Analytical_Report_KL_Pond_01_0004.pdf

ANALYTICAL REPORT

Eurofins TestAmerica, Phoenix 4625 East Cotton Ctr Blvd Suite 189 Phoenix, AZ 85040 Tel: (602)437-3340

Laboratory Job ID: 550-165128-1 Client Project/Site: National Park Service KL (60031)

For:

Mohave Environmental Laboratory 2580 Landon Dr Suite A Bullhead City, Arizona 86429

Attn: Sheila Poff

Authorized for release by:

6/23/2021 3:49:51 PM

Emily Petrunia, Project Manager I (602)437-3340 emily.petrunia@eurofinset.com

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.

https://secure.testamericainc.com/TotalAccess/login.aspx http://www.testamericainc.com/services-we-offer/ask-the-expert http://www.eurofinsus.com/Env mailto:emily.petrunia@eurofinset.com

Definitions/Glossary Job ID: 550-165128-1Client: Mohave Environmental Laboratory

Project/Site: National Park Service KL (60031)

Qualifiers

Metals Qualifier Description

M1 Matrix spike recovery was high, the associated blank spike recovery was acceptable.

Qualifier

General Chemistry Qualifier Description

D2 Sample required dilution due to high concentration of analyte.

Qualifier

M3 The spike recovery value is unusable since the analyte concentration in the sample is disproportionate to the spike level. The associated blank spike was acceptable.

R13 MS/MSD RPD exceeded the method acceptance limit. Matrix spike recovery was outside acceptance criteria. Batch precision and accuracy were demonstrated.

R8 Sample RPD exceeded the method acceptance limit.

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

CFU Colony Forming Unit

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)

MCL EPA recommended "Maximum Contaminant Level"

MDA Minimum Detectable Activity (Radiochemistry)

MDC Minimum Detectable Concentration (Radiochemistry)

MDL Method Detection Limit

ML Minimum Level (Dioxin)

MPN Most Probable Number

MQL Method Quantitation Limit

NC Not Calculated

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

NEG Negative / Absent

POS Positive / Present

PQL Practical Quantitation Limit

PRES Presumptive

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)

TNTC Too Numerous To Count

Eurofins TestAmerica, Phoenix

Page 2 of 23 6/23/2021

Case Narrative Client: Mohave Environmental Laboratory Job ID: 550-165128-1 Project/Site: National Park Service KL (60031)

Job ID: 550-165128-1

Laboratory: Eurofins TestAmerica, Phoenix

Narrative

Job Narrative 550-165128-1

Comments

No additional comments.

Receipt

The sample was received on 6/9/2021 10:30 AM. Unless otherwise noted below, the sample arrived in good condition, and where required, properly preserved and on ice. The temperature of the cooler at receipt was 2.8º C.

Metals Method 1311: For the following sample KL Lagoon #1 (60031-01) (550-165128-1) received, the unfilterable portion of the sample is an oil and/or viscous liquid. This portion of the sample will be leached. It is not possible to oven dry this liquid therefore the % wet solids were used to determine the volume of leaching fluid.

Method 6010C: The low level continuing calibration verification (CCVL) associated with batch 550-245231 recovered above the upper control limit for Selenium. The samples associated with this CCV were non-detects for the affected analytes; therefore, the data have been reported.

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

General Chemistry Method Moisture: The sample duplicate (DU) precision for analytical batch 550-244932 was outside control limits for Percent Moisture and

Percent Solids. Sample non-homogeneity was suspected.

Method 351.2: Due to the high concentration of Total Kjedahl Nitrogen (TKN) the matrix spike / matrix spike duplicate (MS/MSD) for 550-245764 could not be evaluated for accuracy and precision. The results for the associated laboratory control sample / laboratory control sample duplicate (LCS/LCSD) met acceptance criteria.

Method 350.1: The following sample was diluted due to the odor emitting from the sample: KL Lagoon #1 (60031-01) (550-165128-1).

Elevated reporting limits (RL) are provided.

Method 350.1: The matrix spike / matrix spike duplicate (MS/MSD) recoveries for preparation batch 400-535942 and analytical batch 400-535978 were outside control limits. Sample matrix interference and/or non-homogeneity are suspected because the associated laboratory control sample (LCS) recovery was within acceptance limits.

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

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

Eurofins TestAmerica, Phoenix Page 3 of 23 6/23/2021

Client Sample Results

Project/Site: National Park Service KL (60031)

Lab Sample ID: 550-165128-1Client Sample ID: KL Lagoon #1 (60031-01) Matrix: SolidDate Collected: 06/08/21 08:50

Percent Solids: 62.0Date Received: 06/09/21 10:30

Method: 9056A - Anions, Ion Chromatography - Soluble

RL

Nitrate as N <1.6 1.6 mg/Kg ☼ 06/23/21 08:51 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

Method: 6010C - Metals (ICP)

RL

Arsenic <4.0 4.0 mg/Kg ☼ 06/10/21 15:25 06/11/21 17:44 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

0.16 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Cadmium 0.33

0.40 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Chromium 4.8

0.40 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Copper 72

0.80 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Lead 3.3

0.80 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Molybdenum 3.8

0.80 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Nickel 5.2

0.80 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Selenium 1.5

8.0 mg/Kg 06/10/21 15:25 06/11/21 17:44 1☼Zinc 190

Method: 6010C - Metals (ICP) - TCLP

RL

Arsenic <0.10 0.10 mg/L 06/11/21 18:55 06/14/21 12:53 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

0.50 mg/L 06/11/21 18:55 06/14/21 12:53 1Barium <0.50

0.10 mg/L 06/11/21 18:55 06/14/21 12:53 1Cadmium <0.10

0.25 mg/L 06/11/21 18:55 06/14/21 12:53 1Chromium <0.25

0.10 mg/L 06/11/21 18:55 06/14/21 12:53 1Lead <0.10

0.10 mg/L 06/11/21 18:55 06/14/21 12:53 1Selenium <0.10

0.040 mg/L 06/11/21 18:55 06/14/21 12:53 1Silver <0.040

Method: 7470A - Mercury (CVAA) - TCLP

RL

Mercury <0.00050 0.00050 mg/L 06/15/21 16:44 06/15/21 22:01 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

Method: 7471B - Mercury (CVAA)

RL

Mercury <0.15 0.15 mg/Kg ☼ 06/09/21 16:30 06/09/21 19:50 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

General Chemistry

RL

Percent Moisture 38.0 R8 0.1 % 06/10/21 13:08 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

NONE 06/15/21 19:10 1Free Liquid Positive

General Chemistry - Soluble

RL

Ammonia (undistilled) <81 M3 81 mg/Kg ☼ 06/16/21 14:08 50

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

1400 mg/Kg 06/17/21 15:35 06/20/21 10:51 20☼Nitrogen, Kjeldahl 35000 D2 M3 R13

8.1 mg/Kg 06/22/21 19:49 1☼Nitrogen, Organic 35000

Eurofins TestAmerica, Phoenix

Page 4 of 23 6/23/2021

QC Sample Results

Project/Site: National Park Service KL (60031)

Method: 9056A - Anions, Ion Chromatography

Client Sample ID: Method BlankLab Sample ID: MB 550-245985/1-A Matrix: Solid Prep Type: Soluble Analysis Batch: 246062

RL

Nitrate as N <0.99 0.99 mg/Kg 06/22/21 20:04 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: Lab Control SampleLab Sample ID: LCS 550-245985/2-A Matrix: Solid Prep Type: Soluble Analysis Batch: 246062

Nitrate as N 39.4 40.5 mg/Kg 103 80 - 120

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 550-245985/3-A Matrix: Solid Prep Type: Soluble Analysis Batch: 246062

Nitrate as N 39.0 39.8 mg/Kg 102 80 - 120 2 20

Analyte

LCSD LCSD

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits LimitRPD

RPD

Client Sample ID: Matrix SpikeLab Sample ID: 550-165124-A-1-G MS Matrix: Solid Prep Type: Soluble Analysis Batch: 246062

Nitrate as N 25 39.3 67.7 mg/Kg 108 80 - 120

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Client Sample ID: Matrix Spike DuplicateLab Sample ID: 550-165124-A-1-H MSD Matrix: Solid Prep Type: Soluble Analysis Batch: 246062

Nitrate as N 25 38.8 67.9 mg/Kg 110 80 - 120 0 20

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Client Sample ID: DuplicateLab Sample ID: 550-165124-A-1-F DU Matrix: Solid Prep Type: Soluble Analysis Batch: 246062

Nitrate as N 25 27.2 mg/Kg 7 15

Analyte

DU DU

DUnitResult Qualifier

Sample

Result

Sample

Qualifier LimitRPD

RPD

Method: 6010C - Metals (ICP)

Client Sample ID: Method BlankLab Sample ID: MB 550-244952/1-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245138 Prep Batch: 244952

RL

Arsenic <2.5 2.5 mg/Kg 06/10/21 15:25 06/11/21 16:43 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

<0.099 0.099 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Cadmium

<0.25 0.25 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Chromium

<0.25 0.25 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Copper

<0.50 0.50 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Lead

<0.50 0.50 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Molybdenum

Eurofins TestAmerica, Phoenix

Page 5 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

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

Client Sample ID: Method BlankLab Sample ID: MB 550-244952/1-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245138 Prep Batch: 244952

RL

Nickel <0.50 0.50 mg/Kg 06/10/21 15:25 06/11/21 16:43 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

<0.50 0.50 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Selenium

<5.0 5.0 mg/Kg 06/10/21 15:25 06/11/21 16:43 1Zinc

Client Sample ID: Lab Control SampleLab Sample ID: LCS 550-244952/2-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245138 Prep Batch: 244952

Arsenic 48.8 43.9 mg/Kg 90 80 - 110

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Cadmium 48.8 44.5 mg/Kg 91 83 - 110

Chromium 48.8 46.1 mg/Kg 94 86 - 110

Copper 48.8 45.6 mg/Kg 94 88 - 111

Lead 48.8 44.7 mg/Kg 92 83 - 110

Molybdenum 48.8 47.0 mg/Kg 96 88 - 110

Nickel 48.8 45.8 mg/Kg 94 87 - 110

Selenium 48.8 43.7 mg/Kg 90 80 - 110

Zinc 48.8 45.2 mg/Kg 93 81 - 110

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 550-244952/3-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245138 Prep Batch: 244952

Arsenic 49.4 44.9 mg/Kg 91 80 - 110 2 20

Analyte

LCSD LCSD

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits LimitRPD

RPD

Cadmium 49.4 45.2 mg/Kg 91 83 - 110 2 20

Chromium 49.4 47.0 mg/Kg 95 86 - 110 2 20

Copper 49.4 46.6 mg/Kg 94 88 - 111 2 20

Lead 49.4 45.6 mg/Kg 92 83 - 110 2 20

Molybdenum 49.4 48.0 mg/Kg 97 88 - 110 2 20

Nickel 49.4 46.7 mg/Kg 95 87 - 110 2 20

Selenium 49.4 44.9 mg/Kg 91 80 - 110 3 20

Zinc 49.4 46.2 mg/Kg 94 81 - 110 2 20

Client Sample ID: Matrix SpikeLab Sample ID: 550-165204-E-1-A MS Matrix: Solid Prep Type: Total/NA Analysis Batch: 245138 Prep Batch: 244952

Arsenic 2.8 49.0 47.9 mg/Kg 92 75 - 125

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Cadmium 0.35 49.0 46.5 mg/Kg 94 75 - 125

Chromium 8.8 49.0 56.8 mg/Kg 98 75 - 125

Copper 13 49.0 64.3 mg/Kg 104 75 - 125

Lead 56 M1 49.0 117 M1 mg/Kg 126 75 - 125

Molybdenum 0.69 49.0 46.1 mg/Kg 93 75 - 125

Nickel 7.4 49.0 52.6 mg/Kg 92 75 - 125

Selenium <0.50 49.0 45.7 mg/Kg 93 75 - 125

Zinc 45 49.0 93.7 mg/Kg 99 75 - 125

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Page 6 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

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

Client Sample ID: Matrix Spike DuplicateLab Sample ID: 550-165204-E-1-B MSD Matrix: Solid Prep Type: Total/NA Analysis Batch: 245138 Prep Batch: 244952

Arsenic 2.8 48.8 47.8 mg/Kg 92 75 - 125 0 20

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Cadmium 0.35 48.8 46.5 mg/Kg 94 75 - 125 0 20

Chromium 8.8 48.8 55.6 mg/Kg 96 75 - 125 2 20

Copper 13 48.8 62.5 mg/Kg 101 75 - 125 3 20

Lead 56 M1 48.8 111 mg/Kg 114 75 - 125 5 20

Molybdenum 0.69 48.8 46.3 mg/Kg 93 75 - 125 0 20

Nickel 7.4 48.8 51.9 mg/Kg 91 75 - 125 1 20

Selenium <0.50 48.8 45.8 mg/Kg 94 75 - 125 0 20

Zinc 45 48.8 87.8 mg/Kg 87 75 - 125 6 20

Client Sample ID: Method BlankLab Sample ID: MB 550-245098/1-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245231 Prep Batch: 245098

RL

Arsenic <0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:23 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

<0.50 0.50 mg/L 06/11/21 18:55 06/14/21 11:23 1Barium

<0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:23 1Cadmium

<0.25 0.25 mg/L 06/11/21 18:55 06/14/21 11:23 1Chromium

<0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:23 1Lead

<0.040 0.040 mg/L 06/11/21 18:55 06/14/21 11:23 1Silver

<0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:23 1Selenium

Client Sample ID: Lab Control SampleLab Sample ID: LCS 550-245098/2-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245231 Prep Batch: 245098

Arsenic 5.00 5.05 mg/L 101 89 - 111

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Barium 5.00 4.87 mg/L 97 87 - 114

Cadmium 5.00 5.07 mg/L 101 90 - 110

Chromium 5.00 4.98 mg/L 100 86 - 112

Lead 5.00 5.06 mg/L 101 89 - 115

Silver 0.375 0.352 mg/L 94 80 - 113

Selenium 5.00 5.30 mg/L 106 92 - 120

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 550-245098/3-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245231 Prep Batch: 245098

Arsenic 5.00 5.04 mg/L 101 89 - 111 0 20

Analyte

LCSD LCSD

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits LimitRPD

RPD

Barium 5.00 4.99 mg/L 100 87 - 114 2 20

Cadmium 5.00 5.03 mg/L 101 90 - 110 1 20

Chromium 5.00 4.96 mg/L 99 86 - 112 0 20

Lead 5.00 5.05 mg/L 101 89 - 115 0 20

Silver 0.375 0.350 mg/L 93 80 - 113 1 20

Selenium 5.00 5.29 mg/L 106 92 - 120 0 20

Eurofins TestAmerica, Phoenix

Page 7 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

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

Client Sample ID: Method BlankLab Sample ID: LB 550-244928/1-C Matrix: Solid Prep Type: TCLP Analysis Batch: 245231 Prep Batch: 245098

RL

Arsenic <0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:45 1

LB LB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

<0.50 0.50 mg/L 06/11/21 18:55 06/14/21 11:45 1Barium

<0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:45 1Cadmium

<0.25 0.25 mg/L 06/11/21 18:55 06/14/21 11:45 1Chromium

<0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:45 1Lead

<0.040 0.040 mg/L 06/11/21 18:55 06/14/21 11:45 1Silver

<0.10 0.10 mg/L 06/11/21 18:55 06/14/21 11:45 1Selenium

Client Sample ID: Matrix SpikeLab Sample ID: 550-165199-A-1-C MS Matrix: Solid Prep Type: TCLP Analysis Batch: 245231 Prep Batch: 245098

Arsenic <0.10 5.00 5.22 mg/L 104 75 - 125

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Barium 3.7 5.00 8.74 mg/L 100 75 - 125

Cadmium <0.10 5.00 5.12 mg/L 102 75 - 125

Chromium <0.25 5.00 4.98 mg/L 100 75 - 125

Lead 0.40 5.00 5.43 mg/L 101 75 - 125

Silver <0.040 0.375 0.360 mg/L 96 75 - 125

Selenium <0.10 5.00 5.49 mg/L 110 75 - 125

Client Sample ID: Matrix Spike DuplicateLab Sample ID: 550-165199-A-1-D MSD Matrix: Solid Prep Type: TCLP Analysis Batch: 245231 Prep Batch: 245098

Arsenic <0.10 5.00 5.19 mg/L 104 75 - 125 0 20

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Barium 3.7 5.00 8.95 mg/L 104 75 - 125 2 20

Cadmium <0.10 5.00 5.18 mg/L 104 75 - 125 1 20

Chromium <0.25 5.00 4.98 mg/L 100 75 - 125 0 20

Lead 0.40 5.00 5.42 mg/L 101 75 - 125 0 20

Silver <0.040 0.375 0.359 mg/L 96 75 - 125 0 20

Selenium <0.10 5.00 5.48 mg/L 110 75 - 125 0 20

Method: 7470A - Mercury (CVAA)

Client Sample ID: Method BlankLab Sample ID: MB 550-245352/1-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245366 Prep Batch: 245352

RL

Mercury <0.00050 0.00050 mg/L 06/15/21 16:44 06/15/21 21:25 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: Lab Control SampleLab Sample ID: LCS 550-245352/2-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245366 Prep Batch: 245352

Mercury 0.00500 0.00520 mg/L 104 80 - 120

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Eurofins TestAmerica, Phoenix

Page 8 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

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

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 550-245352/3-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 245366 Prep Batch: 245352

Mercury 0.00500 0.00521 mg/L 104 80 - 120 0 20

Analyte

LCSD LCSD

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits LimitRPD

RPD

Client Sample ID: Method BlankLab Sample ID: LB 550-244928/1-F Matrix: Solid Prep Type: TCLP Analysis Batch: 245366 Prep Batch: 245352

RL

Mercury <0.00050 0.00050 mg/L 06/15/21 16:44 06/15/21 21:59 1

LB LB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: Method BlankLab Sample ID: LB 550-245226/1-C Matrix: Solid Prep Type: TCLP Analysis Batch: 245366 Prep Batch: 245352

RL

Mercury <0.00050 0.00050 mg/L 06/15/21 16:44 06/15/21 21:34 1

LB LB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: Matrix SpikeLab Sample ID: 550-165372-A-9-C MS Matrix: Solid Prep Type: TCLP Analysis Batch: 245366 Prep Batch: 245352

Mercury <0.00050 0.00500 0.00531 mg/L 106 75 - 125

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Client Sample ID: Matrix Spike DuplicateLab Sample ID: 550-165372-A-9-D MSD Matrix: Solid Prep Type: TCLP Analysis Batch: 245366 Prep Batch: 245352

Mercury <0.00050 0.00500 0.00533 mg/L 107 75 - 125 0 20

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Method: 7471B - Mercury (CVAA)

Client Sample ID: Method BlankLab Sample ID: MB 550-244822/1-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 244840 Prep Batch: 244822

RL

Mercury <0.098 0.098 mg/Kg 06/09/21 16:30 06/09/21 19:40 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: Lab Control SampleLab Sample ID: LCS 550-244822/2-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 244840 Prep Batch: 244822

Mercury 0.975 0.999 mg/Kg 102 80 - 120

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Eurofins TestAmerica, Phoenix

Page 9 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

Method: 7471B - Mercury (CVAA) (Continued)

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 550-244822/3-A Matrix: Solid Prep Type: Total/NA Analysis Batch: 244840 Prep Batch: 244822

Mercury 0.898 0.890 mg/Kg 99 80 - 120 12 20

Analyte

LCSD LCSD

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits LimitRPD

RPD

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 MS Matrix: Solid Prep Type: Total/NA Analysis Batch: 244840 Prep Batch: 244822

Mercury <0.15 1.44 1.55 mg/Kg 107 80 - 120☼

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 MSD Matrix: Solid Prep Type: Total/NA Analysis Batch: 244840 Prep Batch: 244822

Mercury <0.15 1.57 1.66 mg/Kg 106 80 - 120 7 20☼

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Method: 2540G - SM 2540G

Client Sample ID: Method BlankLab Sample ID: MB 550-244932/1 Matrix: Solid Prep Type: Total/NA Analysis Batch: 244932

RL

Percent Moisture 0.002 0.1 % 06/10/21 13:08 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 DU Matrix: Solid Prep Type: Total/NA Analysis Batch: 244932

Percent Moisture 38.0 R8 26.9 R8 % 34 10

Analyte

DU DU

DUnitResult Qualifier

Sample

Result

Sample

Qualifier LimitRPD

RPD

Method: 350.1 - Nitrogen, Ammonia

Client Sample ID: Lab Control SampleLab Sample ID: MRL 400-535978/13 Matrix: Solid Prep Type: Total/NA Analysis Batch: 535978

Ammonia (undistilled) 0.0500 0.0530 mg/L 106 50 - 150

Analyte

MRL MRL

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Client Sample ID: Method BlankLab Sample ID: MB 400-535942/1-A Matrix: Solid Prep Type: Soluble Analysis Batch: 535978

RL

Ammonia (undistilled) <1.0 1.0 mg/Kg 06/16/21 14:06 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Eurofins TestAmerica, Phoenix

Page 10 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

Method: 350.1 - Nitrogen, Ammonia (Continued)

Client Sample ID: Lab Control SampleLab Sample ID: LCS 400-535942/2-A Matrix: Solid Prep Type: Soluble Analysis Batch: 535978

Ammonia (undistilled) 40.0 39.7 mg/Kg 99 90 - 110

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 MS Matrix: Solid Prep Type: Soluble Analysis Batch: 535978

Ammonia (undistilled) <81 M3 6.46 <81 M3 mg/Kg 0 90 - 110☼

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 MSD Matrix: Solid Prep Type: Soluble Analysis Batch: 535978

Ammonia (undistilled) <81 M3 6.46 129 M3 mg/Kg 1150 90 - 110 NC 11☼

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Method: 351.2 - Nitrogen, Total Kjeldahl

Client Sample ID: Method BlankLab Sample ID: MB 550-245557/1-B Matrix: Solid Prep Type: Soluble Analysis Batch: 245764 Prep Batch: 245568

RL

Nitrogen, Kjeldahl <49 49 mg/Kg 06/17/21 15:35 06/20/21 10:45 1

MB MB

Analyte Dil FacAnalyzedPreparedDUnitResult Qualifier

Client Sample ID: Lab Control SampleLab Sample ID: LCS 550-245557/2-B Matrix: Solid Prep Type: Soluble Analysis Batch: 245764 Prep Batch: 245568

Nitrogen, Kjeldahl 959 991 mg/Kg 103 90 - 110

Analyte

LCS LCS

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits

Client Sample ID: Lab Control Sample DupLab Sample ID: LCSD 550-245557/3-B Matrix: Solid Prep Type: Soluble Analysis Batch: 245764 Prep Batch: 245568

Nitrogen, Kjeldahl 943 954 mg/Kg 101 90 - 110 4 20

Analyte

LCSD LCSD

DUnitResult Qualifier %Rec

Spike

Added

%Rec.

Limits LimitRPD

RPD

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 MS Matrix: Solid Prep Type: Soluble Analysis Batch: 245764 Prep Batch: 245568

Nitrogen, Kjeldahl 35000 R13 M3

D2

1560 34400 D2 M3

R13 mg/Kg -29 90 - 110☼

Analyte

MS MS

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits

Eurofins TestAmerica, Phoenix

Page 11 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

Method: 351.2 - Nitrogen, Total Kjeldahl (Continued)

Client Sample ID: KL Lagoon #1 (60031-01)Lab Sample ID: 550-165128-1 MSD Matrix: Solid Prep Type: Soluble Analysis Batch: 245764 Prep Batch: 245568

Nitrogen, Kjeldahl 35000 R13 M3

D2

1510 50400 D2 M3

R13 mg/Kg 1031 90 - 110 38 20☼

Analyte

MSD MSD

DUnitResult Qualifier %Rec

Spike

Added

Sample

Result

Sample

Qualifier

%Rec.

Limits LimitRPD

RPD

Eurofins TestAmerica, Phoenix

Page 12 of 23 6/23/2021

QC Association Summary

Project/Site: National Park Service KL (60031)

HPLC/IC

Leach Batch: 245985

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

Solid DI Leach550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid DI LeachMB 550-245985/1-A Method Blank Soluble

Solid DI LeachLCS 550-245985/2-A Lab Control Sample Soluble

Solid DI LeachLCSD 550-245985/3-A Lab Control Sample Dup Soluble

Solid DI Leach550-165124-A-1-G MS Matrix Spike Soluble

Solid DI Leach550-165124-A-1-H MSD Matrix Spike Duplicate Soluble

Solid DI Leach550-165124-A-1-F DU Duplicate Soluble

Analysis Batch: 246062

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

Solid 9056A 245985550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid 9056A 245985MB 550-245985/1-A Method Blank Soluble

Solid 9056A 245985LCS 550-245985/2-A Lab Control Sample Soluble

Solid 9056A 245985LCSD 550-245985/3-A Lab Control Sample Dup Soluble

Solid 9056A 245985550-165124-A-1-G MS Matrix Spike Soluble

Solid 9056A 245985550-165124-A-1-H MSD Matrix Spike Duplicate Soluble

Solid 9056A 245985550-165124-A-1-F DU Duplicate Soluble

Metals

Prep Batch: 244822

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

Solid 7471B550-165128-1 KL Lagoon #1 (60031-01) Total/NA

Solid 7471BMB 550-244822/1-A Method Blank Total/NA

Solid 7471BLCS 550-244822/2-A Lab Control Sample Total/NA

Solid 7471BLCSD 550-244822/3-A Lab Control Sample Dup Total/NA

Solid 7471B550-165128-1 MS KL Lagoon #1 (60031-01) Total/NA

Solid 7471B550-165128-1 MSD KL Lagoon #1 (60031-01) Total/NA

Analysis Batch: 244840

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

Solid 7471B 244822550-165128-1 KL Lagoon #1 (60031-01) Total/NA

Solid 7471B 244822MB 550-244822/1-A Method Blank Total/NA

Solid 7471B 244822LCS 550-244822/2-A Lab Control Sample Total/NA

Solid 7471B 244822LCSD 550-244822/3-A Lab Control Sample Dup Total/NA

Solid 7471B 244822550-165128-1 MS KL Lagoon #1 (60031-01) Total/NA

Solid 7471B 244822550-165128-1 MSD KL Lagoon #1 (60031-01) Total/NA

Leach Batch: 244928

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

Solid 1311550-165128-1 KL Lagoon #1 (60031-01) TCLP

Solid 1311LB 550-244928/1-C Method Blank TCLP

Solid 1311LB 550-244928/1-F Method Blank TCLP

Solid 1311550-165199-A-1-C MS Matrix Spike TCLP

Solid 1311550-165199-A-1-D MSD Matrix Spike Duplicate TCLP

Prep Batch: 244952

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

Solid 3050B550-165128-1 KL Lagoon #1 (60031-01) Total/NA

Solid 3050BMB 550-244952/1-A Method Blank Total/NA

Solid 3050BLCS 550-244952/2-A Lab Control Sample Total/NA

Eurofins TestAmerica, Phoenix

Page 13 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

Metals (Continued)

Prep Batch: 244952 (Continued)

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

Solid 3050BLCSD 550-244952/3-A Lab Control Sample Dup Total/NA

Solid 3050B550-165204-E-1-A MS Matrix Spike Total/NA

Solid 3050B550-165204-E-1-B MSD Matrix Spike Duplicate Total/NA

Prep Batch: 245098

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

Solid 3010A 244928550-165128-1 KL Lagoon #1 (60031-01) TCLP

Solid 3010A 244928LB 550-244928/1-C Method Blank TCLP

Solid 3010AMB 550-245098/1-A Method Blank Total/NA

Solid 3010ALCS 550-245098/2-A Lab Control Sample Total/NA

Solid 3010ALCSD 550-245098/3-A Lab Control Sample Dup Total/NA

Solid 3010A 244928550-165199-A-1-C MS Matrix Spike TCLP

Solid 3010A 244928550-165199-A-1-D MSD Matrix Spike Duplicate TCLP

Analysis Batch: 245138

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

Solid 6010C 244952550-165128-1 KL Lagoon #1 (60031-01) Total/NA

Solid 6010C 244952MB 550-244952/1-A Method Blank Total/NA

Solid 6010C 244952LCS 550-244952/2-A Lab Control Sample Total/NA

Solid 6010C 244952LCSD 550-244952/3-A Lab Control Sample Dup Total/NA

Solid 6010C 244952550-165204-E-1-A MS Matrix Spike Total/NA

Solid 6010C 244952550-165204-E-1-B MSD Matrix Spike Duplicate Total/NA

Leach Batch: 245226

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

Solid 1311LB 550-245226/1-C Method Blank TCLP

Solid 1311550-165372-A-9-C MS Matrix Spike TCLP

Solid 1311550-165372-A-9-D MSD Matrix Spike Duplicate TCLP

Analysis Batch: 245231

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

Solid 6010C 245098550-165128-1 KL Lagoon #1 (60031-01) TCLP

Solid 6010C 245098LB 550-244928/1-C Method Blank TCLP

Solid 6010C 245098MB 550-245098/1-A Method Blank Total/NA

Solid 6010C 245098LCS 550-245098/2-A Lab Control Sample Total/NA

Solid 6010C 245098LCSD 550-245098/3-A Lab Control Sample Dup Total/NA

Solid 6010C 245098550-165199-A-1-C MS Matrix Spike TCLP

Solid 6010C 245098550-165199-A-1-D MSD Matrix Spike Duplicate TCLP

Prep Batch: 245352

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

Solid 7470A 244928550-165128-1 KL Lagoon #1 (60031-01) TCLP

Solid 7470A 244928LB 550-244928/1-F Method Blank TCLP

Solid 7470A 245226LB 550-245226/1-C Method Blank TCLP

Solid 7470AMB 550-245352/1-A Method Blank Total/NA

Solid 7470ALCS 550-245352/2-A Lab Control Sample Total/NA

Solid 7470ALCSD 550-245352/3-A Lab Control Sample Dup Total/NA

Solid 7470A 245226550-165372-A-9-C MS Matrix Spike TCLP

Solid 7470A 245226550-165372-A-9-D MSD Matrix Spike Duplicate TCLP

Eurofins TestAmerica, Phoenix

Page 14 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

Metals

Analysis Batch: 245366

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

Solid 7470A 245352550-165128-1 KL Lagoon #1 (60031-01) TCLP

Solid 7470A 245352LB 550-244928/1-F Method Blank TCLP

Solid 7470A 245352LB 550-245226/1-C Method Blank TCLP

Solid 7470A 245352MB 550-245352/1-A Method Blank Total/NA

Solid 7470A 245352LCS 550-245352/2-A Lab Control Sample Total/NA

Solid 7470A 245352LCSD 550-245352/3-A Lab Control Sample Dup Total/NA

Solid 7470A 245352550-165372-A-9-C MS Matrix Spike TCLP

Solid 7470A 245352550-165372-A-9-D MSD Matrix Spike Duplicate TCLP

General Chemistry

Analysis Batch: 244257

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

Solid Nitrogen,Org550-165128-1 KL Lagoon #1 (60031-01) Soluble

Analysis Batch: 244932

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

Solid 2540G550-165128-1 KL Lagoon #1 (60031-01) Total/NA

Solid 2540GMB 550-244932/1 Method Blank Total/NA

Solid 2540G550-165128-1 DU KL Lagoon #1 (60031-01) Total/NA

Analysis Batch: 245359

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

Solid 9095B550-165128-1 KL Lagoon #1 (60031-01) Total/NA

Leach Batch: 245557

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

Solid DI Leach550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid DI LeachMB 550-245557/1-B Method Blank Soluble

Solid DI LeachLCS 550-245557/2-B Lab Control Sample Soluble

Solid DI LeachLCSD 550-245557/3-B Lab Control Sample Dup Soluble

Solid DI Leach550-165128-1 MS KL Lagoon #1 (60031-01) Soluble

Solid DI Leach550-165128-1 MSD KL Lagoon #1 (60031-01) Soluble

Prep Batch: 245568

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

Solid 351.2 245557550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid 351.2 245557MB 550-245557/1-B Method Blank Soluble

Solid 351.2 245557LCS 550-245557/2-B Lab Control Sample Soluble

Solid 351.2 245557LCSD 550-245557/3-B Lab Control Sample Dup Soluble

Solid 351.2 245557550-165128-1 MS KL Lagoon #1 (60031-01) Soluble

Solid 351.2 245557550-165128-1 MSD KL Lagoon #1 (60031-01) Soluble

Analysis Batch: 245764

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

Solid 351.2 245568550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid 351.2 245568MB 550-245557/1-B Method Blank Soluble

Solid 351.2 245568LCS 550-245557/2-B Lab Control Sample Soluble

Solid 351.2 245568LCSD 550-245557/3-B Lab Control Sample Dup Soluble

Solid 351.2 245568550-165128-1 MS KL Lagoon #1 (60031-01) Soluble

Solid 351.2 245568550-165128-1 MSD KL Lagoon #1 (60031-01) Soluble

Eurofins TestAmerica, Phoenix

Page 15 of 23 6/23/2021

Project/Site: National Park Service KL (60031)

General Chemistry

Leach Batch: 535942

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

Solid DI Leach550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid DI LeachMB 400-535942/1-A Method Blank Soluble

Solid DI LeachLCS 400-535942/2-A Lab Control Sample Soluble

Solid DI Leach550-165128-1 MS KL Lagoon #1 (60031-01) Soluble

Solid DI Leach550-165128-1 MSD KL Lagoon #1 (60031-01) Soluble

Analysis Batch: 535978

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

Solid 350.1 535942550-165128-1 KL Lagoon #1 (60031-01) Soluble

Solid 350.1 535942MB 400-535942/1-A Method Blank Soluble

Solid 350.1 535942LCS 400-535942/2-A Lab Control Sample Soluble

Solid 350.1MRL 400-535978/13 Lab Control Sample Total/NA

Solid 350.1 535942550-165128-1 MS KL Lagoon #1 (60031-01) Soluble

Solid 350.1 535942550-165128-1 MSD KL Lagoon #1 (60031-01) Soluble

Eurofins TestAmerica, Phoenix

Page 16 of 23 6/23/2021

Lab Chronicle

Project/Site: National Park Service KL (60031)

Client Sample ID: KL Lagoon #1 (60031-01) Lab Sample ID: 550-165128-1 Matrix: SolidDate Collected: 06/08/21 08:50

Date Received: 06/09/21 10:30

Leach 1311 06/10/21 21:54 CXK244928 TAL PHX

Type

Batch Batch

MethodPrep Type LabAnalystRun

Prepared or Analyzed

Batch

Number

Dilution

Factor

TCLP

Prep 3010A 245098 06/11/21 18:55 CXK TAL PHXTCLP

Analysis 6010C 1 245231 06/14/21 12:53 MGM TAL PHXTCLP

Leach 1311 244928 06/10/21 21:54 CXK TAL PHXTCLP

Prep 7470A 245352 06/15/21 16:44 SRR TAL PHXTCLP

Analysis 7470A 1 245366 06/15/21 22:01 SRR TAL PHXTCLP

Analysis 2540G 1 244932 YET TAL PHXTotal/NA

(Start)

(End)

06/10/21 13:08

06/11/21 08:20

Analysis 9095B 1 245359 MEG TAL PHXTotal/NA

(Start)

(End)

06/15/21 19:10

06/15/21 19:15

Client Sample ID: KL Lagoon #1 (60031-01) Lab Sample ID: 550-165128-1 Matrix: SolidDate Collected: 06/08/21 08:50

Percent Solids: 62.0Date Received: 06/09/21 10:30

Leach DI Leach 06/22/21 15:59 MEG245985 TAL PHX

Type

Batch Batch

MethodPrep Type LabAnalystRun

Prepared or Analyzed

Batch

Number

Dilution

Factor

Soluble

Analysis 9056A 1 246062 06/23/21 08:51 JRP TAL PHXSoluble

Prep 3050B 244952 06/10/21 15:25 MGM TAL PHXTotal/NA

Analysis 6010C 1 245138 06/11/21 17:44 MGM TAL PHXTotal/NA

Prep 7471B 244822 06/09/21 16:30 SRR TAL PHXTotal/NA

Analysis 7471B 1 244840 06/09/21 19:50 SRR TAL PHXTotal/NA

Leach DI Leach 535942 06/16/21 12:54 KJR TAL PENSoluble

Analysis 350.1 50 535978 06/16/21 14:08 KJR TAL PENSoluble

Leach DI Leach 245557 06/17/21 14:00 DGS TAL PHXSoluble

Prep 351.2 245568 06/17/21 15:35 DGS TAL PHXSoluble

Analysis 351.2 20 245764 06/20/21 10:51 DGS TAL PHXSoluble

Analysis Nitrogen,Org 1 244257 06/22/21 19:49 LAS TAL PHXSoluble

Laboratory References:

TAL PEN = Eurofins TestAmerica, Pensacola, 3355 McLemore Drive, Pensacola, FL 32514, TEL (850)474-1001

TAL PHX = Eurofins TestAmerica, Phoenix, 4625 East Cotton Ctr Blvd, Suite 189, Phoenix, AZ 85040, TEL (602)437-3340

Eurofins TestAmerica, Phoenix

Page 17 of 23 6/23/2021

Accreditation/Certification Summary

Project/Site: National Park Service KL (60031)

Laboratory: Eurofins TestAmerica, Phoenix Unless otherwise noted, all analytes for this laboratory were covered under each accreditation/certification below.

Authority Program Identification Number Expiration Date

Arizona AZ0728State 06-10-22

The following analytes are included in this report, but the laboratory is not certified by the governing authority. This list may include analytes for which the agency does not offer certification.

Analysis Method Prep Method Matrix Analyte

2540G Solid Percent Moisture

351.2 351.2 Solid Nitrogen, Kjeldahl

Nitrogen,Org Solid Nitrogen, Organic

Laboratory: Eurofins TestAmerica, Pensacola All accreditations/certifications held by this laboratory are listed. Not all accreditations/certifications are applicable to this report.

Authority Program Identification Number Expiration Date

Alabama 40150State 06-30-21

ANAB ISO/IEC 17025 L2471 02-23-23

Arizona State AZ0710 01-12-22

Arkansas DEQ State 88-0689 09-02-21

California State 2510 06-30-21

Florida NELAP E81010 06-30-21

Georgia State E81010(FL) 06-30-21

Illinois NELAP 200041 10-09-21

Iowa State 367 08-01-22

Kansas NELAP E-10253 10-31-21

Kentucky (UST) State 53 06-30-21

Kentucky (WW) State KY98030 12-31-21

Louisiana NELAP 30976 06-30-21

Louisiana (DW) State LA017 12-31-21

Maryland State 233 09-30-21

Massachusetts State M-FL094 06-30-21

Michigan State 9912 06-30-21

New Jersey NELAP FL006 06-30-21

North Carolina (WW/SW) State 314 12-31-21

Oklahoma State 9810 08-31-21

Pennsylvania NELAP 68-00467 01-31-22

Rhode Island State LAO00307 12-30-21

South Carolina State 96026 06-30-21

Tennessee State TN02907 06-30-21

Texas NELAP T104704286 09-30-21

US Fish & Wildlife US Federal Programs 058448 07-31-21

USDA US Federal Programs P330-21-00056 05-17-24

Virginia NELAP 460166 06-14-22

Washington State C915 05-15-22

West Virginia DEP State 136 06-30-21

Eurofins TestAmerica, Phoenix

Page 18 of 23 6/23/2021

Method Summary

Project/Site: National Park Service KL (60031)

Method Method Description LaboratoryProtocol

SW8469056A Anions, Ion Chromatography TAL PHX

SW8466010C Metals (ICP) TAL PHX

SW8467470A Mercury (CVAA) TAL PHX

SW8467471B Mercury (CVAA) TAL PHX

SM222540G SM 2540G TAL PHX

MCAWW350.1 Nitrogen, Ammonia TAL PEN

MCAWW351.2 Nitrogen, Total Kjeldahl TAL PHX

SW8469095B Paint Filter TAL PHX

EPANitrogen,Org Nitrogen, Organic TAL PHX

SW8461311 TCLP Extraction TAL PHX

SW8463010A Preparation, Total Metals TAL PHX

SW8463050B Preparation, Metals TAL PHX

MCAWW351.2 Nitrogen, Total Kjeldahl TAL PHX

SW8467470A Preparation, Mercury TAL PHX

SW8467471B Preparation, Mercury TAL PHX

ASTMDI Leach Deionized Water Leaching Procedure TAL PEN

ASTMDI Leach Deionized Water Leaching Procedure TAL PHX

Protocol References:

ASTM = ASTM International

EPA = US Environmental Protection Agency

MCAWW = "Methods For Chemical Analysis Of Water And Wastes", EPA-600/4-79-020, March 1983 And Subsequent Revisions.

SM22 = Standard Methods For The Examination Of Water And Wastewater, 22nd Edition

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

Laboratory References:

TAL PEN = Eurofins TestAmerica, Pensacola, 3355 McLemore Drive, Pensacola, FL 32514, TEL (850)474-1001

TAL PHX = Eurofins TestAmerica, Phoenix, 4625 East Cotton Ctr Blvd, Suite 189, Phoenix, AZ 85040, TEL (602)437-3340

Eurofins TestAmerica, Phoenix

Page 19 of 23 6/23/2021

Page 20 of 23 6/23/2021

Page 21 of 23 6/23/2021

Login Sample Receipt Checklist

Client: Mohave Environmental Laboratory Job Number: 550-165128-1

Login Number: 165128

Question Answer Comment

Creator: Gravlin, Andrea

List Source: Eurofins TestAmerica, Phoenix

List Number: 1

TrueRadioactivity wasn't checked or is </= background as measured by a survey meter.

TrueThe cooler's custody seal, if present, is intact.

TrueSample custody seals, if present, are intact.

TrueThe cooler or samples do not appear to have been compromised or tampered with.

TrueSamples were received on ice.

TrueCooler Temperature is acceptable.

TrueCooler Temperature is recorded.

TrueCOC is present.

TrueCOC is filled out in ink and legible.

TrueCOC is filled out with all pertinent information.

TrueIs the Field Sampler's name present on COC?

TrueThere are no discrepancies between the containers received and the COC.

TrueSamples are received within Holding Time (excluding tests with immediate HTs)

TrueSample containers have legible labels.

TrueContainers are not broken or leaking.

TrueSample collection date/times are provided.

TrueAppropriate sample containers are used.

TrueSample bottles are completely filled.

TrueSample Preservation Verified.

TrueThere is sufficient vol. for all requested analyses, incl. any requested MS/MSDs

TrueContainers requiring zero headspace have no headspace or bubble is <6mm (1/4").

TrueMultiphasic samples are not present.

TrueSamples do not require splitting or compositing.

N/AResidual Chlorine Checked.

Eurofins TestAmerica, Phoenix Page 22 of 23 6/23/2021

Login Sample Receipt Checklist

Client: Mohave Environmental Laboratory Job Number: 550-165128-1

Login Number: 165128

Question Answer Comment

Creator: Waite, Brandon K

List Source: Eurofins TestAmerica, Pensacola

List Creation: 06/11/21 02:48 PMList Number: 2

N/ARadioactivity wasn't checked or is </= background as measured by a survey meter.

TrueThe cooler's custody seal, if present, is intact.

N/ASample custody seals, if present, are intact.

TrueThe cooler or samples do not appear to have been compromised or tampered with.

TrueSamples were received on ice.

TrueCooler Temperature is acceptable.

TrueCooler Temperature is recorded. 4.7°C IR-8

TrueCOC is present.

TrueCOC is filled out in ink and legible.

TrueCOC is filled out with all pertinent information.

TrueIs the Field Sampler's name present on COC?

TrueThere are no discrepancies between the containers received and the COC.

TrueSamples are received within Holding Time (excluding tests with immediate HTs)

TrueSample containers have legible labels.

TrueContainers are not broken or leaking.

TrueSample collection date/times are provided.

TrueAppropriate sample containers are used.

TrueSample bottles are completely filled.

TrueSample Preservation Verified.

TrueThere is sufficient vol. for all requested analyses, incl. any requested MS/MSDs

N/AContainers requiring zero headspace have no headspace or bubble is <6mm (1/4").

TrueMultiphasic samples are not present.

TrueSamples do not require splitting or compositing.

N/AResidual Chlorine Checked.

Eurofins TestAmerica, Phoenix Page 23 of 23 6/23/2021