIERSThe methods baseline separation for isomers pairs in the Initial Calibration or Continuing Calibration Verification (CCV)was less than the expected 50% valley to baseline. No further action was taken for this method variation. The twocompounds are still being reported as individual isomers and not a combined total, since there is separation between thetwo isomers.

1q

Analyte was detected in the associated method blank.BSample extract could not be concentrated to the routine final volume, resulting in elevated reporting limits.P3Surrogate recovery not evaluated against control limits due to sample dilution.S4




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QUALITY CONTROL DATA CROSS REFERENCE TABLE


40152932915-21 THE LANE

Lab ID Sample ID QC Batch Method QC Batch Analytical MethodAnalyticalBatch

40152932001 484922 485287A EPA 3546 EPA 8270 by SIM40152932002 484922 485287B EPA 3546 EPA 8270 by SIM40152932003 484922 485287C EPA 3546 EPA 8270 by SIM40152932004 484922 485287D EPA 3546 EPA 8270 by SIM40152932005 484922 485287E EPA 3546 EPA 8270 by SIM40152932006 484922 485287F EPA 3546 EPA 8270 by SIM40152932007 484922 485287G EPA 3546 EPA 8270 by SIM40152932008 484922 485287H EPA 3546 EPA 8270 by SIM

40152932003 261282 261283C EPA 8260 EPA 826040152932004 261282 261283D EPA 8260 EPA 826040152932005 261282 261283E EPA 8260 EPA 826040152932006 261282 261283F EPA 8260 EPA 826040152932007 261282 261283G EPA 8260 EPA 826040152932008 261282 261283H EPA 8260 EPA 8260

40152932001 261330 261337A EPA 5035/5030B EPA 826040152932002 261330 261337B EPA 5035/5030B EPA 8260

40152932001 261572A ASTM D2974-8740152932002 261572B ASTM D2974-8740152932003 261572C ASTM D2974-8740152932004 261572D ASTM D2974-8740152932005 261572E ASTM D2974-8740152932006 261572F ASTM D2974-8740152932007 261572G ASTM D2974-8740152932008 261572H ASTM D2974-87




Green Bay, WI 54302(920)469-2436



EXHIBIT E

CCSD 181 The Lane Elementary 500 N Elm Street, Hinsdale, Illinois IES Project No. 915-21 Date: 7/5/17 Description: View of Tank Removal Location Direction: Northwest Photo Number: 1 of 4

CCSD 181 The Lane Elementary 500 N Elm Street, Hinsdale, Illinois IES Project No. 915-21 Date: 7/5/17 Description: View of Tank Excavation Direction: Southeast Photo Number: 2 of 4


CCSD 181 The Lane Elementary 500 N Elm Street, Hinsdale, Illinois IES Project No. 915-21 Date: 7/5/17 Description: View of Tank Being Cut Open for Cleaning Direction: Northwest Photo Number: 3 of 4

CCSD 181 The Lane Elementary 500 N Elm Street, Hinsdale, Illinois IES Project No. 915-21 Date: 7/5/17 Description: View of Excavation Soil Removal Direction: South Photo Number: 4 of 4
