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Appendix A

Water Quality Test Results

ANALYTICAL REPORTEurofins TestAmerica, Cedar Falls3019 Venture WayCedar Falls, IA 50613Tel: (319)277-2401

Laboratory Job ID: 310-178508-1Client Project/Site: Brian Wilson

For:Iowa Department of AgricultureMines and Minerals Bureau502 E. 9th StDes Moines, Iowa 50319

Attn: Ryan Starkey

Authorized for release by:3/31/2020 11:04:01 AMAngela Muehling, Project Manager II(319)277-2401angela.muehling@testamericainc.com

Designee for

Shirley Thompson, Senior Project Manager(319)277-2401shirley.thompson@testamericainc.com

This report has been electronically signed and authorized by the signatory. Electronic signature isintended 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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Case NarrativeClient: Iowa Department of Agriculture Job ID: 310-178508-1Project/Site: Brian Wilson

Job ID: 310-178508-1

Laboratory: Eurofins TestAmerica, Cedar Falls

Narrative

Job Narrative310-178508-1

Comments

No additional comments.

Receipt

The samples were received on 3/27/2020 5:45 PM; the samples arrived in good condition, properly preserved and, where required, on ice.

The temperature of the cooler at receipt was 3.2º C.

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.

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Sample SummaryJob ID: 310-178508-1Client: Iowa Department of Agriculture

Project/Site: Brian Wilson

Lab Sample ID Client Sample ID ReceivedCollectedMatrix Asset ID

310-178508-1 Pond 2 Ground Water 03/26/20 10:20 03/27/20 17:45

310-178508-2 Pond 3 Ground Water 03/26/20 11:05 03/27/20 17:45

Eurofins TestAmerica, Cedar Falls

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Client Sample ResultsJob ID: 310-178508-1Client: Iowa Department of Agriculture

Project/Site: Brian Wilson

Lab Sample ID: 310-178508-1Client Sample ID: Pond 2Matrix: Ground WaterDate Collected: 03/26/20 10:20

Date Received: 03/27/20 17:45

Method: 200.7 Rev 4.4 - Metals (ICP)RL MDL

Iron <0.500 0.500 mg/L 03/30/20 17:44 1

Analyte Dil FacAnalyzedUnit DResult Qualifier Analyst

CTB

General ChemistryRL RL

pH 7.4 HF 0.1 SU 03/27/20 20:55 1

Analyte Dil FacAnalyzedUnit DResult Qualifier Analyst

JMH

Lab Sample ID: 310-178508-2Client Sample ID: Pond 3Matrix: Ground WaterDate Collected: 03/26/20 11:05

Date Received: 03/27/20 17:45

Method: 200.7 Rev 4.4 - Metals (ICP)RL MDL

Iron 1.08 0.500 mg/L 03/30/20 17:46 1

Analyte Dil FacAnalyzedUnit DResult Qualifier Analyst

CTB

General ChemistryRL RL

pH 7.3 HF 0.1 SU 03/27/20 20:56 1

Analyte Dil FacAnalyzedUnit DResult Qualifier Analyst

JMH

Eurofins TestAmerica, Cedar Falls

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Accreditation/Certification and Definitions SummaryClient: Iowa Department of Agriculture Job ID: 310-178508-1

Project/Site: Brian Wilson

Laboratory: Eurofins TestAmerica, Cedar FallsThe accreditations/certifications listed below are applicable to this report.

Authority Program Identification Number Expiration Date

Iowa 007State 12-01-19 *

Qualifiers

General Chemistry

Qualifier Description

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

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

1C Result is from the primary column on a dual-column method.

2C Result is from the confirmation column on a dual-column method.

CFL Contains Free Liquid

CNF Contains No Free Liquid

DER Duplicate Error Ratio (normalized absolute difference)

Dil Fac Dilution Factor

DL Detection Limit (DoD/DOE)

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

DLC Decision Level Concentration (Radiochemistry)

EDL Estimated Detection Limit (Dioxin)

LOD Limit of Detection (DoD/DOE)

LOQ Limit of Quantitation (DoD/DOE)

MDA Minimum Detectable Activity (Radiochemistry)

MDC Minimum Detectable Concentration (Radiochemistry)

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 (Radiochemistry)

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)

Eurofins TestAmerica, Cedar Falls

* Accreditation/Certification renewal pending - accreditation/certification considered valid.

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Method SummaryJob ID: 310-178508-1Client: Iowa Department of Agriculture

Project/Site: Brian Wilson

Method Method Description LaboratoryProtocol

40CFR136A200.7 Rev 4.4 Metals (ICP) TAL CF

SMSM 4500 H+ B pH TAL CF

EPA200.7 Preparation, Total Metals TAL CF

Protocol References:

40CFR136A = "Methods for Organic Chemical Analysis of Municipal Industrial Wastewater", 40CFR, Part 136, Appendix A, October 26, 1984 and

subsequent revisions.

EPA = US Environmental Protection Agency

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

Laboratory References:

TAL CF = Eurofins TestAmerica, Cedar Falls, 3019 Venture Way, Cedar Falls, IA 50613, TEL (319)277-2401

Eurofins TestAmerica, Cedar Falls

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