ANALYTICAL REPORT

TestAmerica Laboratories, Inc.

TestAmerica Chicago

2417 Bond Street

University Park, IL 60484

Tel: (708)534-5200

TestAmerica Job ID: 500-89685-3

Client Project/Site: John Deere Des Moines Works Delisting

Revision: 1

For:

MWH Americas Inc

11153 Aurora Avenue

Des Moines, Iowa 50322-7904

Attn: Mr. Robert Malcomson

Authorized for release by:

1/26/2015 2:24:58 PM

Therese Hargraves, Project Manager I

(708)534-5200

therese.hargraves@testamericainc.com

The test results in this report meet all 2003 NELAC and 2009 TNI requirements for accredited

parameters, exceptions are noted in this report. This report may not be reproduced except in full,

and with written approval from the laboratory. For questions please contact the Project Manager

at the e-mail address or telephone number listed on this page.

This report has been electronically signed and authorized by the signatory. Electronic signature is

intended to be the legally binding equivalent of a traditionally handwritten signature.

Results relate only to the items tested and the sample(s) as received by the laboratory.

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Table of Contents

Client: MWH Americas Inc

Project/Site: John Deere Des Moines Works Delisting

TestAmerica Job ID: 500-89685-3

Page 2 of 32

TestAmerica Chicago

1/26/2015

Cover Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Table of Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Case Narrative . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Detection Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

QC Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

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Case Narrative

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Job ID: 500-89685-3

Laboratory: TestAmerica Chicago

Narrative

Job Narrative

500-89685-3

Comments

No additional comments. 

Receipt 

The samples were received on 12/18/2014 9:45 AM; the samples arrived in good condition, properly preserved and, where required, on 

ice. The temperature of the cooler at receipt was 2.7o C.

Except:

Revised Report - Case Narrative updated.

General Chemistry 

No analytical or quality issues were noted, other than those described in the Definitions/Glossary page.

TestAmerica Chicago Page 3 of 32 1/26/2015

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Detection Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite Pretest Lab Sample ID: 500-89685-13

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

5.88 1 9040C Leach

pH 10.9 0.100 SU0.100 1 9040C Leach

pH 4.99 0.100 SU0.100 1 9040C Leach

pH 11.7 0.100 SU0.100 1 9040C Leach

pH 3.77 0.100 SU0.100 1 9040C Leach

pH 12.0 0.100 SU0.100 1 9040C Leach

pH 12.1 0.100 SU0.100 1 9040C Leach

Client Sample ID: Blank pH 2.88 Lab Sample ID: 500-89685-14

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

0.120 1 9040C Leach

Oxidation Reduction Potential 466 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: Blank pH 7.00 Lab Sample ID: 500-89685-15

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

1.43 1 9040C Leach

Specific Conductance 22400 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 469 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: Blank pH 13.0 Lab Sample ID: 500-89685-16

Cr (VI)

RL

0.0100 mg/L

MDL

0.00190

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

0.735 1 7196A Leach

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

13.0 1 9040C Leach

Specific Conductance 103000 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential - 82 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 1 Composite pH 2.88 Lab Sample ID: 500-89685-17

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

2.86 1 9040C Leach

Specific Conductance 53300 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 367 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 1 Composite pH 7.00 Lab Sample ID: 500-89685-18

Cr (VI)

RL

0.0100 mg/L

MDL

0.00190

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

J0.00234 1 7196A Leach

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

6.93 1 9040C Leach

Specific Conductance 6040 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 138 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 1 Composite pH 13.00 Lab Sample ID: 500-89685-19

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

12.6 1 9040C Leach

TestAmerica Chicago

This Detection Summary does not include radiochemical test results.

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Detection Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite pH 13.00 (Continued) Lab Sample ID: 500-89685-19

Specific Conductance

RL

1.00 umhos/cm

RL

1.00

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

29400 1 SM 2510B Leach

Oxidation Reduction Potential - 58 10.0 10.0 millivolts 1 SM 2580B Leach

TestAmerica Chicago

This Detection Summary does not include radiochemical test results.

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Method Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Method Method Description Protocol Laboratory

2540G SM 2540G SM22 TAL PIT

7196A Chromium, Hexavalent SW846 TAL PIT

9040C pH SW846 TAL PIT

SM 2510B Conductivity, Specific Conductance SM TAL PIT

SM 2580B Reduction-Oxidation (REDOX) Potential SM TAL PIT

Protocol References:

SM = "Standard Methods For The Examination Of Water And Wastewater",

SM22 = SM22

SW846 = "Test Methods For Evaluating Solid Waste, Physical/Chemical Methods", Third Edition, November 1986 And Its Updates.

Laboratory References:

TAL PIT = TestAmerica Pittsburgh, 301 Alpha Drive, RIDC Park, Pittsburgh, PA 15238, TEL (412)963-7058

TestAmerica Chicago

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Sample Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Lab Sample ID Client Sample ID Matrix Collected Received

500-89685-13 VS Event 1 Composite Pretest Solid 12/17/14 15:20 12/18/14 09:45

500-89685-14 Blank pH 2.88 Solid 12/17/14 15:20 12/18/14 09:45

500-89685-15 Blank pH 7.00 Solid 12/17/14 15:20 12/18/14 09:45

500-89685-16 Blank pH 13.0 Solid 12/17/14 15:20 12/18/14 09:45

500-89685-17 VS Event 1 Composite pH 2.88 Solid 12/17/14 15:20 12/18/14 09:45

500-89685-18 VS Event 1 Composite pH 7.00 Solid 12/17/14 15:20 12/18/14 09:45

500-89685-19 VS Event 1 Composite pH 13.00 Solid 12/17/14 15:20 12/18/14 09:45

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite Pretest Lab Sample ID: 500-89685-13

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL RL

pH 5.88 0.100 0.100 SU 01/08/15 10:30 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

pH 10.9 0.100 0.100 SU 01/08/15 10:30 1

pH 4.99 0.100 0.100 SU 01/09/15 11:30 1

pH 11.7 0.100 0.100 SU 01/09/15 11:30 1

pH 3.77 0.100 0.100 SU 01/21/15 10:06 1

pH 12.0 0.100 0.100 SU 01/21/15 10:13 1

pH 12.1 0.100 0.100 SU 01/21/15 10:16 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: Blank pH 2.88 Lab Sample ID: 500-89685-14

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/21/15 15:09 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 0.120 0.100 0.100 SU 01/21/15 10:23 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Oxidation Reduction Potential 466 10.0 10.0 millivolts 01/21/15 10:20 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: Blank pH 7.00 Lab Sample ID: 500-89685-15

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/08/15 13:12 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 1.43 0.100 0.100 SU 01/08/15 10:30 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 22400 1.00 1.00 umhos/cm 01/08/15 12:30 1

Oxidation Reduction Potential 469 10.0 10.0 millivolts 01/08/15 12:30 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: Blank pH 13.0 Lab Sample ID: 500-89685-16

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL MDL

Cr (VI) 0.735 0.0100 0.00190 mg/L 01/22/15 11:25 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 13.0 0.100 0.100 SU 01/22/15 10:31 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 103000 1.00 1.00 umhos/cm 01/22/15 10:18 1

Oxidation Reduction Potential - 82 10.0 10.0 millivolts 01/22/15 10:00 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite pH 2.88 Lab Sample ID: 500-89685-17

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/21/15 15:10 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 2.86 0.100 0.100 SU 01/21/15 10:20 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 53300 1.00 1.00 umhos/cm 01/21/15 10:12 1

Oxidation Reduction Potential 367 10.0 10.0 millivolts 01/21/15 10:00 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite pH 7.00 Lab Sample ID: 500-89685-18

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL MDL

Cr (VI) 0.00234 J 0.0100 0.00190 mg/L 01/08/15 13:12 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 6.93 0.100 0.100 SU 01/08/15 10:30 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 6040 1.00 1.00 umhos/cm 01/08/15 12:00 1

Oxidation Reduction Potential 138 10.0 10.0 millivolts 01/08/15 12:00 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite pH 13.00 Lab Sample ID: 500-89685-19

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/22/15 11:26 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 12.6 0.100 0.100 SU 01/22/15 10:23 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 29400 1.00 1.00 umhos/cm 01/22/15 10:11 1

Oxidation Reduction Potential - 58 10.0 10.0 millivolts 01/22/15 10:00 1

TestAmerica Chicago

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Definitions/Glossary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Qualifiers

General Chemistry

Qualifier Description

J Result is less than the RL but greater than or equal to the MDL and the concentration is an approximate value.

Qualifier

Glossary

These commonly used abbreviations may or may not be present in this report.

¤ Listed under the "D" column to designate that the result is reported on a dry weight basis

Abbreviation

%R Percent Recovery

CFL Contains Free Liquid

CNF Contains no Free Liquid

DER Duplicate error ratio (normalized absolute difference)

Dil Fac Dilution Factor

DL, RA, RE, IN Indicates a Dilution, Re-analysis, Re-extraction, or additional Initial metals/anion analysis of the sample

DLC Decision level concentration

MDA Minimum detectable activity

EDL Estimated Detection Limit

MDC Minimum detectable concentration

MDL Method Detection Limit

ML Minimum Level (Dioxin)

NC Not Calculated

ND Not detected at the reporting limit (or MDL or EDL if shown)

PQL Practical Quantitation Limit

QC Quality Control

RER Relative error ratio

RL Reporting Limit or Requested Limit (Radiochemistry)

RPD Relative Percent Difference, a measure of the relative difference between two points

TEF Toxicity Equivalent Factor (Dioxin)

TEQ Toxicity Equivalent Quotient (Dioxin)

TestAmerica Chicago

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

General Chemistry

Analysis Batch: 129563

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Total/NA Solid 2540G

Analysis Batch: 129965

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Total/NA Solid 2540G

Leach Batch: 130334

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 DU VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 DU VS Event 1 Composite Pretest Leach Solid 1313

500-89685-15 Blank pH 7.00 Leach Solid 1313

500-89685-18 VS Event 1 Composite pH 7.00 Leach Solid 1313

500-89685-18 DU VS Event 1 Composite pH 7.00 Leach Solid 1313

Analysis Batch: 130338

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-15 Blank pH 7.00 Leach Solid 7196A 130334

500-89685-18 VS Event 1 Composite pH 7.00 Leach Solid 7196A 130334

LCS 180-130338/10 Lab Control Sample Total/NA Solid 7196A

LCSD 180-130338/11 Lab Control Sample Dup Total/NA Solid 7196A

MB 180-130338/12 Method Blank Total/NA Solid 7196A

Analysis Batch: 130986

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 130334

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 130334

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 130334

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 130334

500-89685-13 DU VS Event 1 Composite Pretest Leach Solid 9040C 130334

500-89685-13 DU VS Event 1 Composite Pretest Leach Solid 9040C 130334

500-89685-15 Blank pH 7.00 Leach Solid 9040C 130334

500-89685-18 VS Event 1 Composite pH 7.00 Leach Solid 9040C 130334

LCS 180-130986/1 Lab Control Sample Total/NA Solid 9040C

LCS 180-130986/9 Lab Control Sample Total/NA Solid 9040C

LCSD 180-130986/10 Lab Control Sample Dup Total/NA Solid 9040C

LCSD 180-130986/2 Lab Control Sample Dup Total/NA Solid 9040C

Analysis Batch: 131075

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-15 Blank pH 7.00 Leach Solid SM 2510B 130334

500-89685-18 VS Event 1 Composite pH 7.00 Leach Solid SM 2510B 130334

500-89685-18 DU VS Event 1 Composite pH 7.00 Leach Solid SM 2510B 130334

LCS 180-131075/1 Lab Control Sample Total/NA Solid SM 2510B

MB 180-131075/2 Method Blank Total/NA Solid SM 2510B

TestAmerica Chicago

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

General Chemistry (Continued)

Analysis Batch: 131076

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-15 Blank pH 7.00 Leach Solid SM 2580B 130334

500-89685-18 VS Event 1 Composite pH 7.00 Leach Solid SM 2580B 130334

500-89685-18 DU VS Event 1 Composite pH 7.00 Leach Solid SM 2580B 130334

Analysis Batch: 131116

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Total/NA Solid 2540G

Leach Batch: 131325

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 VS Event 1 Composite Pretest Leach Solid 1313

500-89685-13 DU VS Event 1 Composite Pretest Leach Solid 1313

500-89685-14 Blank pH 2.88 Leach Solid 1313

500-89685-17 VS Event 1 Composite pH 2.88 Leach Solid 1313

500-89685-17 DU VS Event 1 Composite pH 2.88 Leach Solid 1313

Analysis Batch: 131364

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-14 Blank pH 2.88 Leach Solid 7196A 131325

500-89685-17 VS Event 1 Composite pH 2.88 Leach Solid 7196A 131325

LCS 180-131364/10 Lab Control Sample Total/NA Solid 7196A

LCSD 180-131364/11 Lab Control Sample Dup Total/NA Solid 7196A

MB 180-131364/12 Method Blank Total/NA Solid 7196A

Leach Batch: 131458

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-16 Blank pH 13.0 Leach Solid 1313

500-89685-19 VS Event 1 Composite pH 13.00 Leach Solid 1313

500-89685-19 DU VS Event 1 Composite pH 13.00 Leach Solid 1313

Analysis Batch: 131464

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 131325

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 131325

500-89685-13 VS Event 1 Composite Pretest Leach Solid 9040C 131325

500-89685-13 DU VS Event 1 Composite Pretest Leach Solid 9040C 131325

500-89685-14 Blank pH 2.88 Leach Solid 9040C 131325

500-89685-17 VS Event 1 Composite pH 2.88 Leach Solid 9040C 131325

LCS 180-131464/1 Lab Control Sample Total/NA Solid 9040C

LCSD 180-131464/2 Lab Control Sample Dup Total/NA Solid 9040C

Analysis Batch: 131469

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-16 Blank pH 13.0 Leach Solid 9040C 131458

500-89685-19 VS Event 1 Composite pH 13.00 Leach Solid 9040C 131458

500-89685-19 DU VS Event 1 Composite pH 13.00 Leach Solid 9040C 131458

LCS 180-131469/1 Lab Control Sample Total/NA Solid 9040C

LCSD 180-131469/2 Lab Control Sample Dup Total/NA Solid 9040C

TestAmerica Chicago

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

General Chemistry (Continued)

Analysis Batch: 131470

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-16 Blank pH 13.0 Leach Solid 7196A 131458

500-89685-19 VS Event 1 Composite pH 13.00 Leach Solid 7196A 131458

LCS 180-131470/3 Lab Control Sample Total/NA Solid 7196A

LCSD 180-131470/4 Lab Control Sample Dup Total/NA Solid 7196A

MB 180-131470/5 Method Blank Total/NA Solid 7196A

Analysis Batch: 131471

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-14 Blank pH 2.88 Leach Solid SM 2580B 131325

500-89685-17 VS Event 1 Composite pH 2.88 Leach Solid SM 2580B 131325

500-89685-17 DU VS Event 1 Composite pH 2.88 Leach Solid SM 2580B 131325

Analysis Batch: 131472

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-16 Blank pH 13.0 Leach Solid SM 2580B 131458

500-89685-19 VS Event 1 Composite pH 13.00 Leach Solid SM 2580B 131458

500-89685-19 DU VS Event 1 Composite pH 13.00 Leach Solid SM 2580B 131458

Analysis Batch: 131477

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-17 VS Event 1 Composite pH 2.88 Leach Solid SM 2510B 131325

500-89685-17 DU VS Event 1 Composite pH 2.88 Leach Solid SM 2510B 131325

LCS 180-131477/1 Lab Control Sample Total/NA Solid SM 2510B

LCSD 180-131477/2 Lab Control Sample Dup Total/NA Solid SM 2510B

MB 180-131477/3 Method Blank Total/NA Solid SM 2510B

Analysis Batch: 131480

Lab Sample ID Client Sample ID Prep Type Matrix Method Prep Batch

500-89685-16 Blank pH 13.0 Leach Solid SM 2510B 131458

500-89685-19 VS Event 1 Composite pH 13.00 Leach Solid SM 2510B 131458

500-89685-19 DU VS Event 1 Composite pH 13.00 Leach Solid SM 2510B 131458

LCS 180-131480/1 Lab Control Sample Total/NA Solid SM 2510B

LCSD 180-131480/2 Lab Control Sample Dup Total/NA Solid SM 2510B

MB 180-131480/3 Method Blank Total/NA Solid SM 2510B

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Method: 7196A - Chromium, Hexavalent

Lab Sample ID: MB 180-130338/12 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130338

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/08/15 13:12 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 180-130338/10 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130338

Cr (VI) 0.250 0.2474 mg/L 99 85 - 115

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-130338/11 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130338

Cr (VI) 0.250 0.2474 mg/L 99 85 - 115 0 20

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: MB 180-131364/12 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131364

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/21/15 15:07 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 180-131364/10 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131364

Cr (VI) 0.250 0.2460 mg/L 98 85 - 115

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-131364/11 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131364

Cr (VI) 0.250 0.2429 mg/L 97 85 - 115 1 20

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: MB 180-131470/5 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131470

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 01/22/15 11:24 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 180-131470/3 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131470

Cr (VI) 0.250 0.2378 mg/L 95 85 - 115

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Lab Sample ID: LCSD 180-131470/4 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131470

Cr (VI) 0.250 0.2409 mg/L 96 85 - 115 1 20

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Method: 9040C - pH

Lab Sample ID: LCS 180-130986/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130986

pH 7.00 7.010 SU 100 99 - 101

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCS 180-130986/9 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130986

pH 7.00 7.010 SU 100 99 - 101

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-130986/10 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130986

pH 7.00 6.970 SU 100 99 - 101 1 2

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: LCSD 180-130986/2 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 130986

pH 7.00 6.970 SU 100 99 - 101 1 2

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: LCS 180-131464/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131464

pH 7.00 6.970 SU 100 99 - 101

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-131464/2 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131464

pH 7.00 6.970 SU 100 99 - 101 0 2

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Method: 9040C - pH (Continued)

Lab Sample ID: LCS 180-131469/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131469

pH 7.00 7.020 SU 100 99 - 101

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-131469/2 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131469

pH 7.00 7.020 SU 100 99 - 101 0 2

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: 500-89685-13 DU Client Sample ID: VS Event 1 Composite Pretest

Matrix: Solid Prep Type: Leach

Analysis Batch: 130986

pH 5.88 5.880 SU 0 2

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-89685-13 DU Client Sample ID: VS Event 1 Composite Pretest

Matrix: Solid Prep Type: Leach

Analysis Batch: 130986

pH 4.99 4.990 SU 0 2

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-89685-13 DU Client Sample ID: VS Event 1 Composite Pretest

Matrix: Solid Prep Type: Leach

Analysis Batch: 131464

pH 3.77 3.770 SU 0 2

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-89685-19 DU Client Sample ID: VS Event 1 Composite pH 13.00

Matrix: Solid Prep Type: Leach

Analysis Batch: 131469

pH 12.6 12.63 SU 0 2

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Method: SM 2510B - Conductivity, Specific Conductance

Lab Sample ID: MB 180-131075/2 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131075

RL RL

Specific Conductance <1.00 1.00 1.00 umhos/cm 01/08/15 11:45 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Method: SM 2510B - Conductivity, Specific Conductance (Continued)

Lab Sample ID: MB 180-131477/3 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131477

RL RL

Specific Conductance <1.00 1.00 1.00 umhos/cm 01/21/15 10:08 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: MB 180-131480/3 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 131480

RL RL

Specific Conductance <1.00 1.00 1.00 umhos/cm 01/22/15 10:07 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: 500-89685-18 DU Client Sample ID: VS Event 1 Composite pH 7.00

Matrix: Solid Prep Type: Leach

Analysis Batch: 131075

Specific Conductance 6040 6060 umhos/cm 0.4 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-89685-17 DU Client Sample ID: VS Event 1 Composite pH 2.88

Matrix: Solid Prep Type: Leach

Analysis Batch: 131477

Specific Conductance 53300 53210 umhos/cm 0.2 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-89685-19 DU Client Sample ID: VS Event 1 Composite pH 13.00

Matrix: Solid Prep Type: Leach

Analysis Batch: 131480

Specific Conductance 29400 29370 umhos/cm 0 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Method: SM 2580B - Reduction-Oxidation (REDOX) Potential

Lab Sample ID: 500-89685-18 DU Client Sample ID: VS Event 1 Composite pH 7.00

Matrix: Solid Prep Type: Leach

Analysis Batch: 131076

Oxidation Reduction Potential 138 137.0 millivolts 0.7 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-89685-17 DU Client Sample ID: VS Event 1 Composite pH 2.88

Matrix: Solid Prep Type: Leach

Analysis Batch: 131471

Oxidation Reduction Potential 367 370.0 millivolts 0.8 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Method: SM 2580B - Reduction-Oxidation (REDOX) Potential (Continued)

Lab Sample ID: 500-89685-19 DU Client Sample ID: VS Event 1 Composite pH 13.00

Matrix: Solid Prep Type: Leach

Analysis Batch: 131472

Oxidation Reduction Potential - 58 - 58 millivolts NC 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite Pretest Lab Sample ID: 500-89685-13

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Analysis 2540G 1 129965 01/05/15 10:03 RJ TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Total/NA Analysis 2540G 1 131116 01/19/15 12:59 RJ TAL PIT

Total/NA Analysis 2540G 1 129563 12/30/14 08:31 RJ TAL PIT

Leach Analysis 9040C 1 130986 01/08/15 10:30 LWM TAL PIT

Leach Leach 1313 130334 01/09/15 11:00 LWM TAL PIT

Leach Analysis 9040C 1 130986 01/08/15 10:30 LWM TAL PIT

Leach Leach 1313 130334 01/09/15 11:00 LWM TAL PIT

Leach Leach 1313 130334 01/09/15 11:00 LWM TAL PIT

Leach Analysis 9040C 1 130986 01/09/15 11:30 LWM TAL PIT

Leach Leach 1313 130334 01/09/15 11:00 LWM TAL PIT

Leach Analysis 9040C 1 130986 01/09/15 11:30 LWM TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis 9040C 1 131464 01/21/15 10:06 LWM TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis 9040C 1 131464 01/21/15 10:13 LWM TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis 9040C 1 131464 01/21/15 10:16 LWM TAL PIT

Client Sample ID: Blank pH 2.88 Lab Sample ID: 500-89685-14

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 131364 01/21/15 15:09 NAK TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis 9040C 1 131464 01/21/15 10:23 LWM TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis SM 2580B 1 131471 01/21/15 10:20 LWM TAL PIT

Client Sample ID: Blank pH 7.00 Lab Sample ID: 500-89685-15

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 130338 01/08/15 13:12 NAK TAL PIT

Leach Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Leach Analysis 9040C 1 130986 01/08/15 10:30 LWM TAL PIT

Leach Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Leach Analysis SM 2510B 1 131075 01/08/15 12:30 LWM TAL PIT

Leach Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Leach Analysis SM 2580B 1 131076 01/08/15 12:30 LWM TAL PIT

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: Blank pH 13.0 Lab Sample ID: 500-89685-16

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 131470 01/22/15 11:25 NAK TAL PIT

Leach Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Leach Analysis 9040C 1 131469 01/22/15 10:31 LWM TAL PIT

Leach Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Leach Analysis SM 2510B 1 131480 01/22/15 10:18 LWM TAL PIT

Leach Analysis SM 2580B 1 131472 01/22/15 10:00 LWM TAL PIT

Leach Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Client Sample ID: VS Event 1 Composite pH 2.88 Lab Sample ID: 500-89685-17

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 131364 01/21/15 15:10 NAK TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis 9040C 1 131464 01/21/15 10:20 LWM TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis SM 2510B 1 131477 01/21/15 10:12 LWM TAL PIT

Leach Leach 1313 131325 01/21/15 09:10 LWM TAL PIT

Leach Analysis SM 2580B 1 131471 01/21/15 10:00 LWM TAL PIT

Client Sample ID: VS Event 1 Composite pH 7.00 Lab Sample ID: 500-89685-18

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 130338 01/08/15 13:12 NAK TAL PIT

Leach Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Leach Analysis 9040C 1 130986 01/08/15 10:30 LWM TAL PIT

Leach Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Leach Analysis SM 2510B 1 131075 01/08/15 12:00 LWM TAL PIT

Leach Leach 1313 130334 01/08/15 10:15 LWM TAL PIT

Leach Analysis SM 2580B 1 131076 01/08/15 12:00 LWM TAL PIT

Client Sample ID: VS Event 1 Composite pH 13.00 Lab Sample ID: 500-89685-19

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 1 Composite pH 13.00 Lab Sample ID: 500-89685-19

Date Collected: 12/17/14 15:20 Matrix: Solid

Date Received: 12/18/14 09:45

Analysis 7196A 1 131470 01/22/15 11:26 NAK TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Leach Analysis 9040C 1 131469 01/22/15 10:23 LWM TAL PIT

Leach Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Leach Analysis SM 2510B 1 131480 01/22/15 10:11 LWM TAL PIT

Leach Analysis SM 2580B 1 131472 01/22/15 10:00 LWM TAL PIT

Leach Leach 1313 131458 01/22/15 10:00 LWM TAL PIT

Laboratory References:

TAL PIT = TestAmerica Pittsburgh, 301 Alpha Drive, RIDC Park, Pittsburgh, PA 15238, TEL (412)963-7058

TestAmerica Chicago

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Certification Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-89685-3

Project/Site: John Deere Des Moines Works Delisting

Laboratory: TestAmerica Chicago

The certifications listed below are applicable to this report.

Authority Program EPA Region Certification ID Expiration Date

Iowa State Program 7 82 05-01-16

Laboratory: TestAmerica Pittsburgh

All certifications held by this laboratory are listed. Not all certifications are applicable to this report.

Authority Program EPA Region Certification ID Expiration Date

Arkansas DEQ State Program 6 88-0690 06-27-15

California State Program 9 2891 03-31-15

Connecticut State Program 1 PH-0688 09-30-16

Florida NELAP 4 E871008 06-30-15

Illinois NELAP 5 002602 06-30-15

Kansas NELAP 7 E-10350 03-31-15

Louisiana NELAP 6 04041 06-30-15

New Hampshire NELAP 1 203011 04-04-15

New Jersey NELAP 2 PA005 06-30-15

New York NELAP 2 11182 03-31-15

North Carolina (WW/SW) State Program 4 434 12-31-15

Pennsylvania NELAP 3 02-00416 04-30-15

South Carolina State Program 4 89014 04-30-15

Texas NELAP 6 T104704528 03-31-15

US Fish & Wildlife Federal LE94312A-1 11-30-15

USDA Federal P330-10-00139 05-23-16

Utah NELAP 8 STLP 05-31-15

Virginia NELAP 3 460189 09-14-15

West Virginia DEP State Program 3 142 01-31-15 *

TestAmerica Chicago

* Certification renewal pending - certification considered valid.

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Login Sample Receipt Checklist

Client: MWH Americas Inc Job Number: 500-89685-3

Login Number: 89685

Question Answer Comment

Creator: Scott, Sherri L

List Source: TestAmerica Chicago

List Number: 1

Radioactivity wasn't checked or is </= background as measured by a survey True

meter.

The cooler's custody seal, if present, is intact. True

Sample custody seals, if present, are intact. True

The cooler or samples do not appear to have been compromised or True

tampered with.

Samples were received on ice. True

Cooler Temperature is acceptable. True

Cooler Temperature is recorded. True 2.7

COC is present. True

COC is filled out in ink and legible. True

COC is filled out with all pertinent information. True

Is the Field Sampler's name present on COC? True

There are no discrepancies between the containers received and the COC. True

Samples are received within Holding Time. True

Sample containers have legible labels. True

Containers are not broken or leaking. True

Sample collection date/times are provided. True

Appropriate sample containers are used. True

Sample bottles are completely filled. True

Sample Preservation Verified. True

There is sufficient vol. for all requested analyses, incl. any requested True

MS/MSDs

Containers requiring zero headspace have no headspace or bubble is True

<6mm (1/4").

Multiphasic samples are not present. True

Samples do not require splitting or compositing. True

Residual Chlorine Checked. N/A

TestAmerica Chicago Page 31 of 32 1/26/2015

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Login Sample Receipt Checklist

Client: MWH Americas Inc Job Number: 500-89685-3

Login Number: 89685

Question Answer Comment

Creator: Lonzo, Michael A

List Source: TestAmerica Pittsburgh

List Number: 2 List Creation: 12/23/14 02:44 PM

Radioactivity wasn't checked or is </= background as measured by a survey True

meter.

The cooler's custody seal, if present, is intact. True

Sample custody seals, if present, are intact. True

The cooler or samples do not appear to have been compromised or True

tampered with.

Samples were received on ice. True

Cooler Temperature is acceptable. True

Cooler Temperature is recorded. True

COC is present. True

COC is filled out in ink and legible. True

COC is filled out with all pertinent information. True

Is the Field Sampler's name present on COC? True

There are no discrepancies between the containers received and the COC. True

Samples are received within Holding Time. True

Sample containers have legible labels. True

Containers are not broken or leaking. True

Sample collection date/times are provided. True

Appropriate sample containers are used. True

Sample bottles are completely filled. True

Sample Preservation Verified. True

There is sufficient vol. for all requested analyses, incl. any requested True

MS/MSDs

Containers requiring zero headspace have no headspace or bubble is True

<6mm (1/4").

Multiphasic samples are not present. True

Samples do not require splitting or compositing. True

Residual Chlorine Checked. N/A

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