TABLE 1

WASTE DELISTING VERIFICATION SAMPLING RESULTS (FILTER CAKE SAMPLE DATA)

JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Sample ID

Sample Date

Laboratory ID

Analytes Units

Min. Max. Min. Max.

Metals (Total)

Antimony mg/kg 103 NA NA 34.2 57.2 NA NA <36.6 Arsenic mg/kg 52 NA NA <4.01 <42.6 NA NA <18.3 Barium mg/kg 965 322 643 367 497 NA NA 407 Beryllium mg/kg 21 NA NA <1.47 <17.0 NA NA <1.47 Cadmium mg/kg 10 NA NA 1.37 <8.51 NA NA 1.37 B Chromium (total) mg/kg 22,500 8,710 15,000 5,150 12,200 NA NA 5,150 Hexavalent Chromium mg/kg 20 <3.33 13.6 <3.71 13.1 NA NA <3.71 Cobalt mg/kg 11 NA NA 4.94 7.02 NA NA 5.60 Copper mg/kg 1439 278 959 268 302 NA NA 281 Lead mg/kg 437 165 291 143 303 NA NA 253 Mercury mg/kg 1 0.116 0.635 0.0527 0.174 NA NA 0.169 Nickel mg/kg 1515 70.2 1010 46.7 63.2 NA NA 55.7 Selenium mg/kg 52 NA NA <3.66 <42.6 NA NA <3.66 Silver mg/kg 26 NA NA 0.803 5.24 NA NA 0.884 J Thallium mg/kg 52 NA NA <3.66 <42.6 NA NA <3.66 Tin mg/kg 68 NA NA 52.1 535 NA NA 132 B 

Vanadium mg/kg 380 24.8 253 12.8 202 NA NA 12.8 Zinc mg/kg 5,085 346 3,390 445 981 NA NA 895 B 

Metals TCLP (Method 1311)

Arsenic mg/L 5.0 NA NA <0.0500 <0.0500 NA NA <0.0500 Barium mg/L 100.0 0.0 <0.500 <0.500 <0.500 NA NA <0.500 Cadmium mg/L 1.0 NA NA <0.00500 <0.00500 NA NA <0.00500 ^ Chromium mg/L 5.0 0.0120 0.8 <0.0250 <0.0250 NA NA <0.0250 Lead mg/L 5.0 <0.0500 <0.0500 <0.0500 <0.0500 NA NA <0.0500 Mercury mg/L 0.2 0.0000559 <0.00020 <0.00020 <0.00020 NA NA <0.00020 Nickel mg/L 32.4 0.0461 0.744 0.0269 0.0655 NA NA 0.0358 

General Chemistry

Ignitability Degrees F 140 >176 >176 >176 >176 NA NA >176 

Cyanide (Total) mg/kg 3 0.613 <2.04 1.49 <2.21 NA NA 1.49 J,B 

Sulfide mg/kg -- 166 817 398 636 NA NA 636 

Sulfide, Reactive mg/kg -- <47.0 <49.3 <48.6 <50.0 NA NA <49.7 pH SU >2 and <12.5 9.02 9.87 8.27 8.37 NA NA 8.27 

Oil & Grease mg/kg 32,250 6,920 21,500 4,150 21,400 NA NA 10,700 

Total Solids % -- 27 

Volatile Organic Compounds

Acetone mg/kg 8 2.390 9.13 4.42 6.890 4.42 5.71 NA Methyl ethyl ketone mg/kg 0.3 0.0118 0.191 <2.250 0.238 0.314 0.238 NA 

Metal (Method 1313)

Hexavalent Chromium mg/L 0.087 NA NA 0.00234 0.288 NA NA NA 

pH (Method 1313 Target) SU -- NA NA 7 2.88 NA NA NA 

Dataset Before Final 

Exclusion (Initial Event 2011 

and 6 Events in 2012) 

EPA Delisting 

Levelsa

Dataset After Final Exclusion 

(Verification Events 

2014/2015)

VS Event 1 

Discrete 1

12/17/2014

500-89685-1

VS Event 1 

Discrete 1D

12/17/2014

500-89685-2

VS Event 1

 Composite 1

12/17/2014

500-89685-3
TABLE 1

WASTE DELISTING VERIFICATION SAMPLING RESULTS (FILTER CAKE SAMPLE DATA)

JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Sample ID

Sample Date

Laboratory ID

Analytes Units

Min. Max. Min. Max.

Metals (Total)

Antimony mg/kg 103 NA NA 34.2 57.2Arsenic mg/kg 52 NA NA <4.01 <42.6Barium mg/kg 965 322 643 367 497Beryllium mg/kg 21 NA NA <1.47 <17.0Cadmium mg/kg 10 NA NA 1.37 <8.51Chromium (total) mg/kg 22,500 8,710 15,000 5,150 12,200Hexavalent Chromium mg/kg 20 <3.33 13.6 <3.71 13.1Cobalt mg/kg 11 NA NA 4.94 7.02Copper mg/kg 1439 278 959 268 302Lead mg/kg 437 165 291 143 303Mercury mg/kg 1 0.116 0.635 0.0527 0.174Nickel mg/kg 1515 70.2 1010 46.7 63.2Selenium mg/kg 52 NA NA <3.66 <42.6Silver mg/kg 26 NA NA 0.803 5.24Thallium mg/kg 52 NA NA <3.66 <42.6Tin mg/kg 68 NA NA 52.1 535Vanadium mg/kg 380 24.8 253 12.8 202Zinc mg/kg 5,085 346 3,390 445 981

Metals TCLP (Method 1311)

Arsenic mg/L 5.0 NA NA <0.0500 <0.0500Barium mg/L 100.0 0.0 <0.500 <0.500 <0.500Cadmium mg/L 1.0 NA NA <0.00500 <0.00500Chromium mg/L 5.0 0.0120 0.8 <0.0250 <0.0250Lead mg/L 5.0 <0.0500 <0.0500 <0.0500 <0.0500Mercury mg/L 0.2 0.0000559 <0.00020 <0.00020 <0.00020Nickel mg/L 32.4 0.0461 0.744 0.0269 0.0655

General Chemistry

Ignitability Degrees F 140 >176 >176 >176 >176

Cyanide (Total) mg/kg 3 0.613 <2.04 1.49 <2.21

Sulfide mg/kg -- 166 817 398 636

Sulfide, Reactive mg/kg -- <47.0 <49.3 <48.6 <50.0pH SU >2 and <12.5 9.02 9.87 8.27 8.37

Oil & Grease mg/kg 32,250 6,920 21,500 4,150 21,400

Total Solids % --

Volatile Organic Compounds

Acetone mg/kg 8 2.390 9.13 4.42 6.890Methyl ethyl ketone mg/kg 0.3 0.0118 0.191 <2.250 0.238

Metal (Method 1313)

Hexavalent Chromium mg/L 0.087 NA NA 0.00234 0.288pH (Method 1313 Target) SU -- NA NA 7 2.88

Dataset Before Final 

Exclusion (Initial Event 2011 

and 6 Events in 2012) 

EPA Delisting 

Levelsa

Dataset After Final Exclusion 

(Verification Events 

2014/2015)

NA 57.2 J 

NA <42.6 NA 497 

NA <17.0 NA <8.51 NA 12,200 

NA 13.1 

NA 7.02 J 

NA 302 B 

NA 143 

NA 0.0979 

NA 46.7 

NA <42.6 NA 5.24 J 

NA <42.6 NA 535 B 

NA 202 

NA 955 B 

NA <0.0500 

NA <0.500 NA <0.00500 

NA <0.0250 

NA <0.0500 

NA <0.000200 NA 0.0269 

NA >176 

NA <2.21 NA 398 

NA <50.0 NA 8.37 

NA 4,150 

20.0 22.4

6.890 NA 

<2.250 NA 

NA NA 

NA NA 

VS Event 2 Composite 1

2/2/2015

500-91647-2

VS Event 2 Discrete 1

2/2/2015

500-91647-1 

VS 
TABLE 1

WASTE DELISTING VERIFICATION SAMPLING RESULTS (FILTER CAKE SAMPLE DATA)

JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Sample ID

Sample Date

Laboratory ID

Analytes Units

Min. Max. Min. Max.

Metals (Total)

Antimony mg/kg 103 NA NA 34.2 57.2Arsenic mg/kg 52 NA NA <4.01 <42.6Barium mg/kg 965 322 643 367 497Beryllium mg/kg 21 NA NA <1.47 <17.0Cadmium mg/kg 10 NA NA 1.37 <8.51Chromium (total) mg/kg 22,500 8,710 15,000 5,150 12,200Hexavalent Chromium mg/kg 20 <3.33 13.6 <3.71 13.1Cobalt mg/kg 11 NA NA 4.94 7.02Copper mg/kg 1439 278 959 268 302Lead mg/kg 437 165 291 143 303Mercury mg/kg 1 0.116 0.635 0.0527 0.174Nickel mg/kg 1515 70.2 1010 46.7 63.2Selenium mg/kg 52 NA NA <3.66 <42.6Silver mg/kg 26 NA NA 0.803 5.24Thallium mg/kg 52 NA NA <3.66 <42.6Tin mg/kg 68 NA NA 52.1 535Vanadium mg/kg 380 24.8 253 12.8 202Zinc mg/kg 5,085 346 3,390 445 981

Metals TCLP (Method 1311)

Arsenic mg/L 5.0 NA NA <0.0500 <0.0500Barium mg/L 100.0 0.0 <0.500 <0.500 <0.500Cadmium mg/L 1.0 NA NA <0.00500 <0.00500Chromium mg/L 5.0 0.0120 0.8 <0.0250 <0.0250Lead mg/L 5.0 <0.0500 <0.0500 <0.0500 <0.0500Mercury mg/L 0.2 0.0000559 <0.00020 <0.00020 <0.00020Nickel mg/L 32.4 0.0461 0.744 0.0269 0.0655

General Chemistry

Ignitability Degrees F 140 >176 >176 >176 >176

Cyanide (Total) mg/kg 3 0.613 <2.04 1.49 <2.21

Sulfide mg/kg -- 166 817 398 636

Sulfide, Reactive mg/kg -- <47.0 <49.3 <48.6 <50.0pH SU >2 and <12.5 9.02 9.87 8.27 8.37

Oil & Grease mg/kg 32,250 6,920 21,500 4,150 21,400

Total Solids % --

Volatile Organic Compounds

Acetone mg/kg 8 2.390 9.13 4.42 6.890Methyl ethyl ketone mg/kg 0.3 0.0118 0.191 <2.250 0.238

Metal (Method 1313)

Hexavalent Chromium mg/L 0.087 NA NA 0.00234 0.288

pH (Method 1313 Target) SU -- NA NA 7 2.88

Dataset Before Final 

Exclusion (Initial Event 2011 

and 6 Events in 2012) 

EPA Delisting 

Levelsa

Dataset After Final Exclusion 

(Verification Events 

2014/2015)

NA 34.2 

NA <4.01 

NA 367 

NA <1.61 

NA 1.97 

NA 9,630 

NA 8.13 

NA 4.94 

NA 268 

NA 149 

NA 0.0527 J 

NA 58.9 NA <4.01 

NA 0.803 J 

NA <4.01 

NA 52.1 

NA 160 

NA 445 

NA <0.0500 

NA <0.500 

NA <0.00500 

NA <0.0250 

NA <0.0500 

NA <0.00020 

NA 0.0655 

NA >176 

NA 0.956 J 

NA 122 

NA <49.7 

NA 8.59 

NA 5,110 

24

<1.870 NA 

<1.870 NA 

NA NA NA NA 

Notes:

1) Sample "VS Event 1 Discrete 1D" is a duplicate of sample "VS Event 1 Discrete 1"  sample "VS Event 1 Composite 1."2) Sample results in bold text are greater than the applicable Delisting Level.

a Delisting levels are referenced from EPA-R07-RCRA-1014-0452; FRK09919-72-Re

 Listing of Hazardous Waste; Final Exclusion; Table 1 Paragraph 1. (A), (B), (D).-- = Not established.EPA = United States Environmental Protection Agency. VS = Verifmg/kg = Milligram per kilogram. TCLP = Tomg/L = Milligram per liter. < = Less thMax. - Maximum. > = GreateMin. = Minimum.NA = Analysis not required.

J = Result  and the 

VS E

VS Event 3 Discrete 1

4/6/2015

500-94259-1

VS Event 3 Composite 1

4/6/2015

500-94259-2
TABLE 2

WASTE DELISTING VERIFICATION SAMPLING RESULTS (SW846 METHOD 1330 SAMPLE DATA)

JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Sample ID

VS Event 1 

Composite 

1D

VS Event 1 

Composite 

1D

VS Event 1 

Composite 

1D

Sample Date 12/17/2014 12/17/2014 12/17/2014 

Laboratory ID 1L41353-02 1L41353-03 1L41353-04 Comparis

EPA 

Delisting 

THF

 Extract

Toluene 

Extract TCLP Extract MMC

Extract w

Maximu

Concentr

Analytes Units Levelsa Min. Max. Min. Max,

Metals TCLP (Method 1330)

Arsenic mg/L 5.0 * NA * <0.050 <0.050 <0.050 <0.050 <0.050 No Differe

Barium mg/L 100.0 * 0.037 * 0.062 <0.010 <0.010 0.114 0.062 TCLP 

Cadmium mg/L 1.0 * NA * <0.005 <0.005 <0.005 <0.005 <0.005 No Differe

Chromium mg/L 5.0 * 0.039 * 0.027 0.047 <0.020 <0.020 0.027 THF 

Copper mg/L -- * 0.423 * NA NA NA NA NA 

Mercury mg/L 0.2 * <0.0005 * 0.0005 <0.0005 0.0008 <0.0005 0.0005 No Differe

Nickel mg/L 32.4 * 0.239 * 0.267 0.803 0.045 0.079 0.267 THF 

Lead mg/L 5.0 * 0.028 * <0.020 <0.020 <0.020 <0.020 <0.020 No Differe

Vanadium mg/L -- * <0.078 * NA NA NA NA NA 

Zinc mg/L -- * 0.026 * NA NA NA NA NA 

Extract Volume ml 303 253 563 1,119

Notes:

MMC = Mobile metal concentration.

THF = Tetrahydrofuran. TCLP = Toxicity Characteristic Leaching Procedure.mg/L = Milligram per liter. VS = Verification Sample.

ml = Milliliter. EPA = United States Environmental Protection Agency

Max. = Maximum. NA = Analysis not required.Min. = Minimum. -- = Analyte not required in Final Exclusion.

VS Event 1 

Composite 

1D

MMC Dataset Before Final 

Exclusion (Initial Event 2011 

and 6 Events in 2012) 

MMC Dataset After Final 

Exclusion (Verification 

Events 2014/2015)

** Filter cake sample Oil and Grease result < 1%. SW846 Method 1330 analysis not required.* One sample in dataset.

a Delisting levels are referenced from EPA-R07-RCRA-1014-0452; FRK09919-72-Region-7 Hazardous Waste Management System; Identification and Listing of 

 Hazardous Waste; Final Exclusion; Table 1 Paragraph 1. (B).
TABLE 3

WASTE DELISTING VERIFICATION SAMPLING (EQUIPMENT BLANK AND TRIP BLANK DATA

JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Sample ID VS Event 1 Trip Blank VS Event 2 Trip Blank

Sample Date 12/17/2014 2/2/2015

Laboratory ID 500-89685-6 500-91647-4

Analytes Units

Metals (Total)

Antimony mg/L <0.0200 NA <0.0200 NA Arsenic mg/L <0.0100 NA <0.0100 NA Barium mg/L <0.0100 NA <0.0100 NA Beryllium mg/L <0.00400 NA <0.00400 NA Cadmium mg/L <0.00200 NA <0.00200 NA Chromium (total) mg/L <0.0100 NA <0.0100 NA Hexavalent Chromium mg/L <0.0100 NA <0.0100 NA Cobalt mg/L <0.00500 NA <0.00500 NA Copper mg/L <0.0100 NA <0.0100 NA Lead mg/L <0.00500 NA <0.00500 NA Mercury mg/L <0.000200 NA <0.000200 NA Nickel mg/L <0.0100 NA <0.0100 NA Selenium mg/L <0.0100 NA <0.0100 NA Silver mg/L <0.00500 NA <0.00500 NA Thallium mg/L <0.0100 NA <0.0100 NA Tin mg/L <0.0400 NA <0.0400 NA Vanadium mg/L <0.00500 NA <0.00500 NA Zinc mg/L 0.00542 J,B, ^ NA <0.0200 ^ NA 

General Chemistry

Cyanide (Total) mg/L <0.0100 NA <0.0100 NA Sulfide mg/L <1.00 NA <1.00 NA Sulfide, Reactive mg/L <1.00 NA <1.00 NA pH SU 7.56 NA 4.7 NA Oil & Grease mg/L <5.03 NA 1.33 J,B NA 

Volatile Organic Compounds

Acetone mg/L <0.005 <0.005 <0.005 <0.005 Methyl ethyl ketone mg/L <0.005 <0.005 <0.005 <0.005 

Notes:

 mg/L = Milligram per liter.

NA = Analysis not required.

 SU = Standard unit. VS = Verification Sample.

< = Less than.B = Compound was found in the blank and sample.J = Result is less than the Reporting Limit (RL) but greater than or equal to the Method Detection Limit (MDL) and the concentration is an approximate value.

 ^ = Instrument related quality control (QC) exceeds the control limits. Data is reported by the laboratory, as explained in the analytical report case narrative. 

VS Event 2 EB 1

2/2/2015

500-91647-3

VS Event 1 EB 1

12/17/2014

500-89685-5




Photographic Log

Page 1 of 1

Client: John Deere Des Moines

Works

Project: Filter Cake Waste Delisting

Verification Sampling Event

No. 3

Site Name: JDDMW - Ankeny, IA Site Location: Building No. 16

Photograph ID: 1

Photo Location:

John Deere Des Moines

Works - Building No. 16

Direction:

View North

Survey Date:

4/6/2015

Comments:

Sampling equipment for

Event 3 of Waste Delisting

Verification sampling per

EPA Final Exclusion Rule.

Photograph ID: 2

Photo Location:

John Deere Des Moines

Works - Building No. 16

Direction:

View South

Survey Date:

4/6/2015

Comments:

Filter cake in collection box.

Material in box is drop #2

of current box.

ANALYTICAL REPORT

TestAmerica Laboratories, Inc.

TestAmerica Chicago

2417 Bond Street

University Park, IL 60484

Tel: (708)534-5200

TestAmerica Job ID: 500-94259-1

Client Project/Site: John Deere Des Moines Works Delisting

For:

MWH Americas Inc

11153 Aurora Avenue

Des Moines, Iowa 50322-7904

Attn: Mr. Robert Malcomson

Authorized for release by:

4/23/2015 3:14:44 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: 500-94259-1

Page 2 of 34

TestAmerica Chicago

4/23/2015

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

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

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

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

Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

QC Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Surrogate Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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Case Narrative

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Job ID: 500-94259-1

Laboratory: TestAmerica Chicago

Narrative

Job Narrative

500-94259-1

Comments

No additional comments. 

Receipt 

The samples were received on 4/7/2015 10:15 AM; the samples arrived in good condition, properly preserved and, where required, on ice. 

The temperature of the cooler at receipt was 1.5o C.

GC/MS VOA 

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

Metals 

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

General Chemistry 

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

TestAmerica Chicago Page 3 of 34 4/23/2015

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Detection Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Discrete 1 Lab Sample ID: 500-94259-1

 No Detections.

Client Sample ID: VS Event 3 Composite 1 Lab Sample ID: 500-94259-2

Antimony ☼

RL

8.03 mg/Kg

MDL

1.67

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

34.2 1 6010B Total/NA

Barium 367 4.01 0.734 mg/Kg 1 ☼ 6010B Total/NA

Cadmium 1.97 0.803 0.232 mg/Kg 1 ☼ 6010B Total/NA

Chromium 9630 4.01 0.690 mg/Kg 1 ☼ 6010B Total/NA

Cobalt 4.94 2.01 0.454 mg/Kg 1 ☼ 6010B Total/NA

Copper 268 4.01 0.871 mg/Kg 1 ☼ 6010B Total/NA

Lead 149 2.01 0.999 mg/Kg 1 ☼ 6010B Total/NA

Nickel 58.9 4.01 1.09 mg/Kg 1 ☼ 6010B Total/NA

Silver 0.803 J 2.01 0.470 mg/Kg 1 ☼ 6010B Total/NA

Tin 52.1 B 16.1 2.45 mg/Kg 1 ☼ 6010B Total/NA

Vanadium 160 2.01 0.586 mg/Kg 1 ☼ 6010B Total/NA

Zinc 445 8.03 2.54 mg/Kg 1 ☼ 6010B Total/NA

Nickel 0.0655 0.0250 0.0100 mg/L 1 6010B TCLP

Mercury 0.0527 J 0.0651 0.0227 mg/Kg 1 ☼ 7471B Total/NA

Flashpoint >176 40.0 40.0 Degrees F 1 1010A Total/NA

Chromium, hexavalent 8.13 4.08 1.86 mg/Kg 1 ☼ 7196A Total/NA

Cyanide, Total 0.956 J 2.03 0.671 mg/Kg 1 ☼ 9014 Total/NA

Sulfide 122 41.1 19.7 mg/Kg 1 ☼ 9034 Total/NA

pH 8.59 0.200 SU0.200 1 9045C Total/NA

Client Sample ID: VS Event 3 Equipment Blank Lab Sample ID: 500-94259-3

Chromium, hexavalent

RL

0.0100 mg/L

MDL

0.00380

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

J0.00400 1 7196A Total/NA

Cyanide, Total 0.00220 J 0.0100 0.00210 mg/L 1 9014 Total/NA

pH 6.03 HF 0.200 SU0.200 1 9040B Total/NA

Client Sample ID: Trip Blank Lab Sample ID: 500-94259-4

 No Detections.

TestAmerica Chicago

This Detection Summary does not include radiochemical test results.

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Method Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method Method Description Protocol Laboratory

8260B Volatile Organic Compounds (GC/MS) SW846 TAL CHI

6010B Metals (ICP) SW846 TAL CHI

7470A Mercury (CVAA) SW846 TAL CHI

7471B Mercury in Solid or Semisolid Waste (Manual Cold Vapor Technique) SW846 TAL CHI

1010A Ignitability, Pensky-Martens Closed Cup Method SW846 TAL CHI

1664A HEM and SGT-HEM 1664A TAL CHI

7196A Chromium, Hexavalent SW846 TAL CHI

9014 Cyanide SW846 TAL CHI

9034 Sulfide, Reactive SW846 TAL CHI

9034 Sulfide, Acid soluble and Insoluble (Titrimetric) SW846 TAL CHI

9040B pH SW846 TAL CHI

9045C pH SW846 TAL CHI

Moisture Percent Moisture EPA TAL CHI

Protocol References:

1664A = EPA-821-98-002

EPA = US Environmental Protection Agency

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

Laboratory References:

TAL CHI = TestAmerica Chicago, 2417 Bond Street, University Park, IL 60484, TEL (708)534-5200

TestAmerica Chicago

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Sample Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Lab Sample ID Client Sample ID Matrix Collected Received

500-94259-1 VS Event 3 Discrete 1 Solid 04/06/15 13:55 04/07/15 10:15

500-94259-2 VS Event 3 Composite 1 Solid 04/06/15 14:05 04/07/15 10:15

500-94259-3 VS Event 3 Equipment Blank Water 04/06/15 13:30 04/07/15 10:15

500-94259-4 Trip Blank Water 04/06/15 00:00 04/07/15 10:15

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Discrete 1 Lab Sample ID: 500-94259-1

Date Collected: 04/06/15 13:55 Matrix: Solid

Date Received: 04/07/15 10:15 Percent Solids: 23.6

Method: 8260B - Volatile Organic Compounds (GC/MS)

RL MDL

Acetone <1870 1870 486 ug/Kg ☼ 04/08/15 02:34 04/15/15 17:06 50

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

2-Butanone (MEK) <1870 1870 550 ug/Kg ☼ 04/08/15 02:34 04/15/15 17:06 50

1,2-Dichloroethane-d4 (Surr) 101 75 - 125 04/08/15 02:34 04/15/15 17:06 50

Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac

Toluene-d8 (Surr) 98 75 - 120 04/08/15 02:34 04/15/15 17:06 50

4-Bromofluorobenzene (Surr) 98 75 - 120 04/08/15 02:34 04/15/15 17:06 50

Dibromofluoromethane 92 75 - 120 04/08/15 02:34 04/15/15 17:06 50

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 Lab Sample ID: 500-94259-2

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15 Percent Solids: 24.3

Method: 6010B - Metals (ICP)

RL MDL

Antimony 34.2 8.03 1.67 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Arsenic <4.01 4.01 1.85 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Barium 367 4.01 0.734 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Beryllium <1.61 1.61 0.348 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Cadmium 1.97 0.803 0.232 mg/Kg ☼ 04/08/15 09:48 04/09/15 15:10 1

Chromium 9630 4.01 0.690 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Cobalt 4.94 2.01 0.454 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Copper 268 4.01 0.871 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Lead 149 2.01 0.999 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Nickel 58.9 4.01 1.09 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Selenium <4.01 4.01 1.99 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Silver 0.803 J 2.01 0.470 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Thallium <4.01 4.01 1.97 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Tin 52.1 B 16.1 2.45 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Vanadium 160 2.01 0.586 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Zinc 445 8.03 2.54 mg/Kg ☼ 04/08/15 09:48 04/09/15 00:37 1

Method: 6010B - Metals (ICP) - TCLP

RL MDL

Arsenic <0.0500 0.0500 0.0100 mg/L 04/14/15 07:30 04/14/15 22:28 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Barium <0.500 0.500 0.0500 mg/L 04/14/15 07:30 04/14/15 22:28 1

Cadmium <0.00500 0.00500 0.00200 mg/L 04/14/15 07:30 04/14/15 22:28 1

Chromium <0.0250 0.0250 0.0100 mg/L 04/14/15 07:30 04/14/15 22:28 1

Nickel 0.0655 0.0250 0.0100 mg/L 04/14/15 07:30 04/14/15 22:28 1

Lead <0.0500 0.0500 0.00750 mg/L 04/14/15 07:30 04/14/15 22:28 1

Method: 7470A - Mercury (CVAA) - TCLP

RL MDL

Mercury <0.000200 0.000200 0.000200 mg/L 04/14/15 11:30 04/15/15 08:54 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Method: 7471B - Mercury in Solid or Semisolid Waste (Manual Cold Vapor Technique)

RL MDL

Mercury 0.0527 J 0.0651 0.0227 mg/Kg ☼ 04/09/15 14:00 04/10/15 13:00 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

General Chemistry

RL MDL

Flashpoint >176 40.0 40.0 Degrees F 04/07/15 16:20 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Chromium, hexavalent 8.13 4.08 1.86 mg/Kg ☼ 04/20/15 09:58 04/20/15 15:02 1

Cyanide, Total 0.956 J 2.03 0.671 mg/Kg ☼ 04/07/15 14:15 04/07/15 18:24 1

Sulfide 122 41.1 19.7 mg/Kg ☼ 04/08/15 17:20 04/09/15 17:34 1

Sulfide, Reactive <49.7 49.7 3.88 mg/Kg 04/21/15 16:25 04/22/15 12:43 1

pH 8.59 0.200 0.200 SU 04/13/15 15:15 1

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Equipment Blank Lab Sample ID: 500-94259-3

Date Collected: 04/06/15 13:30 Matrix: Water

Date Received: 04/07/15 10:15

Method: 8260B - Volatile Organic Compounds (GC/MS)

RL MDL

Acetone <5.00 5.00 1.29 ug/L 04/15/15 16:13 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

2-Butanone (MEK) <5.00 5.00 1.47 ug/L 04/15/15 16:13 1

1,2-Dichloroethane-d4 (Surr) 98 75 - 125 04/15/15 16:13 1

Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac

Toluene-d8 (Surr) 99 75 - 120 04/15/15 16:13 1

4-Bromofluorobenzene (Surr) 97 75 - 120 04/15/15 16:13 1

Dibromofluoromethane 92 75 - 120 04/15/15 16:13 1

Method: 6010B - Metals (ICP)

RL MDL

Antimony <0.0200 0.0200 0.00642 mg/L 04/07/15 14:00 04/08/15 12:11 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Arsenic <0.0100 0.0100 0.00377 mg/L 04/07/15 14:00 04/08/15 12:11 1

Barium <0.0100 0.0100 0.00224 mg/L 04/07/15 14:00 04/08/15 12:11 1

Beryllium <0.00400 0.00400 0.000851 mg/L 04/07/15 14:00 04/08/15 12:11 1

Cadmium <0.00200 0.00200 0.000939 mg/L 04/07/15 14:00 04/08/15 12:11 1

Chromium <0.0100 0.0100 0.00235 mg/L 04/07/15 14:00 04/08/15 12:11 1

Cobalt <0.00500 0.00500 0.000958 mg/L 04/07/15 14:00 04/08/15 12:11 1

Copper <0.0100 0.0100 0.00220 mg/L 04/07/15 14:00 04/08/15 12:11 1

Lead <0.00500 0.00500 0.00248 mg/L 04/07/15 14:00 04/08/15 12:11 1

Nickel <0.0100 0.0100 0.00314 mg/L 04/07/15 14:00 04/08/15 12:11 1

Selenium <0.0100 0.0100 0.00462 mg/L 04/07/15 14:00 04/08/15 12:11 1

Silver <0.00500 0.00500 0.00132 mg/L 04/07/15 14:00 04/08/15 12:11 1

Thallium <0.0100 0.0100 0.00436 mg/L 04/07/15 14:00 04/08/15 12:11 1

Tin <0.0400 0.0400 0.00495 mg/L 04/07/15 14:00 04/08/15 12:11 1

Vanadium <0.00500 0.00500 0.00186 mg/L 04/07/15 14:00 04/08/15 12:11 1

Zinc <0.0200 0.0200 0.00933 mg/L 04/07/15 14:00 04/08/15 12:11 1

Method: 7470A - Mercury (CVAA)

RL MDL

Mercury <0.000200 0.000200 0.0000611 mg/L 04/07/15 11:15 04/08/15 09:24 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

General Chemistry

RL MDL

HEM (Oil & Grease) <5.05 5.05 0.545 mg/L 04/07/15 18:38 04/07/15 21:52 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Chromium, hexavalent 0.00400 J 0.0100 0.00380 mg/L 04/07/15 12:27 1

Cyanide, Total 0.00220 J 0.0100 0.00210 mg/L 04/07/15 14:15 04/07/15 18:22 1

Sulfide <1.00 1.00 0.219 mg/L 04/08/15 01:37 1

Sulfide, Reactive <1.00 1.00 1.00 mg/L 04/07/15 18:50 04/08/15 01:55 1

pH 6.03 HF 0.200 0.200 SU 04/07/15 14:51 1

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: Trip Blank Lab Sample ID: 500-94259-4

Date Collected: 04/06/15 00:00 Matrix: Water

Date Received: 04/07/15 10:15

Method: 8260B - Volatile Organic Compounds (GC/MS)

RL MDL

Acetone <5.00 5.00 1.29 ug/L 04/15/15 16:40 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

2-Butanone (MEK) <5.00 5.00 1.47 ug/L 04/15/15 16:40 1

1,2-Dichloroethane-d4 (Surr) 97 75 - 125 04/15/15 16:40 1

Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac

Toluene-d8 (Surr) 100 75 - 120 04/15/15 16:40 1

4-Bromofluorobenzene (Surr) 98 75 - 120 04/15/15 16:40 1

Dibromofluoromethane 91 75 - 120 04/15/15 16:40 1

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Definitions/Glossary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Qualifiers

Metals

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

B Compound was found in the blank and sample.

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

F1 MS and/or MSD Recovery is outside acceptance limits.

F2 MS/MSD RPD exceeds control limits

HF Field parameter with a holding time of 15 minutes. Test performed by laboratory at client's request.

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)

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

GC/MS VOA

Prep Batch: 282839

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

500-94259-1 VS Event 3 Discrete 1 Total/NA Solid 5030B

500-94259-1 MS VS Event 3 Discrete 1 Total/NA Solid 5030B

500-94259-1 MSD VS Event 3 Discrete 1 Total/NA Solid 5030B

Analysis Batch: 283845

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 8260B

500-94259-4 Trip Blank Total/NA Water 8260B

LCS 500-283845/4 Lab Control Sample Total/NA Water 8260B

MB 500-283845/6 Method Blank Total/NA Water 8260B

Analysis Batch: 283846

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

500-94259-1 VS Event 3 Discrete 1 Total/NA Solid 8260B 282839

500-94259-1 MS VS Event 3 Discrete 1 Total/NA Solid 8260B 282839

500-94259-1 MSD VS Event 3 Discrete 1 Total/NA Solid 8260B 282839

LCS 500-283846/4 Lab Control Sample Total/NA Solid 8260B

MB 500-283846/6 Method Blank Total/NA Solid 8260B

Metals

Prep Batch: 282734

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 7470A

LCS 500-282734/13-A Lab Control Sample Total/NA Water 7470A

MB 500-282734/12-A Method Blank Total/NA Water 7470A

Prep Batch: 282811

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 3010A

500-94259-3 DU VS Event 3 Equipment Blank Total/NA Water 3010A

500-94259-3 MS VS Event 3 Equipment Blank Total/NA Water 3010A

500-94259-3 MSD VS Event 3 Equipment Blank Total/NA Water 3010A

LCS 500-282811/2-A Lab Control Sample Total/NA Water 3010A

MB 500-282811/1-A Method Blank Total/NA Water 3010A

Prep Batch: 282907

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 3050B

LCS 500-282907/2-A Lab Control Sample Total/NA Solid 3050B

MB 500-282907/1-A Method Blank Total/NA Solid 3050B

Analysis Batch: 282909

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 7470A 282734

LCS 500-282734/13-A Lab Control Sample Total/NA Water 7470A 282734

MB 500-282734/12-A Method Blank Total/NA Water 7470A 282734

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Metals (Continued)

Analysis Batch: 282966

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 6010B 282811

500-94259-3 DU VS Event 3 Equipment Blank Total/NA Water 6010B 282811

500-94259-3 MS VS Event 3 Equipment Blank Total/NA Water 6010B 282811

500-94259-3 MSD VS Event 3 Equipment Blank Total/NA Water 6010B 282811

LCS 500-282811/2-A Lab Control Sample Total/NA Water 6010B 282811

MB 500-282811/1-A Method Blank Total/NA Water 6010B 282811

Analysis Batch: 283046

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 6010B 282907

LCS 500-282907/2-A Lab Control Sample Total/NA Solid 6010B 282907

MB 500-282907/1-A Method Blank Total/NA Solid 6010B 282907

Prep Batch: 283132

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 7471B

LCS 500-283132/13-A Lab Control Sample Total/NA Solid 7471B

MB 500-283132/12-A Method Blank Total/NA Solid 7471B

Analysis Batch: 283247

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 6010B 282907

LCS 500-282907/2-A Lab Control Sample Total/NA Solid 6010B 282907

MB 500-282907/1-A Method Blank Total/NA Solid 6010B 282907

Analysis Batch: 283367

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 7471B 283132

LCS 500-283132/13-A Lab Control Sample Total/NA Solid 7471B 283132

MB 500-283132/12-A Method Blank Total/NA Solid 7471B 283132

Leach Batch: 283591

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

500-94259-2 VS Event 3 Composite 1 TCLP Solid 1311

LB 500-283591/1-B Method Blank TCLP Solid 1311

LB 500-283591/1-C Method Blank TCLP Solid 1311

Prep Batch: 283646

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

500-94259-2 VS Event 3 Composite 1 TCLP Solid 3010A 283591

LB 500-283591/1-B Method Blank TCLP Solid 3010A 283591

LCS 500-283646/2-A Lab Control Sample Total/NA Solid 3010A

Prep Batch: 283703

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

500-94259-2 VS Event 3 Composite 1 TCLP Solid 7470A 283591

LB 500-283591/1-C Method Blank TCLP Solid 7470A 283591

LCS 500-283703/13-A Lab Control Sample Total/NA Solid 7470A

MB 500-283703/12-A Method Blank Total/NA Solid 7470A

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Metals (Continued)

Analysis Batch: 283848

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

500-94259-2 VS Event 3 Composite 1 TCLP Solid 6010B 283646

LB 500-283591/1-B Method Blank TCLP Solid 6010B 283646

LCS 500-283646/2-A Lab Control Sample Total/NA Solid 6010B 283646

Analysis Batch: 283947

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

500-94259-2 VS Event 3 Composite 1 TCLP Solid 7470A 283703

LB 500-283591/1-C Method Blank TCLP Solid 7470A 283703

LCS 500-283703/13-A Lab Control Sample Total/NA Solid 7470A 283703

MB 500-283703/12-A Method Blank Total/NA Solid 7470A 283703

General Chemistry

Analysis Batch: 282706

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid Moisture

Analysis Batch: 282749

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 7196A

500-94259-3 MS VS Event 3 Equipment Blank Total/NA Water 7196A

500-94259-3 MSD VS Event 3 Equipment Blank Total/NA Water 7196A

LCS 500-282749/4 Lab Control Sample Total/NA Water 7196A

MB 500-282749/3 Method Blank Total/NA Water 7196A

Prep Batch: 282752

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9010B

500-94259-2 MS VS Event 3 Composite 1 Total/NA Solid 9010B

500-94259-2 MSD VS Event 3 Composite 1 Total/NA Solid 9010B

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 9010B

500-94259-3 MS VS Event 3 Equipment Blank Total/NA Water 9010B

500-94259-3 MSD VS Event 3 Equipment Blank Total/NA Water 9010B

LCS 500-282752/2-A Lab Control Sample Total/NA Water 9010B

LCS 500-282752/7-A Lab Control Sample Total/NA Solid 9010B

MB 500-282752/1-A Method Blank Total/NA Water 9010B

MB 500-282752/6-A Method Blank Total/NA Solid 9010B

Prep Batch: 282790

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 1664A

LCS 500-282790/2-A Lab Control Sample Total/NA Water 1664A

MB 500-282790/1-A Method Blank Total/NA Water 1664A

Analysis Batch: 282792

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 1664A 282790

LCS 500-282790/2-A Lab Control Sample Total/NA Water 1664A 282790

MB 500-282790/1-A Method Blank Total/NA Water 1664A 282790

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

General Chemistry (Continued)

Analysis Batch: 282807

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9014 282752

500-94259-2 MS VS Event 3 Composite 1 Total/NA Solid 9014 282752

500-94259-2 MSD VS Event 3 Composite 1 Total/NA Solid 9014 282752

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 9014 282752

500-94259-3 MS VS Event 3 Equipment Blank Total/NA Water 9014 282752

500-94259-3 MSD VS Event 3 Equipment Blank Total/NA Water 9014 282752

LCS 500-282752/2-A Lab Control Sample Total/NA Water 9014 282752

LCS 500-282752/7-A Lab Control Sample Total/NA Solid 9014 282752

MB 500-282752/1-A Method Blank Total/NA Water 9014 282752

MB 500-282752/6-A Method Blank Total/NA Solid 9014 282752

Analysis Batch: 282821

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 1010A

Analysis Batch: 282825

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 9040B

500-94259-3 DU VS Event 3 Equipment Blank Total/NA Water 9040B

Prep Batch: 282851

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 7.3.4

LCS 500-282851/2-A Lab Control Sample Total/NA Water 7.3.4

MB 500-282851/1-A Method Blank Total/NA Water 7.3.4

Analysis Batch: 282852

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 9034 282851

LCS 500-282851/2-A Lab Control Sample Total/NA Water 9034 282851

MB 500-282851/1-A Method Blank Total/NA Water 9034 282851

Analysis Batch: 282853

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

500-94259-3 VS Event 3 Equipment Blank Total/NA Water 9034

LCS 500-282853/2 Lab Control Sample Total/NA Water 9034

MB 500-282853/1 Method Blank Total/NA Water 9034

Prep Batch: 282980

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9030B

500-94259-2 MS VS Event 3 Composite 1 Total/NA Solid 9030B

500-94259-2 MSD VS Event 3 Composite 1 Total/NA Solid 9030B

LCS 500-282980/2-A Lab Control Sample Total/NA Solid 9030B

MB 500-282980/1-A Method Blank Total/NA Solid 9030B

Analysis Batch: 283195

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9034 282980

500-94259-2 MS VS Event 3 Composite 1 Total/NA Solid 9034 282980

500-94259-2 MSD VS Event 3 Composite 1 Total/NA Solid 9034 282980

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

General Chemistry (Continued)

Analysis Batch: 283195 (Continued)

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

LCS 500-282980/2-A Lab Control Sample Total/NA Solid 9034 282980

MB 500-282980/1-A Method Blank Total/NA Solid 9034 282980

Analysis Batch: 283587

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9045C

Analysis Batch: 283884

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

500-94259-1 VS Event 3 Discrete 1 Total/NA Solid Moisture

Prep Batch: 284534

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 3060A

LCS 500-284534/2-A Lab Control Sample Total/NA Solid 3060A

LCS 500-284534/3-A Lab Control Sample Total/NA Solid 3060A

MB 500-284534/1-A Method Blank Total/NA Solid 3060A

Analysis Batch: 284626

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 7196A 284534

LCS 500-284534/2-A Lab Control Sample Total/NA Solid 7196A 284534

LCS 500-284534/3-A Lab Control Sample Total/NA Solid 7196A 284534

MB 500-284534/1-A Method Blank Total/NA Solid 7196A 284534

Prep Batch: 284729

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 7.3.4

500-94259-2 MS VS Event 3 Composite 1 Total/NA Solid 7.3.4

500-94259-2 MSD VS Event 3 Composite 1 Total/NA Solid 7.3.4

LCS 500-284729/2-A Lab Control Sample Total/NA Solid 7.3.4

MB 500-284729/1-A Method Blank Total/NA Solid 7.3.4

Analysis Batch: 284983

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9034 284729

500-94259-2 MS VS Event 3 Composite 1 Total/NA Solid 9034 284729

500-94259-2 MSD VS Event 3 Composite 1 Total/NA Solid 9034 284729

LCS 500-284729/2-A Lab Control Sample Total/NA Solid 9034 284729

MB 500-284729/1-A Method Blank Total/NA Solid 9034 284729

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Surrogate Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 8260B - Volatile Organic Compounds (GC/MS)

Matrix: Solid Prep Type: Total/NA

Lab Sample ID Client Sample ID (75-125) (75-120) (75-120) (75-120)

12DCE TOL BFB DBFM

500-94259-1 101 98 98 92

Percent Surrogate Recovery (Acceptance Limits)

VS Event 3 Discrete 1

500-94259-1 MS VS Event 3 Discrete 1 98 98 99 99

500-94259-1 MSD VS Event 3 Discrete 1 97 99 98 98

LCS 500-283846/4 Lab Control Sample 94 99 97 95

MB 500-283846/6 Method Blank 96 100 98 93

Surrogate Legend

12DCE = 1,2-Dichloroethane-d4 (Surr)

TOL = Toluene-d8 (Surr)

BFB = 4-Bromofluorobenzene (Surr)

DBFM = Dibromofluoromethane

Method: 8260B - Volatile Organic Compounds (GC/MS)

Matrix: Water Prep Type: Total/NA

Lab Sample ID Client Sample ID (75-125) (75-120) (75-120) (75-120)

12DCE TOL BFB DBFM

500-94259-3 98 99 97 92

Percent Surrogate Recovery (Acceptance Limits)

VS Event 3 Equipment Blank

500-94259-4 Trip Blank 97 100 98 91

LCS 500-283845/4 Lab Control Sample 94 99 97 95

MB 500-283845/6 Method Blank 96 100 98 93

Surrogate Legend

12DCE = 1,2-Dichloroethane-d4 (Surr)

TOL = Toluene-d8 (Surr)

BFB = 4-Bromofluorobenzene (Surr)

DBFM = Dibromofluoromethane

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 8260B - Volatile Organic Compounds (GC/MS)

Lab Sample ID: 500-94259-1 MS Client Sample ID: VS Event 3 Discrete 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283846 Prep Batch: 282839

Acetone <1870 18700 20350 ug/Kg ☼ 109 48 - 149

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

2-Butanone (MEK) <1870 18700 17210 ug/Kg ☼ 92 53 - 142

1,2-Dichloroethane-d4 (Surr) 75 - 125

Surrogate

98

MS MS

%Recovery Qualifier Limits

Toluene-d8 (Surr) 98 75 - 120

4-Bromofluorobenzene (Surr) 99 75 - 120

Dibromofluoromethane 99 75 - 120

Lab Sample ID: 500-94259-1 MSD Client Sample ID: VS Event 3 Discrete 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283846 Prep Batch: 282839

Acetone <1870 18700 22040 ug/Kg ☼ 118 48 - 149 8 30

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

2-Butanone (MEK) <1870 18700 19150 ug/Kg ☼ 102 53 - 142 11 30

1,2-Dichloroethane-d4 (Surr) 75 - 125

Surrogate

97

MSD MSD

%Recovery Qualifier Limits

Toluene-d8 (Surr) 99 75 - 120

4-Bromofluorobenzene (Surr) 98 75 - 120

Dibromofluoromethane 98 75 - 120

Lab Sample ID: MB 500-283845/6 Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 283845

RL MDL

Acetone <5.00 5.00 1.29 ug/L 04/15/15 10:30 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

2-Butanone (MEK) <5.00 5.00 1.47 ug/L 04/15/15 10:30 1

1,2-Dichloroethane-d4 (Surr) 96 75 - 125 04/15/15 10:30 1

MB MB

Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac

Toluene-d8 (Surr) 100 75 - 120 04/15/15 10:30 1

4-Bromofluorobenzene (Surr) 98 75 - 120 04/15/15 10:30 1

Dibromofluoromethane 93 75 - 120 04/15/15 10:30 1

Lab Sample ID: LCS 500-283845/4 Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 283845

Acetone 50.0 49.19 ug/L 98 48 - 149

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

2-Butanone (MEK) 50.0 47.56 ug/L 95 53 - 142

1,2-Dichloroethane-d4 (Surr) 75 - 125

Surrogate

94

LCS LCS

%Recovery Qualifier Limits

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 8260B - Volatile Organic Compounds (GC/MS) (Continued)

Lab Sample ID: LCS 500-283845/4 Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 283845

Toluene-d8 (Surr) 75 - 120

Surrogate

99

LCS LCS

%Recovery Qualifier Limits

4-Bromofluorobenzene (Surr) 97 75 - 120

Dibromofluoromethane 95 75 - 120

Lab Sample ID: MB 500-283846/6 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283846

RL MDL

Acetone <5.00 5.00 1.30 ug/Kg 04/15/15 10:30 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

2-Butanone (MEK) <5.00 5.00 1.47 ug/Kg 04/15/15 10:30 1

1,2-Dichloroethane-d4 (Surr) 96 75 - 125 04/15/15 10:30 1

MB MB

Surrogate %Recovery Qualifier Limits Prepared Analyzed Dil Fac

Toluene-d8 (Surr) 100 75 - 120 04/15/15 10:30 1

4-Bromofluorobenzene (Surr) 98 75 - 120 04/15/15 10:30 1

Dibromofluoromethane 93 75 - 120 04/15/15 10:30 1

Lab Sample ID: LCS 500-283846/4 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283846

Acetone 50.0 49.19 ug/Kg 98 48 - 149

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

2-Butanone (MEK) 50.0 47.56 ug/Kg 95 53 - 142

1,2-Dichloroethane-d4 (Surr) 75 - 125

Surrogate

94

LCS LCS

%Recovery Qualifier Limits

Toluene-d8 (Surr) 99 75 - 120

4-Bromofluorobenzene (Surr) 97 75 - 120

Dibromofluoromethane 95 75 - 120

Method: 6010B - Metals (ICP)

Lab Sample ID: MB 500-282811/1-A Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

RL MDL

Antimony <0.0200 0.0200 0.00642 mg/L 04/07/15 14:00 04/08/15 12:03 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Arsenic <0.0100 0.0100 0.00377 mg/L 04/07/15 14:00 04/08/15 12:03 1

Barium <0.0100 0.0100 0.00224 mg/L 04/07/15 14:00 04/08/15 12:03 1

Beryllium <0.00400 0.00400 0.000851 mg/L 04/07/15 14:00 04/08/15 12:03 1

Cadmium <0.00200 0.00200 0.000939 mg/L 04/07/15 14:00 04/08/15 12:03 1

Chromium <0.0100 0.0100 0.00235 mg/L 04/07/15 14:00 04/08/15 12:03 1

Cobalt <0.00500 0.00500 0.000958 mg/L 04/07/15 14:00 04/08/15 12:03 1

Copper <0.0100 0.0100 0.00220 mg/L 04/07/15 14:00 04/08/15 12:03 1

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 6010B - Metals (ICP) (Continued)

Lab Sample ID: MB 500-282811/1-A Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

RL MDL

Lead <0.00500 0.00500 0.00248 mg/L 04/07/15 14:00 04/08/15 12:03 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Nickel <0.0100 0.0100 0.00314 mg/L 04/07/15 14:00 04/08/15 12:03 1

Selenium <0.0100 0.0100 0.00462 mg/L 04/07/15 14:00 04/08/15 12:03 1

Silver <0.00500 0.00500 0.00132 mg/L 04/07/15 14:00 04/08/15 12:03 1

Thallium <0.0100 0.0100 0.00436 mg/L 04/07/15 14:00 04/08/15 12:03 1

Tin <0.0400 0.0400 0.00495 mg/L 04/07/15 14:00 04/08/15 12:03 1

Vanadium <0.00500 0.00500 0.00186 mg/L 04/07/15 14:00 04/08/15 12:03 1

Zinc <0.0200 0.0200 0.00933 mg/L 04/07/15 14:00 04/08/15 12:03 1

Lab Sample ID: LCS 500-282811/2-A Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

Antimony 0.500 0.5080 mg/L 102 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Arsenic 0.100 0.1029 mg/L 103 80 - 120

Barium 2.00 2.051 mg/L 103 80 - 120

Beryllium 0.0500 0.04928 mg/L 99 80 - 120

Cadmium 0.0500 0.05107 mg/L 102 80 - 120

Chromium 0.200 0.2011 mg/L 101 80 - 120

Cobalt 0.500 0.5126 mg/L 103 80 - 120

Copper 0.250 0.2543 mg/L 102 80 - 120

Lead 0.100 0.1001 mg/L 100 80 - 120

Nickel 0.500 0.5084 mg/L 102 80 - 120

Selenium 0.100 0.09412 mg/L 94 80 - 120

Silver 0.0500 0.04719 mg/L 94 80 - 120

Thallium 0.100 0.1035 mg/L 104 80 - 120

Tin 1.00 1.013 mg/L 101 80 - 120

Vanadium 0.500 0.5182 mg/L 104 80 - 120

Zinc 0.500 0.4964 mg/L 99 80 - 120

Lab Sample ID: 500-94259-3 MS Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

Antimony <0.0200 0.500 0.5008 mg/L 100 75 - 125

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Arsenic <0.0100 0.100 0.1036 mg/L 104 75 - 125

Barium <0.0100 2.00 2.023 mg/L 101 75 - 125

Beryllium <0.00400 0.0500 0.04893 mg/L 98 75 - 125

Cadmium <0.00200 0.0500 0.05006 mg/L 100 75 - 125

Chromium <0.0100 0.200 0.1983 mg/L 99 75 - 125

Cobalt <0.00500 0.500 0.5037 mg/L 101 75 - 125

Copper <0.0100 0.250 0.2507 mg/L 100 75 - 125

Lead <0.00500 0.100 0.09894 mg/L 99 75 - 125

Nickel <0.0100 0.500 0.4999 mg/L 100 75 - 125

Selenium <0.0100 0.100 0.09099 mg/L 91 75 - 125

Silver <0.00500 0.0500 0.04637 mg/L 93 75 - 125

Thallium <0.0100 0.100 0.09959 mg/L 100 75 - 125

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 6010B - Metals (ICP) (Continued)

Lab Sample ID: 500-94259-3 MS Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

Tin <0.0400 1.00 0.9957 mg/L 100 75 - 125

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Vanadium <0.00500 0.500 0.5116 mg/L 102 75 - 125

Zinc <0.0200 0.500 0.4883 mg/L 98 75 - 125

Lab Sample ID: 500-94259-3 MSD Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

Antimony <0.0200 0.500 0.5014 mg/L 100 75 - 125 0 20

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

Arsenic <0.0100 0.100 0.1073 mg/L 107 75 - 125 4 20

Barium <0.0100 2.00 2.024 mg/L 101 75 - 125 0 20

Beryllium <0.00400 0.0500 0.04842 mg/L 97 75 - 125 1 20

Cadmium <0.00200 0.0500 0.04999 mg/L 100 75 - 125 0 20

Chromium <0.0100 0.200 0.1990 mg/L 99 75 - 125 0 20

Cobalt <0.00500 0.500 0.5024 mg/L 100 75 - 125 0 20

Copper <0.0100 0.250 0.2524 mg/L 101 75 - 125 1 20

Lead <0.00500 0.100 0.1001 mg/L 100 75 - 125 1 20

Nickel <0.0100 0.500 0.4995 mg/L 100 75 - 125 0 20

Selenium <0.0100 0.100 0.09555 mg/L 96 75 - 125 5 20

Silver <0.00500 0.0500 0.04649 mg/L 93 75 - 125 0 20

Thallium <0.0100 0.100 0.09952 mg/L 100 75 - 125 0 20

Tin <0.0400 1.00 0.9953 mg/L 100 75 - 125 0 20

Vanadium <0.00500 0.500 0.5152 mg/L 103 75 - 125 1 20

Zinc <0.0200 0.500 0.4932 mg/L 99 75 - 125 1 20

Lab Sample ID: 500-94259-3 DU Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282966 Prep Batch: 282811

Antimony <0.0200 <0.0200 mg/L NC 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Arsenic <0.0100 <0.0100 mg/L NC 20

Barium <0.0100 <0.0100 mg/L NC 20

Beryllium <0.00400 <0.00400 mg/L NC 20

Cadmium <0.00200 <0.00200 mg/L NC 20

Chromium <0.0100 <0.0100 mg/L NC 20

Cobalt <0.00500 <0.00500 mg/L NC 20

Copper <0.0100 <0.0100 mg/L NC 20

Lead <0.00500 <0.00500 mg/L NC 20

Nickel <0.0100 <0.0100 mg/L NC 20

Selenium <0.0100 0.004892 J mg/L NC 20

Silver <0.00500 <0.00500 mg/L NC 20

Thallium <0.0100 <0.0100 mg/L NC 20

Tin <0.0400 <0.0400 mg/L NC 20

Vanadium <0.00500 <0.00500 mg/L NC 20

Zinc <0.0200 <0.0200 mg/L NC 20

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 6010B - Metals (ICP) (Continued)

Lab Sample ID: MB 500-282907/1-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283046 Prep Batch: 282907

RL MDL

Antimony <2.00 2.00 0.415 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Arsenic <1.00 1.00 0.462 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Barium <1.00 1.00 0.183 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Beryllium <0.400 0.400 0.0866 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Chromium <1.00 1.00 0.172 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Cobalt <0.500 0.500 0.113 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Copper <1.00 1.00 0.217 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Lead <0.500 0.500 0.249 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Nickel <1.00 1.00 0.271 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Selenium <1.00 1.00 0.495 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Silver <0.500 0.500 0.117 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Thallium <1.00 1.00 0.492 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Tin 1.588 J 4.00 0.611 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Vanadium <0.500 0.500 0.146 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Zinc <2.00 2.00 0.633 mg/Kg 04/08/15 09:48 04/08/15 22:18 1

Lab Sample ID: MB 500-282907/1-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283247 Prep Batch: 282907

RL MDL

Cadmium <0.200 0.200 0.0579 mg/Kg 04/08/15 09:48 04/09/15 13:31 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282907/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283046 Prep Batch: 282907

Antimony 50.0 44.41 mg/Kg 89 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Arsenic 10.0 9.231 mg/Kg 92 80 - 120

Barium 200 195.8 mg/Kg 98 80 - 120

Beryllium 5.00 4.704 mg/Kg 94 80 - 120

Chromium 20.0 19.28 mg/Kg 96 80 - 120

Cobalt 50.0 47.08 mg/Kg 94 80 - 120

Copper 25.0 24.54 mg/Kg 98 80 - 120

Lead 10.0 9.743 mg/Kg 97 80 - 120

Nickel 50.0 47.59 mg/Kg 95 80 - 120

Selenium 10.0 9.003 mg/Kg 90 80 - 120

Silver 5.00 4.840 mg/Kg 97 80 - 120

Thallium 10.0 9.382 mg/Kg 94 80 - 120

Tin 100 94.82 mg/Kg 95 80 - 120

Vanadium 50.0 48.97 mg/Kg 98 80 - 120

Zinc 50.0 46.18 mg/Kg 92 80 - 120

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 6010B - Metals (ICP) (Continued)

Lab Sample ID: LCS 500-282907/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283247 Prep Batch: 282907

Cadmium 5.00 4.628 mg/Kg 93 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCS 500-283646/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283848 Prep Batch: 283646

Arsenic 0.100 0.09169 mg/L 92 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Barium 0.500 0.4942 J mg/L 99 80 - 120

Cadmium 0.0500 0.04731 mg/L 95 80 - 120

Chromium 0.200 0.2113 mg/L 106 80 - 120

Lead 0.100 0.1012 mg/L 101 80 - 120

Nickel 0.500 0.5098 mg/L 102 80 - 120

Lab Sample ID: LB 500-283591/1-B Client Sample ID: Method Blank

Matrix: Solid Prep Type: TCLP

Analysis Batch: 283848 Prep Batch: 283646

RL MDL

Arsenic <0.0500 0.0500 0.0100 mg/L 04/14/15 07:30 04/14/15 20:57 1

LB LB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Barium <0.500 0.500 0.0500 mg/L 04/14/15 07:30 04/14/15 20:57 1

Cadmium <0.00500 0.00500 0.00200 mg/L 04/14/15 07:30 04/14/15 20:57 1

Chromium <0.0250 0.0250 0.0100 mg/L 04/14/15 07:30 04/14/15 20:57 1

Lead <0.0500 0.0500 0.00750 mg/L 04/14/15 07:30 04/14/15 20:57 1

Nickel <0.0250 0.0250 0.0100 mg/L 04/14/15 07:30 04/14/15 20:57 1

Method: 7470A - Mercury (CVAA)

Lab Sample ID: MB 500-282734/12-A Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282909 Prep Batch: 282734

RL MDL

Mercury <0.000200 0.000200 0.0000611 mg/L 04/07/15 11:15 04/08/15 08:25 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282734/13-A Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282909 Prep Batch: 282734

Mercury 0.00200 0.002142 mg/L 107 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: MB 500-283703/12-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283947 Prep Batch: 283703

RL MDL

Mercury <0.000200 0.000200 0.000200 mg/L 04/14/15 11:30 04/15/15 08:03 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 7470A - Mercury (CVAA) (Continued)

Lab Sample ID: LCS 500-283703/13-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283947 Prep Batch: 283703

Mercury 0.00200 0.001971 mg/L 99 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LB 500-283591/1-C Client Sample ID: Method Blank

Matrix: Solid Prep Type: TCLP

Analysis Batch: 283947 Prep Batch: 283703

RL MDL

Mercury <0.000200 0.000200 0.000200 mg/L 04/14/15 11:30 04/15/15 08:29 1

LB LB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Method: 7471B - Mercury in Solid or Semisolid Waste (Manual Cold Vapor Technique)

Lab Sample ID: MB 500-283132/12-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283367 Prep Batch: 283132

RL MDL

Mercury <0.0167 0.0167 0.00583 mg/Kg 04/09/15 14:00 04/10/15 12:00 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-283132/13-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283367 Prep Batch: 283132

Mercury 0.167 0.1760 mg/Kg 106 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Method: 1664A - HEM and SGT-HEM

Lab Sample ID: MB 500-282790/1-A Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282792 Prep Batch: 282790

RL MDL

HEM (Oil & Grease) <5.00 5.00 0.540 mg/L 04/07/15 17:40 04/07/15 20:20 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282790/2-A Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282792 Prep Batch: 282790

HEM (Oil & Grease) 40.0 34.10 mg/L 85 78 - 114

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: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 7196A - Chromium, Hexavalent

Lab Sample ID: MB 500-282749/3 Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282749

RL MDL

Chromium, hexavalent <0.0100 0.0100 0.00380 mg/L 04/07/15 12:26 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282749/4 Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282749

Chromium, hexavalent 0.250 0.2569 mg/L 103 85 - 115

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: 500-94259-3 MS Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282749

Chromium, hexavalent 0.00400 J 0.250 0.2624 mg/L 103 85 - 115

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Lab Sample ID: 500-94259-3 MSD Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282749

Chromium, hexavalent 0.00400 J 0.250 0.2643 mg/L 104 85 - 115 1 20

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: MB 500-284534/1-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284626 Prep Batch: 284534

RL MDL

Chromium, hexavalent <1.00 1.00 0.455 mg/Kg 04/20/15 09:58 04/20/15 15:01 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-284534/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284626 Prep Batch: 284534

Chromium, hexavalent 10.0 8.960 mg/Kg 90 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCS 500-284534/3-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284626 Prep Batch: 284534

Chromium, hexavalent 1160 928.2 mg/Kg 80 80 - 120

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: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 9014 - Cyanide

Lab Sample ID: MB 500-282752/1-A Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

RL MDL

Cyanide, Total <0.0100 0.0100 0.00210 mg/L 04/07/15 14:15 04/07/15 18:21 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: MB 500-282752/6-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

RL MDL

Cyanide, Total <0.500 0.500 0.165 mg/Kg 04/07/15 14:15 04/07/15 18:23 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282752/2-A Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

Cyanide, Total 0.100 0.1013 mg/L 101 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCS 500-282752/7-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

Cyanide, Total 5.00 5.065 mg/Kg 101 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: 500-94259-2 MS Client Sample ID: VS Event 3 Composite 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

Cyanide, Total 0.956 J 8.14 8.261 mg/Kg ☼ 90 75 - 125

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Lab Sample ID: 500-94259-2 MSD Client Sample ID: VS Event 3 Composite 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

Cyanide, Total 0.956 J 8.14 8.341 mg/Kg ☼ 91 75 - 125 1 20

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: 500-94259-3 MS Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

Cyanide, Total 0.00220 J 0.0400 0.04210 mg/L 100 75 - 125

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Lab Sample ID: 500-94259-3 MSD Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282807 Prep Batch: 282752

Cyanide, Total 0.00220 J 0.0400 0.04020 mg/L 95 75 - 125 5 20

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 9034 - Sulfide, Reactive

Lab Sample ID: MB 500-282851/1-A Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282852 Prep Batch: 282851

RL MDL

Sulfide, Reactive <1.00 1.00 1.00 mg/L 04/07/15 18:30 04/08/15 01:15 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282851/2-A Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282852 Prep Batch: 282851

Sulfide, Reactive 3.64 3.238 mg/L 89 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: MB 500-284729/1-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284983 Prep Batch: 284729

RL MDL

Sulfide, Reactive <50.0 50.0 3.90 mg/Kg 04/21/15 16:25 04/22/15 12:40 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-284729/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284983 Prep Batch: 284729

Sulfide, Reactive 182 162.4 mg/Kg 89 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: 500-94259-2 MS Client Sample ID: VS Event 3 Composite 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284983 Prep Batch: 284729

Sulfide, Reactive <49.7 181 39.31 J F1 mg/Kg 22 75 - 125

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Lab Sample ID: 500-94259-2 MSD Client Sample ID: VS Event 3 Composite 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 284983 Prep Batch: 284729

Sulfide, Reactive <49.7 180 10.27 J F1 F2 mg/Kg 6 75 - 125 117 20

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

Method: 9034 - Sulfide, Acid soluble and Insoluble (Titrimetric)

Lab Sample ID: MB 500-282853/1 Client Sample ID: Method Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282853

RL MDL

Sulfide <1.00 1.00 0.219 mg/L 04/08/15 01:15 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: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Method: 9034 - Sulfide, Acid soluble and Insoluble (Titrimetric) (Continued)

Lab Sample ID: LCS 500-282853/2 Client Sample ID: Lab Control Sample

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282853

Sulfide 3.64 3.232 mg/L 89 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: MB 500-282980/1-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283195 Prep Batch: 282980

RL MDL

Sulfide <10.0 10.0 4.79 mg/Kg 04/08/15 17:00 04/09/15 17:34 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282980/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283195 Prep Batch: 282980

Sulfide 182 174.0 mg/Kg 96 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: 500-94259-2 MS Client Sample ID: VS Event 3 Composite 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283195 Prep Batch: 282980

Sulfide 122 747 633.2 F1 mg/Kg ☼ 68 75 - 125

Analyte

MS MS

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Lab Sample ID: 500-94259-2 MSD Client Sample ID: VS Event 3 Composite 1

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 283195 Prep Batch: 282980

Sulfide 122 745 657.1 F1 mg/Kg ☼ 72 75 - 125 4 20

Analyte

MSD MSD

Result Qualifier Unit D %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits RPD Limit

RPD

Method: 9040B - pH

Lab Sample ID: 500-94259-3 DU Client Sample ID: VS Event 3 Equipment Blank

Matrix: Water Prep Type: Total/NA

Analysis Batch: 282825

pH 6.03 HF 6.040 SU 0.2

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: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Discrete 1 Lab Sample ID: 500-94259-1

Date Collected: 04/06/15 13:55 Matrix: Solid

Date Received: 04/07/15 10:15 Percent Solids: 23.6

Prep 5030B 282839 04/08/15 02:34 WRE TAL CHI

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Total/NA Analysis 8260B 50 283846 04/15/15 17:06 TCT TAL CHI

Total/NA Analysis Moisture 1 283884 04/15/15 09:31 LWN TAL CHI

Client Sample ID: VS Event 3 Composite 1 Lab Sample ID: 500-94259-2

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Prep 3010A 283646 04/14/15 07:30 JLC TAL CHI

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

TCLP

TCLP Leach 1311 283591 04/14/15 08:00 FXG TAL CHI

TCLP Analysis 6010B 1 283848 04/14/15 22:28 PJ1 TAL CHI

Total/NA Prep 3050B 282907 04/08/15 09:48 JLC TAL CHI

Total/NA Analysis 6010B 1 283046 04/09/15 00:37 PJ1 TAL CHI

Total/NA Prep 3050B 282907 04/08/15 09:48 JLC TAL CHI

Total/NA Analysis 6010B 1 283247 04/09/15 15:10 PJ1 TAL CHI

TCLP Leach 1311 283591 04/14/15 08:00 FXG TAL CHI

TCLP Prep 7470A 283703 04/14/15 11:30 RLL TAL CHI

TCLP Analysis 7470A 1 283947 04/15/15 08:54 RLL TAL CHI

Total/NA Prep 7471B 283132 04/09/15 14:00 RLL TAL CHI

Total/NA Analysis 7471B 1 283367 04/10/15 13:00 PFK TAL CHI

Total/NA Analysis 1010A 1 282821 SJS TAL CHI

04/07/15 16:20

04/07/15 17:50

(Start)

(End)

Total/NA Prep 3060A 284534 04/20/15 09:58 AJR TAL CHI

Total/NA Analysis 7196A 1 284626 AJR TAL CHI

04/20/15 15:02

04/20/15 15:03

(Start)

(End)

Total/NA Prep 9010B 282752 04/07/15 14:15 ELR TAL CHI

Total/NA Analysis 9014 1 282807 ELR TAL CHI

04/07/15 18:24

04/07/15 18:25

(Start)

(End)

Total/NA Prep 9030B 282980 04/08/15 17:20 LAJ TAL CHI

Total/NA Analysis 9034 1 283195 04/09/15 17:34 LAJ TAL CHI

Total/NA Prep 7.3.4 284729 04/21/15 16:25 LAJ TAL CHI

Total/NA Analysis 9034 1 284983 04/22/15 12:43 LAJ TAL CHI

Total/NA Analysis 9045C 1 283587 SMO TAL CHI

04/13/15 15:15

04/13/15 15:18

(Start)

(End)

Total/NA Analysis Moisture 1 282706 04/07/15 12:14 LWN TAL CHI

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Equipment Blank Lab Sample ID: 500-94259-3

Date Collected: 04/06/15 13:30 Matrix: Water

Date Received: 04/07/15 10:15

Analysis 8260B 1 283845 04/15/15 16:13 TCT TAL CHI

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Total/NA Prep 3010A 282811 04/07/15 14:00 PJH TAL CHI

Total/NA Analysis 6010B 1 282966 04/08/15 12:11 PJ1 TAL CHI

Total/NA Prep 7470A 282734 04/07/15 11:15 RLL TAL CHI

Total/NA Analysis 7470A 1 282909 04/08/15 09:24 RLL TAL CHI

Total/NA Prep 1664A 282790 04/07/15 18:38 SJS TAL CHI

Total/NA Analysis 1664A 1 282792 04/07/15 21:52 SJS TAL CHI

Total/NA Analysis 7196A 1 282749 LAJ TAL CHI

04/07/15 12:27

04/07/15 12:27

(Start)

(End)

Total/NA Prep 9010B 282752 04/07/15 14:15 ELR TAL CHI

Total/NA Analysis 9014 1 282807 ELR TAL CHI

04/07/15 18:22

04/07/15 18:22

(Start)

(End)

Total/NA Analysis 9034 1 282853 CLB TAL CHI

04/08/15 01:37

04/08/15 01:40

(Start)

(End)

Total/NA Prep 7.3.4 282851 04/07/15 18:50 CLB TAL CHI

Total/NA Analysis 9034 1 282852 04/08/15 01:55 CLB TAL CHI

Total/NA Analysis 9040B 1 282825 SMO TAL CHI

04/07/15 14:51

04/07/15 15:14

(Start)

(End)

Client Sample ID: Trip Blank Lab Sample ID: 500-94259-4

Date Collected: 04/06/15 00:00 Matrix: Water

Date Received: 04/07/15 10:15

Analysis 8260B 1 283845 04/15/15 16:40 TCT TAL CHI

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Laboratory References:

TAL CHI = TestAmerica Chicago, 2417 Bond Street, University Park, IL 60484, TEL (708)534-5200

TestAmerica Chicago

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Certification Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-1

Project/Site: John Deere Des Moines Works Delisting

Laboratory: TestAmerica Chicago

Unless otherwise noted, all analytes for this laboratory were covered under each certification below.

Authority Program EPA Region Certification ID Expiration Date

Iowa State Program 7 82 05-01-16

Analysis Method Prep Method Matrix Analyte

The following analytes are included in this report, but certification is not offered by the governing authority:

1010A Solid Flashpoint

9034 7.3.4 Solid Sulfide, Reactive

9034 7.3.4 Water Sulfide, Reactive

9040B Water pH

Moisture Solid Percent Moisture

Moisture Solid Percent Solids

TestAmerica Chicago

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Login Sample Receipt Checklist

Client: MWH Americas Inc Job Number: 500-94259-1

Login Number: 94259

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 1.5

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 34 of 34 4/23/2015

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ANALYTICAL REPORT

TestAmerica Laboratories, Inc.

TestAmerica Chicago

2417 Bond Street

University Park, IL 60484

Tel: (708)534-5200

TestAmerica Job ID: 500-94259-2

Client Project/Site: John Deere Des Moines Works Delisting

For:

MWH Americas Inc

11153 Aurora Avenue

Des Moines, Iowa 50322-7904

Attn: Mr. Robert Malcomson

Authorized for release by:

4/8/2015 11:26:35 AM

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: 500-94259-2

Page 2 of 15

TestAmerica Chicago

4/8/2015

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

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

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

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

Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

QC Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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Case Narrative

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Job ID: 500-94259-2

Laboratory: TestAmerica Chicago

Narrative

Job Narrative

500-94259-2

Comments

No additional comments. 

Receipt 

The samples were received on 4/7/2015 10:15 AM; the samples arrived in good condition, properly preserved and, where required, on ice. 

The temperature of the cooler at receipt was 1.5o C.

General Chemistry 

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

TestAmerica Chicago Page 3 of 15 4/8/2015

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Detection Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 Lab Sample ID: 500-94259-2

HEM (Oil & Grease) ☼

RL

982 mg/Kg

MDL

330

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

5110 1 9071B Total/NA

TestAmerica Chicago

This Detection Summary does not include radiochemical test results.

Page 4 of 15 4/8/2015

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Method Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Method Method Description Protocol Laboratory

9071B HEM and SGT-HEM SW846 TAL CHI

Protocol References:

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

Laboratory References:

TAL CHI = TestAmerica Chicago, 2417 Bond Street, University Park, IL 60484, TEL (708)534-5200

TestAmerica Chicago

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Sample Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Lab Sample ID Client Sample ID Matrix Collected Received

500-94259-2 VS Event 3 Composite 1 Solid 04/06/15 14:05 04/07/15 10:15

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 Lab Sample ID: 500-94259-2

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15 Percent Solids: 24.3

General Chemistry

RL MDL

HEM (Oil & Grease) 5110 982 330 mg/Kg ☼ 04/07/15 19:51 04/07/15 23:33 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

TestAmerica Chicago

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Definitions/Glossary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

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: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

General Chemistry

Prep Batch: 282794

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9071B

LCS 500-282794/2-A Lab Control Sample Total/NA Solid 9071B

MB 500-282794/1-A Method Blank Total/NA Solid 9071B

Analysis Batch: 282795

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

500-94259-2 VS Event 3 Composite 1 Total/NA Solid 9071B 282794

LCS 500-282794/2-A Lab Control Sample Total/NA Solid 9071B 282794

MB 500-282794/1-A Method Blank Total/NA Solid 9071B 282794

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Method: 9071B - HEM and SGT-HEM

Lab Sample ID: MB 500-282794/1-A Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 282795 Prep Batch: 282794

RL MDL

HEM (Oil & Grease) <240 240 80.6 mg/Kg 04/07/15 17:20 04/07/15 20:20 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 500-282794/2-A Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 282795 Prep Batch: 282794

HEM (Oil & Grease) 4000 3990 mg/Kg 100 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 Lab Sample ID: 500-94259-2

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15 Percent Solids: 24.3

Prep 9071B 282794 04/07/15 19:51 SJS TAL CHI

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Total/NA Analysis 9071B 1 282795 04/07/15 23:33 SJS TAL CHI

Laboratory References:

TAL CHI = TestAmerica Chicago, 2417 Bond Street, University Park, IL 60484, TEL (708)534-5200

TestAmerica Chicago

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Certification Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-2

Project/Site: John Deere Des Moines Works Delisting

Laboratory: TestAmerica Chicago

Unless otherwise noted, all analytes for this laboratory were covered under each certification below.

Authority Program EPA Region Certification ID Expiration Date

Iowa State Program 7 82 05-01-16

Analysis Method Prep Method Matrix Analyte

TestAmerica Chicago

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Login Sample Receipt Checklist

Client: MWH Americas Inc Job Number: 500-94259-2

Login Number: 94259

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 1.5

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 15 of 15 4/8/2015

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ANALYTICAL REPORT

TestAmerica Laboratories, Inc.

TestAmerica Chicago

2417 Bond Street

University Park, IL 60484

Tel: (708)534-5200

TestAmerica Job ID: 500-94259-3

Client Project/Site: John Deere Des Moines Works Delisting

For:

MWH Americas Inc

11153 Aurora Avenue

Des Moines, Iowa 50322-7904

Attn: Mr. Robert Malcomson

Authorized for release by:

4/23/2015 2:27:25 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: 500-94259-3

Page 2 of 28

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4/23/2015

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

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

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

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

Method Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Sample Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Client Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

QC Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

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Case Narrative

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Job ID: 500-94259-3

Laboratory: TestAmerica Chicago

Narrative

Job Narrative

500-94259-3

Comments

No additional comments. 

Receipt 

The samples were received on 4/7/2015 10:15 AM; the samples arrived in good condition, properly preserved and, where required, on ice. 

The temperature of the cooler at receipt was 1.5o C.

General Chemistry 

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

Geotechnical 

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

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Detection Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Pretest) Lab Sample ID: 500-94259-5

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

8.64 1 9040C Leach

Client Sample ID: VS Event 3 Composite 1 (Blank pH 2.88) Lab Sample ID: 500-94259-6

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

0.190 1 9040C Leach

Specific Conductance > 200000 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 750 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 3 Composite 1 (Blank pH 7.00) Lab Sample ID: 500-94259-7

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

2.13 1 9040C Leach

Specific Conductance 2220 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 375 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 3 Composite 1 (Blank pH 13.00) Lab Sample ID: 500-94259-8

Cr (VI)

RL

0.0100 mg/L

MDL

0.00190

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

J0.00788 1 7196A Leach

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

13.5 1 9040C Leach

Specific Conductance 130000 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential - 74 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 3 Composite 1 (pH 2.88) Lab Sample ID: 500-94259-9

Cr (VI)

RL

0.0100 mg/L

MDL

0.00190

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

0.0246 1 7196A Leach

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

2.59 1 9040C Leach

Specific Conductance 54300 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 396 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 3 Composite 1 (pH 7.00) Lab Sample ID: 500-94259-10

pH

RL

0.100 SU

RL

0.100

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

7.45 1 9040C Leach

Specific Conductance 3240 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential 221 10.0 10.0 millivolts 1 SM 2580B Leach

Client Sample ID: VS Event 3 Composite 1 (pH 13.00) Lab Sample ID: 500-94259-11

Cr (VI)

RL

0.0100 mg/L

MDL

0.00190

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

0.288 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 46700 1.00 1.00 umhos/cm 1 SM 2510B Leach

Oxidation Reduction Potential - 104 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: 500-94259-3

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

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Sample Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Lab Sample ID Client Sample ID Matrix Collected Received

500-94259-5 VS Event 3 Composite 1 (Pretest) Solid 04/06/15 14:05 04/07/15 10:15

500-94259-6 VS Event 3 Composite 1 (Blank pH 2.88) Solid 04/06/15 14:05 04/07/15 10:15

500-94259-7 VS Event 3 Composite 1 (Blank pH 7.00) Solid 04/06/15 14:05 04/07/15 10:15

500-94259-8 VS Event 3 Composite 1 (Blank pH 13.00) Solid 04/06/15 14:05 04/07/15 10:15

500-94259-9 VS Event 3 Composite 1 (pH 2.88) Solid 04/06/15 14:05 04/07/15 10:15

500-94259-10 VS Event 3 Composite 1 (pH 7.00) Solid 04/06/15 14:05 04/07/15 10:15

500-94259-11 VS Event 3 Composite 1 (pH 13.00) Solid 04/06/15 14:05 04/07/15 10:15

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Pretest) Lab Sample ID: 500-94259-5

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL RL

pH 8.64 0.100 0.100 SU 04/17/15 11:40 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Blank pH 2.88) Lab Sample ID: 500-94259-6

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 04/17/15 15:31 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 0.190 0.100 0.100 SU 04/17/15 12:27 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance > 200000 1.00 1.00 umhos/cm 04/17/15 09:48 1

Oxidation Reduction Potential 750 10.0 10.0 millivolts 04/17/15 10:48 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Blank pH 7.00) Lab Sample ID: 500-94259-7

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 04/23/15 08:50 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 2.13 0.100 0.100 SU 04/22/15 09:36 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 2220 1.00 1.00 umhos/cm 04/22/15 09:45 1

Oxidation Reduction Potential 375 10.0 10.0 millivolts 04/22/15 09:30 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Blank pH 13.00) Lab Sample ID: 500-94259-8

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL MDL

Cr (VI) 0.00788 J 0.0100 0.00190 mg/L 04/17/15 15:32 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 13.5 0.100 0.100 SU 04/17/15 12:51 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 130000 1.00 1.00 umhos/cm 04/17/15 09:51 1

Oxidation Reduction Potential - 74 10.0 10.0 millivolts 04/17/15 10:54 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (pH 2.88) Lab Sample ID: 500-94259-9

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL MDL

Cr (VI) 0.0246 0.0100 0.00190 mg/L 04/17/15 15:33 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 2.59 0.100 0.100 SU 04/17/15 10:53 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 54300 1.00 1.00 umhos/cm 04/17/15 09:39 1

Oxidation Reduction Potential 396 10.0 10.0 millivolts 04/17/15 10:30 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (pH 7.00) Lab Sample ID: 500-94259-10

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 04/23/15 08:50 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 7.45 0.100 0.100 SU 04/22/15 09:42 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 3240 1.00 1.00 umhos/cm 04/22/15 09:41 1

Oxidation Reduction Potential 221 10.0 10.0 millivolts 04/22/15 09:40 1

TestAmerica Chicago

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Client Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (pH 13.00) Lab Sample ID: 500-94259-11

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

General Chemistry - Leach

RL MDL

Cr (VI) 0.288 0.0100 0.00190 mg/L 04/17/15 15:34 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

RL RL

pH 13.0 0.100 0.100 SU 04/17/15 12:04 1

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Specific Conductance 46700 1.00 1.00 umhos/cm 04/17/15 09:45 1

Oxidation Reduction Potential - 104 10.0 10.0 millivolts 04/17/15 10:42 1

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Definitions/Glossary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

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)

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

General Chemistry

Analysis Batch: 138474

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

500-94259-5 VS Event 3 Composite 1 (Pretest) Total/NA Solid 2540G

Leach Batch: 138877

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

500-94259-5 VS Event 3 Composite 1 (Pretest) Leach Solid 1313

500-94259-6 VS Event 3 Composite 1 (Blank pH 2.88) Leach Solid 1313

500-94259-8 VS Event 3 Composite 1 (Blank pH 13.00) Leach Solid 1313

500-94259-9 VS Event 3 Composite 1 (pH 2.88) Leach Solid 1313

500-94259-9 DU VS Event 3 Composite 1 (pH 2.88) Leach Solid 1313

500-94259-11 VS Event 3 Composite 1 (pH 13.00) Leach Solid 1313

Analysis Batch: 138889

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

500-94259-5 VS Event 3 Composite 1 (Pretest) Leach Solid 9040C 138877

500-94259-6 VS Event 3 Composite 1 (Blank pH 2.88) Leach Solid 9040C 138877

500-94259-8 VS Event 3 Composite 1 (Blank pH 13.00) Leach Solid 9040C 138877

500-94259-9 VS Event 3 Composite 1 (pH 2.88) Leach Solid 9040C 138877

500-94259-9 DU VS Event 3 Composite 1 (pH 2.88) Leach Solid 9040C 138877

500-94259-11 VS Event 3 Composite 1 (pH 13.00) Leach Solid 9040C 138877

LCS 180-138889/1 Lab Control Sample Total/NA Solid 9040C

Analysis Batch: 138892

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

500-94259-6 VS Event 3 Composite 1 (Blank pH 2.88) Leach Solid SM 2580B 138877

500-94259-8 VS Event 3 Composite 1 (Blank pH 13.00) Leach Solid SM 2580B 138877

500-94259-9 VS Event 3 Composite 1 (pH 2.88) Leach Solid SM 2580B 138877

500-94259-9 DU VS Event 3 Composite 1 (pH 2.88) Leach Solid SM 2580B 138877

500-94259-11 VS Event 3 Composite 1 (pH 13.00) Leach Solid SM 2580B 138877

Analysis Batch: 138897

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

500-94259-6 VS Event 3 Composite 1 (Blank pH 2.88) Leach Solid SM 2510B 138877

500-94259-8 VS Event 3 Composite 1 (Blank pH 13.00) Leach Solid SM 2510B 138877

500-94259-9 VS Event 3 Composite 1 (pH 2.88) Leach Solid SM 2510B 138877

500-94259-9 DU VS Event 3 Composite 1 (pH 2.88) Leach Solid SM 2510B 138877

500-94259-11 VS Event 3 Composite 1 (pH 13.00) Leach Solid SM 2510B 138877

LCS 180-138897/1 Lab Control Sample Total/NA Solid SM 2510B

LCSD 180-138897/2 Lab Control Sample Dup Total/NA Solid SM 2510B

MB 180-138897/3 Method Blank Total/NA Solid SM 2510B

Analysis Batch: 138901

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

500-94259-6 VS Event 3 Composite 1 (Blank pH 2.88) Leach Solid 7196A 138877

500-94259-8 VS Event 3 Composite 1 (Blank pH 13.00) Leach Solid 7196A 138877

500-94259-9 VS Event 3 Composite 1 (pH 2.88) Leach Solid 7196A 138877

500-94259-11 VS Event 3 Composite 1 (pH 13.00) Leach Solid 7196A 138877

LCS 180-138901/3 Lab Control Sample Total/NA Solid 7196A

LCSD 180-138901/4 Lab Control Sample Dup Total/NA Solid 7196A

MB 180-138901/5 Method Blank Total/NA Solid 7196A

TestAmerica Chicago

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QC Association Summary

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

General Chemistry (Continued)

Leach Batch: 139311

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

500-94259-7 VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid 1313

500-94259-7 DU VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid 1313

500-94259-10 VS Event 3 Composite 1 (pH 7.00) Leach Solid 1313

500-94259-10 DU VS Event 3 Composite 1 (pH 7.00) Leach Solid 1313

Analysis Batch: 139316

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

500-94259-7 VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid 9040C 139311

500-94259-10 VS Event 3 Composite 1 (pH 7.00) Leach Solid 9040C 139311

500-94259-10 DU VS Event 3 Composite 1 (pH 7.00) Leach Solid 9040C 139311

LCS 180-139316/1 Lab Control Sample Total/NA Solid 9040C

Analysis Batch: 139319

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

500-94259-7 VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid SM 2580B 139311

500-94259-10 VS Event 3 Composite 1 (pH 7.00) Leach Solid SM 2580B 139311

500-94259-10 DU VS Event 3 Composite 1 (pH 7.00) Leach Solid SM 2580B 139311

Analysis Batch: 139321

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

500-94259-7 VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid SM 2510B 139311

500-94259-7 DU VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid SM 2510B 139311

500-94259-10 VS Event 3 Composite 1 (pH 7.00) Leach Solid SM 2510B 139311

LCS 180-139321/1 Lab Control Sample Total/NA Solid SM 2510B

LCSD 180-139321/2 Lab Control Sample Dup Total/NA Solid SM 2510B

MB 180-139321/3 Method Blank Total/NA Solid SM 2510B

Analysis Batch: 139377

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

500-94259-7 VS Event 3 Composite 1 (Blank pH 7.00) Leach Solid 7196A 139311

500-94259-10 VS Event 3 Composite 1 (pH 7.00) Leach Solid 7196A 139311

LCS 180-139377/3 Lab Control Sample Total/NA Solid 7196A

LCSD 180-139377/4 Lab Control Sample Dup Total/NA Solid 7196A

MB 180-139377/5 Method Blank Total/NA Solid 7196A

TestAmerica Chicago

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QC Sample Results

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Method: 7196A - Chromium, Hexavalent

Lab Sample ID: MB 180-138901/5 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138901

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 04/17/15 15:30 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 180-138901/3 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138901

Cr (VI) 0.250 0.2628 mg/L 105 85 - 115

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-138901/4 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138901

Cr (VI) 0.250 0.2628 mg/L 105 85 - 115 0 20

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: MB 180-139377/5 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139377

RL MDL

Cr (VI) <0.0100 0.0100 0.00190 mg/L 04/23/15 08:49 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 180-139377/3 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139377

Cr (VI) 0.250 0.2533 mg/L 101 85 - 115

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-139377/4 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139377

Cr (VI) 0.250 0.2501 mg/L 100 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 180-138889/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138889

pH 7.00 7.030 SU 100 99 - 101

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: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Method: 9040C - pH (Continued)

Lab Sample ID: LCS 180-139316/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139316

pH 7.00 7.030 SU 100 99 - 101

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: 500-94259-9 DU Client Sample ID: VS Event 3 Composite 1 (pH 2.88)

Matrix: Solid Prep Type: Leach

Analysis Batch: 138889

pH 2.59 2.590 SU 0 2

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-94259-10 DU Client Sample ID: VS Event 3 Composite 1 (pH 7.00)

Matrix: Solid Prep Type: Leach

Analysis Batch: 139316

pH 7.45 7.450 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 180-138897/3 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138897

RL RL

Specific Conductance <1.00 1.00 1.00 umhos/cm 04/17/15 09:36 1

MB MB

Analyte Result Qualifier Unit D Prepared Analyzed Dil Fac

Lab Sample ID: LCS 180-138897/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138897

Specific Conductance 84.0 88.45 umhos/cm 105 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-138897/2 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 138897

Specific Conductance 84.0 88.50 umhos/cm 105 80 - 120 0 20

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: MB 180-139321/3 Client Sample ID: Method Blank

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139321

RL RL

Specific Conductance <1.00 1.00 1.00 umhos/cm 04/22/15 09:37 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: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

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

Lab Sample ID: LCS 180-139321/1 Client Sample ID: Lab Control Sample

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139321

Specific Conductance 84.0 88.31 umhos/cm 105 80 - 120

Analyte

LCS LCS

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits

Lab Sample ID: LCSD 180-139321/2 Client Sample ID: Lab Control Sample Dup

Matrix: Solid Prep Type: Total/NA

Analysis Batch: 139321

Specific Conductance 84.0 88.36 umhos/cm 105 80 - 120 0 20

Analyte

LCSD LCSD

Result Qualifier Unit D %Rec

Spike

Added

%Rec.

Limits RPD Limit

RPD

Lab Sample ID: 500-94259-9 DU Client Sample ID: VS Event 3 Composite 1 (pH 2.88)

Matrix: Solid Prep Type: Leach

Analysis Batch: 138897

Specific Conductance 54300 54000 umhos/cm 0.5 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-94259-7 DU Client Sample ID: VS Event 3 Composite 1 (Blank pH 7.00)

Matrix: Solid Prep Type: Leach

Analysis Batch: 139321

Specific Conductance 2220 2215 umhos/cm 0.2 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: 500-94259-9 DU Client Sample ID: VS Event 3 Composite 1 (pH 2.88)

Matrix: Solid Prep Type: Leach

Analysis Batch: 138892

Oxidation Reduction Potential 396 390.0 millivolts 2 20

Analyte

DU DU

Result Qualifier Unit D

Sample

Result

Sample

Qualifier RPD Limit

RPD

Lab Sample ID: 500-94259-10 DU Client Sample ID: VS Event 3 Composite 1 (pH 7.00)

Matrix: Solid Prep Type: Leach

Analysis Batch: 139319

Oxidation Reduction Potential 221 219.0 millivolts 0.9 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: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Pretest) Lab Sample ID: 500-94259-5

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Analysis 2540G 1 138474 04/14/15 14:31 RSR TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Total/NA

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 138889 04/17/15 11:40 LWM TAL PIT

Client Sample ID: VS Event 3 Composite 1 (Blank pH 2.88) Lab Sample ID: 500-94259-6

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 138901 04/17/15 15:31 MTW TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 138889 04/17/15 12:27 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis SM 2510B 1 138897 04/17/15 09:48 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis SM 2580B 1 138892 04/17/15 10:48 LWM TAL PIT

Client Sample ID: VS Event 3 Composite 1 (Blank pH 7.00) Lab Sample ID: 500-94259-7

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 139377 04/23/15 08:50 CAK TAL PIT

Leach Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 139316 04/22/15 09:36 LWM TAL PIT

Leach Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Leach Analysis SM 2510B 1 139321 04/22/15 09:45 LWM TAL PIT

Leach Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Leach Analysis SM 2580B 1 139319 04/22/15 09:30 LWM TAL PIT

Client Sample ID: VS Event 3 Composite 1 (Blank pH 13.00) Lab Sample ID: 500-94259-8

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 138901 04/17/15 15:32 MTW TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 138889 04/17/15 12:51 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis SM 2510B 1 138897 04/17/15 09:51 LWM TAL PIT

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (Blank pH 13.00) Lab Sample ID: 500-94259-8

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis SM 2580B 1 138892 04/17/15 10:54 LWM TAL PIT

Client Sample ID: VS Event 3 Composite 1 (pH 2.88) Lab Sample ID: 500-94259-9

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 138901 04/17/15 15:33 MTW TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 138889 04/17/15 10:53 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis SM 2510B 1 138897 04/17/15 09:39 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis SM 2580B 1 138892 04/17/15 10:30 LWM TAL PIT

Client Sample ID: VS Event 3 Composite 1 (pH 7.00) Lab Sample ID: 500-94259-10

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 139377 04/23/15 08:50 CAK TAL PIT

Leach Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 139316 04/22/15 09:42 LWM TAL PIT

Leach Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Leach Analysis SM 2510B 1 139321 04/22/15 09:41 LWM TAL PIT

Leach Leach 1313 139311 04/21/15 09:30 LWM TAL PIT

Leach Analysis SM 2580B 1 139319 04/22/15 09:40 LWM TAL PIT

Client Sample ID: VS Event 3 Composite 1 (pH 13.00) Lab Sample ID: 500-94259-11

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

Leach Analysis 7196A 1 138901 04/17/15 15:34 MTW TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis 9040C 1 138889 04/17/15 12:04 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

Leach Analysis SM 2510B 1 138897 04/17/15 09:45 LWM TAL PIT

Leach Leach 1313 138877 04/16/15 09:30 LWM TAL PIT

TestAmerica Chicago

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Lab Chronicle

Client: MWH Americas Inc TestAmerica Job ID: 500-94259-3

Project/Site: John Deere Des Moines Works Delisting

Client Sample ID: VS Event 3 Composite 1 (pH 13.00) Lab Sample ID: 500-94259-11

Date Collected: 04/06/15 14:05 Matrix: Solid

Date Received: 04/07/15 10:15

Analysis SM 2580B 1 138892 04/17/15 10:42 LWM TAL PIT

Type

Batch Batch

Prep Type Method Run Analyst Lab

Prepared

or Analyzed

Batch

Number

Dilution

Factor

Leach

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: 500-94259-3

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 03-31-16

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 04-30-15 *

Louisiana NELAP 6 04041 06-30-15

New Hampshire NELAP 1 203011 04-04-16

New Jersey NELAP 2 PA005 06-30-15

New York NELAP 2 11182 03-31-16

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 03-31-16

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

USDA Federal P-Soil-01 05-23-16

Utah NELAP 8 STLP 05-31-15

Virginia NELAP 3 460189 09-14-15

West Virginia DEP State Program 3 142 01-31-16

Wisconsin State Program 5 998027800 08-31-15

TestAmerica Chicago

* Certification renewal pending - certification considered valid.

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Login Sample Receipt Checklist

Client: MWH Americas Inc Job Number: 500-94259-3

Login Number: 94259

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 1.5

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 27 of 28 4/23/2015

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Login Sample Receipt Checklist

Client: MWH Americas Inc Job Number: 500-94259-3

Login Number: 94259

Question Answer Comment

Creator: Watson, Debbie

List Source: TestAmerica Pittsburgh

List Number: 2 List Creation: 04/08/15 11:06 AM

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

TestAmerica Chicago Page 28 of 28 4/23/2015

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