TABLE 1 WASTE DELISTING VERIFICATION SAMPLING RESULTS (TESTAMERICA, INC. DATA) JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Page 1 of 2 Sample ID Sample Date Laboratory ID

Analytes Units EPA Delisting Levelsa Maximum of Initial Event (2011) and 6

Events (2012)

Metals (Total)

Antimony mg/kg 103 NA NA NA <36.6 <37.6 Arsenic mg/kg 52 NA NA NA <18.3 <18.8 Barium mg/kg 965 643 NA NA 407 443 Beryllium mg/kg 21 NA NA NA <1.47 <1.50 Cadmium mg/kg 10 NA NA NA 1.37B 1.44B Chromium (total) mg/kg 22,500 15,000 NA NA 5,150 5150 Hexavalent Chromium mg/kg 20 13.6 NA NA <3.71 <3.78 Cobalt mg/kg 11 NA NA NA 5.60 5.90 Copper mg/kg 1439 959 NA NA 281 279 Lead mg/kg 437 291 NA NA 253 303 Mercury mg/kg 1 0.635 NA NA 0.169 0.174 Nickel mg/kg 1515 1010 NA NA 55.7 63.2 Selenium mg/kg 52 NA NA NA <3.66 <3.76 Silver mg/kg 26 NA NA NA 0.884J 0.918J Thallium mg/kg 52 NA NA NA <3.66 <3.76 Tin mg/kg 68 NA NA NA 132B 149B Vanadium mg/kg 380 253 NA NA 12.8 12.9 Zinc mg/kg 5,085 3,390 NA NA 895B 981B Metals TCLP (Method 1311)

Arsenic mg/L 5.0 NA NA NA <0.0500 <0.0500 Barium mg/L 100.0 <0.500 NA NA <0.500 <0.500 Cadium mg/L 1.0 NA NA NA <0.00500^ <0.00500^ Chromium mg/L 5.0 0.8 NA NA <0.0250 <0.0250 Lead mg/L 5.0 <0.0500 NA NA <0.0500 <0.0500 Mercury mg/L 0.2 <0.00020 NA NA <0.00020 <0.00020 Nickel mg/L 32.4 0.744 NA NA 0.0358 0.0334 General Chemistry

Ignitability Degrees F 140 >176 NA NA >176 >176 Cyanide (Total) mg/kg 3 <2.04 NA NA 1.49J,B 1.55J,B Sulfide mg/kg

-- 817 NA NA 636 595 Sulfide, Reactive mg/kg

-- <49.3 NA NA <49.7 <48.6 pH SU >2 and <12.5 9.87 NA NA 8.27 8.27 Oil & Grease mg/kg 32,250 21,500 NA NA 10,700 21,400 Total Solids %

-- 27 26 VS Event 1 Composite 1

12/17/2014 500-89685-3 VS Event 1 Discrete 1D 12/17/2014 500-89685-2 VS Event 1 Composite 1D

12/17/2014 500-89685-4 VS Event 1 Discrete 1 12/17/2014 500-89685-1TABLE 1 WASTE DELISTING VERIFICATION SAMPLING RESULTS (TESTAMERICA, INC. DATA) JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Page 2 of 2 Sample ID Sample Date Laboratory ID

Analytes Units EPA Delisting Levelsa Maximum of Initial Event (2011) and 6

Events (2012) VS Event 1 Composite 1

12/17/2014 500-89685-3 VS Event 1 Discrete 1D 12/17/2014 500-89685-2 VS Event 1 Composite 1D

12/17/2014 500-89685-4 VS Event 1 Discrete 1 12/17/2014 500-89685-1

Volatile Organic Compounds

Acetone mg/kg 8 9.13 4.42 5.71 NA NA Methyl ethyl ketone mg/kg 0.3 0.191 0.314 0.238 NA NA

Notes:

Sample results in bold text are greater than the applicable Delisting Level.

-- = Not established.

NA = Not analyzed. SU = Standard unit. VS = Verification Sample.

< = Less than. > = Greater than. 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. B = Compound was found in the blank and sample. aDelisting 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. (A), (B), (D). EPA = United States Environmental Protection Agency. mg/kg = Milligram per kilogram. mg/L = Milligram per liter.

TCLP = Toxicity Characteristic Leaching Procedure.

^ = Initial calibration verfication (ICV) or continuing calibration verification (CCV) standard: Instrument related quality control (QC) exceeds the control limits. Data was reported by the laboratory, as explained in the analytical report case narrative.TABLE 2 WASTE DELISTING VERIFICATION SAMPLING (KEYSTONE LABORATORIES DATA) JOHN DEERE DES MOINES WORKS - ANKENY, IOWA

Page 1 of 1 Sample ID VS Event 1 Composite 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 Comparison: Extract THF Extract Toluene Extract TCLP Extract MMC with Maximum Concentration

Analytes Units EPA Delisting

Levels

Metals TCLP

Arsenic mg/L 5.0 <0.050 <0.050 <0.050 <0.050 No Difference Barium mg/L 100.0 <0.010 <0.010 0.114 0.062 TCLP Cadium mg/L 1.0 <0.005 <0.005 <0.005 <0.005 No Difference Chromium mg/L 5.0 0.047 <0.020 <0.020 0.027 THF Mercury mg/L 0.2 <0.0005 0.0008 <0.0005 0.0005 No Difference Nickel mg/L 32.4 0.803 0.045 0.079 0.267 THF Lead mg/L 5.0 <0.020 <0.020 <0.020 <0.020 No Difference

Extract Volume ml 303 253 563 1,119

Notes:

EPA = United States Environmental Protection Agency mg/L = Milligram per liter. ml = Milliliter

MMC = Mobile metal concentration. TCLP = Toxicity Characteristic Leaching Procedure.

THF = Tetrahydrofuran. aDelisting 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

Page 1 of 1 Sample ID VS Event 1 Trip Blank Sample Date 12/17/2014 Laboratory ID 500-89685-6 Analytes Units

Metals (Total)

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

Cyanide (Total) mg/L <0.0100 NA Sulfide mg/L <1.00 NA Sulfide, Reactive mg/L <1.00 NA pH SU 7.56 NA Oil & Grease mg/L <5.03 NA Volatile Organic Compounds

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

Notes: mg/L = Milligram per liter.

NA = Not analyzed. 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.

^ = Initial calibration verfication (ICV) or continuing calibration verification (CCV) standard: Instrument related quality control (QC) exceeds the control limits. Data was reported by the laboratory, as explained in the analytical report case narrative. VS Event 1 EB 1 12/17/2014 500-89685-5Photographic Log

Client: John Deere Des Moines Works Project: F006 & F019 Waste Delisting Verification Sampling Event No. 1 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 west Survey Date: 12/17/2014 Comments: Sampling equipment for Event 1 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 east Survey Date: 12/17/2014 Comments: Filter cake in collection box. Material in box is drop #4 of current box.Photographic Log

Client: John Deere Des Moines Works Project: F006 & F019 Waste Delisting Verification Sampling Event No. 1 Site Name: JDDMW - Ankeny, IA Site Location: Building No. 16 Photograph ID:3 Photo Location: John Deere Des Moines Works - Building No. 16 Direction: View south Survey Date: 12/17/2014 Comments: Signage of filter cake collection box.

# ANALYTICAL REPORT TestAmerica Laboratories, Inc. TestAmerica Chicago 2417 Bond Street University Park, IL 60484 Tel:(708)534-5200 TestAmerica Job ID: 500-89685-2 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: 12/19/2014 1:53:09 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. 

### 1 2 3 4 5 6 7 8 9 10 11 12 13 14

# Table of Contents Client: MWH Americas Inc Project/Site: John Deere Des Moines Works Delisting TestAmerica Job ID: 500-89685-2

Page 2 of 15 TestAmerica Chicago 12/19/2014 

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

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

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

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

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

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

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

### Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 

### QC Association . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 

### QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 

### Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 

### Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 

### Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 

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

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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: 500-89685-1 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: 1/8/2015 2:25:13 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. 

### 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

# Table of Contents Client: MWH Americas Inc Project/Site: John Deere Des Moines Works Delisting TestAmerica Job ID: 500-89685-1

Page 2 of 35 TestAmerica Chicago 1/8/2015 

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

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

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

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

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

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

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

### Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 

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

### Surrogate Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 

### QC Sample Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 

### Chronicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 

### Certification Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 

### Chain of Custody . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 

### Receipt Checklists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 

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< 1L41353

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## Work Order Info for 1L41353(Keystone Laboratories, Inc. - Newton)

**Click on the lab sample identifier to view results.**

Client: Project: MWH Americas, Inc.-IA

JDDMW Oily Waste Delisting Project Number: Oily Waste Analysis

Report To: **MWH Americas, Inc.-IA R** **ob Malcomson 11153 Aurora Avenue**  **Des Moines, IA 50322 Phone: (515) 253-0830**  **Fax: (515) 253-9592** Invoice To: **MWH Global - IA A** **ccounts Payable PO Box 6610**  **Broomfield, CO 80021 Phone: (303) 385-5500**  **Fax: -**

**Laboratory Project Manager:**  **Status: Status Date:**  **Staci Arnold Completed**  **12/ 31/2014 4:16:18 PM**  **Date Due: Date Received:**  **Date Logged In: 12/31/2014 5:00:00 PM**  **12/18/2014 10:35:00 AM**  **12/19/2014 9:31:00 AM Received at:**  **Custody Seals: Containers Intact:**  **COC/Labels Agree: Preservation**  **Confirmed: Received On Ice:**  **4.3°C**

**No Yes**  **Yes No**  **Yes** Analysis Expires Status Status Date

VS Event 1 Composite 1D (1L41353-01) Sludge Sampled: 12/17/2014 3:28:00 PM ( Central )

**t clp-non-zhe-glass 12/31/2014 3:28:00 PM Reported 12/31/2014 4:16:18 PM**  **epow-1330a 12/31/2014 3:28:00 PM Reported 12/31/2014 4:16:18 PM** 

THF Extract (

1L41353-02) Other Sampled: 12/17/2014 3:28:00 PM ( Central ) **3050b- icp-digestion 6/15/2015**  **Reported 12/31/2014 4:16:18 PM Page** **1 of** **2 Element DataSystem Web Access** 

**1/ 15/** **2015 https://www.keystonelabresults.com/clientwrkorder.asp?wrk=1L41353** **as-t-6010 6/15/2015 3:28:00 PM**  **Reported 12/31/2014 4:16:18 PM** 

**ba-t-6010 6/** **15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM cd-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM cr-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM hg-t-7471**  **1/14/2015 Reported 12/31/2014 4:16:18 PM**  **ni-t-6010 6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM**  **pb-t-6010 6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM** 

Toluene Extract (1L41353-03) Other Sampled: 12/17/2014 3:28:00 PM ( Central ) **3050b- icp-digestion 6/15/2015**  **Reported 12/31/2014 4:16:18 PM as-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM ba-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM cd-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM cr-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM hg-t-7471**  **1/14/2015 Reported 12/31/2014 4:16:18 PM**  **ni-t-6010 6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM**  **pb-t-6010 6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM** 

TCLP Extract (1L41353-04) Other Sampled: 12/17/2014 3:28:00 PM ( Central ) **3050b- icp-digestion 6/15/2015**  **Reported 12/31/2014 4:16:18 PM as-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM ba-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM cd-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM cr-t-6010**  **6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM hg-t-7471**  **1/14/2015 Reported 12/31/2014 4:16:18 PM**  **ni-t-6010 6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM**  **pb-t-6010 6/15/2015 3:28:00 PM Reported 12/31/2014 4:16:18 PM** 

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