Red180-135938-2_FinalReport.pdf

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Attached to
Houghtaling Island Sand Harvesting Federal contract opportunity
Solicitation number
W912DS23B0023
Issued by
Department of the Army Corps of Engineers Engineering District New York

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This document provides details on a federal solicitation for sand harvesting services on Houghtaling Island. The solicitation was issued by the U.S. Army Corps of Engineers New York District under number W912DS23B0023. Interested parties are invited to harvest sand from Houghtaling Island and transport it via barge to a designated disposal site by the response deadline of April 15, 2023. Award is expected to be made by May 1, 2023 to the responsible offeror whose proposal follows the solicitation instructions and is determined most advantageous to the government considering technical approach and pricing. The period of performance is from June 1, 2023 through May 31, 2024 with two additional one-year option periods. Pricing shall be on a fixed unit rate per cubic yard of sand harvested and transported. This is a small business set-aside solicitation.

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ANALYTICAL REPORT

Job Number: 180-135938-2

Job Description: RFP No. 22-0801, Houghtaling Island

For:

Battelle

141 Longwater Dr Suite 202

Norwell, MA 02061

Attention: Carole Peven McCarthy

Approved for release.

Carrie L Gamber Senior Project Manager

6/22/2022 4:06 PM

Carrie L Gamber, Senior Project Manager 301 Alpha Drive, Pittsburgh, PA, 15238

(412)963-2428 Carrie.Gamber@et.eurofinsus.com

06/22/2022

The test results in this report meet all NELAP requirements for parameters for which accreditation is required or available. Any exceptions to the NELAP requirements are noted in this report. Pursuant to NELAP, this report may not be reproduced, except in full, without the written approval of the laboratory. This report is confidential and is intended for the sole use of Eurofins Environment Testing Northeast, LLC Pittsburgh and its client. All questions regarding this report should be directed to the Eurofins Environment Testing Northeast, LLC Pittsburgh Project Manager or designee who has signed this report.

The test results in this report relate only to the samples as received by the laboratory and will meet all requirements of the methodology, with any exceptions noted. This report shall not be reproduced except in full, without the express written approval of the laboratory. All questions should be directed to the Eurofins Pittsburgh Project Manager.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.

Eurofins Pittsburgh

301 Alpha Drive, RIDC Park, Pittsburgh, PA 15238

Tel (412) 963-7058 Fax (412) 963-2468 www.EurofinsUS.com

PA Lab ID: 02-00416 mailto:Carrie.Gamber@et.eurofinsus.com http://www.EurofinsUS.com http://

Table of Contents Cover Title Page

Data Summaries

Definitions

Case Narrative

Detection Summary

Client Sample Results

Default Detection Limits

Surrogate Summary

Isotope Dilution Summary

QC Sample Results

QC Association

Chronicle

Certification Summary

Method Summary

Sample Summary

Manual Integration Summary

Reagent Traceability

COAs

Organic Sample Data

Dioxin

1613B 1613B QC Summary 1613B Sample Data Standards Data

1613B ICAL Data 1613B Resolution Data

Table of Contents 1613B CCAL Data

Raw QC Data 1613B Tune Data 1613B Blank Data 1613B LCS/LCSD Data 1613B MS/MSD Data

1613B Run Logs 1613B Prep Data

Subcontracted Data

Shipping and Receiving Documents

Client Chain of Custody

Sample Receipt Checklist

Definitions/Glossary Job ID: 180-135938-2Client: Battelle

Project/Site: RFP No. 22-0801, Houghtaling Island

Qualifiers

Dioxin Qualifier Description

*5- Isotope dilution analyte is outside acceptance limits, low biased.

Qualifier

B Compound was found in the blank and sample.

F1 MS and/or MSD recovery exceeds control limits.

F2 MS/MSD RPD exceeds control limits

I Value is EMPC (estimated maximum possible concentration).

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

q The reported result is the estimated maximum possible concentration of this analyte, quantitated using the theoretical ion ratio. The measured ion ratio does not meet qualitative identification criteria and indicates a possible interference.

U Indicates the analyte was analyzed for but not detected.

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 Pittsburgh

CASE NARRATIVE

Client: Battelle

Project: RFP No. 22-0801, Houghtaling Island

Report Number: 180-135938-2

With the exceptions noted as flags or footnotes, standard analytical protocols were followed in the analysis of the samples and no problems were encountered or anomalies observed. In addition all laboratory quality control samples were within established control limits, with any exceptions noted below. Each sample was analyzed to achieve the lowest possible reporting limit within the constraints of the method. In some cases, due to interference or analytes present at high concentrations, samples were diluted. For diluted samples, the reporting limits are adjusted relative to the dilution required.

Calculations are performed before rounding to avoid round-off errors in calculated results.

All holding times were met and proper preservation noted for the methods performed on these samples, unless otherwise detailed in the individual sections below.

RECEIPT

The samples were received on 03/30/2022; the samples arrived in good condition, properly preserved and on ice. The temperatures of the 5 coolers at receipt time were 1.8º C, 2.2º C, 2.4º C, 3.4º C and 3.6º C.

DIOXINS

The following samples went through Gel-Permeation Cleanup procedure, based on EPA method 3640A: #20220282 #1-0-35 (180-135938-1), #20220282 #1-0-35 (180-135938-1[MS]), #20220282 #1-0-35 (180-135938-1[MSD]), #20220283 #1-0-25 (180-135938-2), #20220284 #1-25-35 (180-135938-3), #20220285 #2-0-35 (180-135938-4), #20220286 #2-0-25 (180-135938-5), #20220287 #2-25-35 (180-135938-6), #20220288 #3-0-35 (180-135938-7), #20220289 #3-0-25 (180-135938-8), #20220290 #3-25-35 (180-135938-9), #20220291 #4-0-35 (180-135938-10), #20220291 #4-0-35 (180-135938-10[MS]), #20220291 #4-0-35 (180-135938-10[MSD]), #20220292 #4-0-25 (180-135938-11) and #20220293 #4-25-35 (180-135938-12).

Several analytes were detected in method blank MB 140-62007/18-A at levels that were above the method detection limit but below the reporting limit. The values should be considered estimates, and have been flagged. If the associated sample reported a result above the MDL and/or RL, the result has been flagged.

OCDD failed the recovery criteria low for the MS of sample #20220291 #4-0-35MS (180-135938-10) in batch 140-62773. OCDD failed the recovery criteria high for the MSD of sample #20220291 #4-0-35MSD (180-135938-10) in batch 140-62773. OCDD exceeded the RPD limit.

Detection Summary

Project/Site: RFP No. 22-0801, Houghtaling Island

Client Sample ID: #20220282 #1-0-35 Lab Sample ID: 180-135938-1

☼1,2,3,7,8-PeCDD

RL

5.0 pg/g

EDL

0.027

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.12 1613B

☼1,2,3,4,7,8-HxCDD 5.0 pg/g0.012 Total/NA10.21 J q B 1613B

☼1,2,3,6,7,8-HxCDD 5.0 pg/g0.011 Total/NA10.68 J B 1613B

☼1,2,3,7,8,9-HxCDD 5.0 pg/g0.011 Total/NA10.61 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 5.0 pg/g0.14 Total/NA116 1613B

☼OCDD 9.9 pg/g0.0026 Total/NA1100 B 1613B

☼2,3,7,8-TCDF 0.99 pg/g0.064 Total/NA10.70 J q B 1613B

☼1,2,3,7,8-PeCDF 5.0 pg/g0.021 Total/NA10.14 J q 1613B

☼2,3,4,7,8-PeCDF 5.0 pg/g0.017 Total/NA10.16 J B 1613B

☼1,2,3,4,7,8-HxCDF 5.0 pg/g0.055 Total/NA10.30 J q 1613B

☼1,2,3,6,7,8-HxCDF 5.0 pg/g0.058 Total/NA10.24 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 5.0 pg/g0.047 Total/NA12.4 J 1613B

☼1,2,3,4,7,8,9-HpCDF 5.0 pg/g0.051 Total/NA10.11 J q 1613B

☼OCDF 9.9 pg/g0.020 Total/NA13.2 J B 1613B

Client Sample ID: #20220283 #1-0-25 Lab Sample ID: 180-135938-2

☼1,2,3,4,7,8-HxCDD

RL

4.9 pg/g

EDL

0.036

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.48 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.033 Total/NA11.0 J q B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.033 Total/NA10.97 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.30 Total/NA129 1613B

☼OCDD 9.9 pg/g0.049 Total/NA1210 B 1613B

☼2,3,7,8-TCDF 0.99 pg/g0.063 Total/NA10.88 J B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.046 Total/NA10.23 J q 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.041 Total/NA10.40 J q B 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.087 Total/NA10.66 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.093 Total/NA10.45 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.090 Total/NA14.3 J 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.11 Total/NA10.35 J 1613B

☼OCDF 9.9 pg/g0.081 Total/NA16.9 J B 1613B

Client Sample ID: #20220284 #1-25-35 Lab Sample ID: 180-135938-3

☼1,2,3,4,6,7,8-HpCDD

RL

5.0 pg/g

EDL

0.051

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J1.9 1613B

☼OCDD 10 pg/g0.025 Total/NA114 B 1613B

☼2,3,7,8-TCDF 1.0 pg/g0.049 Total/NA10.092 J q B 1613B

☼1,2,3,4,6,7,8-HpCDF 5.0 pg/g0.051 Total/NA10.33 J 1613B

☼OCDF 10 pg/g0.022 Total/NA10.38 J q B 1613B

Client Sample ID: #20220285 #2-0-35 Lab Sample ID: 180-135938-4

☼1,2,3,7,8-PeCDD

RL

4.8 pg/g

EDL

0.035

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B q0.089 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.012 Total/NA10.30 J B q 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.011 Total/NA11.2 J B q 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.011 Total/NA10.94 J B q 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.21 Total/NA130 1613B

☼OCDD 9.7 pg/g0.018 Total/NA1210 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.043 Total/NA10.51 J B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.023 Total/NA10.14 J 1613B

Eurofins Pittsburgh

This Detection Summary does not include radiochemical test results.

Project/Site: RFP No. 22-0801, Houghtaling Island

Client Sample ID: #20220285 #2-0-35 (Continued) Lab Sample ID: 180-135938-4

☼2,3,4,7,8-PeCDF

RL

4.8 pg/g

EDL

0.020

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.28 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.063 Total/NA10.37 J q 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.063 Total/NA10.29 J I q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.058 Total/NA15.6 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.073 Total/NA10.16 J q 1613B

☼OCDF 9.7 pg/g0.022 Total/NA116 B 1613B

Client Sample ID: #20220286 #2-0-25 Lab Sample ID: 180-135938-5

☼1,2,3,4,7,8-HxCDD

RL

4.8 pg/g

EDL

0.0074

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B q0.45 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.0072 Total/NA11.2 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.0069 Total/NA11.1 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.23 Total/NA133 1613B

☼OCDD 9.5 pg/g0.028 Total/NA1200 B 1613B

☼2,3,7,8-TCDF 0.95 pg/g0.063 Total/NA10.74 J B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.027 Total/NA10.12 J 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.023 Total/NA10.13 J B q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.067 Total/NA13.4 J q 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.082 Total/NA10.22 J 1613B

☼OCDF 9.5 pg/g0.0043 Total/NA16.5 J B 1613B

Client Sample ID: #20220287 #2-25-35 Lab Sample ID: 180-135938-6

☼1,2,3,7,8-PeCDD

RL

4.8 pg/g

EDL

0.021

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B q0.14 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.0098 Total/NA10.24 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.0096 Total/NA11.4 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.0092 Total/NA10.94 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.12 Total/NA125 1613B

☼OCDD 9.5 pg/g0.011 Total/NA1160 B 1613B

☼2,3,7,8-TCDF 0.95 pg/g0.043 Total/NA10.46 J B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.019 Total/NA10.086 J q 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.016 Total/NA10.19 J B 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.050 Total/NA10.47 J q 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.053 Total/NA10.61 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.055 Total/NA10.20 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.044 Total/NA110 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.053 Total/NA10.30 J 1613B

☼OCDF 9.5 pg/g0.014 Total/NA19.0 J B 1613B

Client Sample ID: #20220288 #3-0-35 Lab Sample ID: 180-135938-7

☼2,3,7,8-TCDD

RL

0.98 pg/g

EDL

0.060

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.17 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.042 Total/NA10.65 J q B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.041 Total/NA13.2 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.040 Total/NA12.3 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.19 Total/NA192 1613B

☼OCDD 9.8 pg/g0.022 Total/NA1600 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.13 Total/NA11.2 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.043 Total/NA10.29 J q 1613B

Eurofins Pittsburgh

Project/Site: RFP No. 22-0801, Houghtaling Island

Client Sample ID: #20220288 #3-0-35 (Continued) Lab Sample ID: 180-135938-7

☼2,3,4,7,8-PeCDF

RL

4.9 pg/g

EDL

0.037

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q B0.64 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.051 Total/NA11.1 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.052 Total/NA10.88 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.060 Total/NA10.28 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.10 Total/NA17.9 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.13 Total/NA10.39 J 1613B

☼OCDF 9.8 pg/g0.023 Total/NA117 B 1613B

Client Sample ID: #20220289 #3-0-25 Lab Sample ID: 180-135938-8

☼2,3,7,8-TCDD

RL

0.98 pg/g

EDL

0.049

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.21 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.035 Total/NA11.3 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.030 Total/NA15.5 B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.031 Total/NA13.8 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.19 Total/NA1150 1613B

☼OCDD 9.8 pg/g0.026 Total/NA1960 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.19 Total/NA11.7 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.049 Total/NA10.40 J q 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.041 Total/NA10.90 J B 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.092 Total/NA11.6 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.097 Total/NA11.1 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.10 Total/NA10.45 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.090 Total/NA113 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.11 Total/NA10.82 J 1613B

☼OCDF 9.8 pg/g0.10 Total/NA129 B 1613B

Client Sample ID: #20220290 #3-25-35 Lab Sample ID: 180-135938-9

☼1,2,3,4,7,8-HxCDD

RL

4.9 pg/g

EDL

0.043

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.13 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.042 Total/NA10.053 J B q 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.041 Total/NA10.086 J B q 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.075 Total/NA11.8 J 1613B

☼OCDD 9.7 pg/g0.035 Total/NA114 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.046 Total/NA10.088 J B 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.052 Total/NA10.26 J q 1613B

☼OCDF 9.7 pg/g0.037 Total/NA10.36 J B q 1613B

Client Sample ID: #20220291 #4-0-35 Lab Sample ID: 180-135938-10

☼2,3,7,8-TCDD

RL

0.98 pg/g

EDL

0.052

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.054 1613B

☼1,2,3,7,8-PeCDD 4.9 pg/g0.045 Total/NA10.29 J q B 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.021 Total/NA10.53 J q B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.022 Total/NA12.6 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.020 Total/NA11.4 J q B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.21 Total/NA158 1613B

☼OCDD 9.8 pg/g0.015 Total/NA1380 B F1 F2 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.066 Total/NA10.79 J B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.036 Total/NA10.27 J 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.033 Total/NA10.41 J B 1613B

Eurofins Pittsburgh

Project/Site: RFP No. 22-0801, Houghtaling Island

Client Sample ID: #20220291 #4-0-35 (Continued) Lab Sample ID: 180-135938-10

☼1,2,3,4,7,8-HxCDF

RL

4.9 pg/g

EDL

0.074

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.64 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.078 Total/NA10.44 J q 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.083 Total/NA10.14 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.044 Total/NA14.8 J 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.057 Total/NA10.32 J 1613B

☼OCDF 9.8 pg/g0.032 Total/NA112 B 1613B

Client Sample ID: #20220292 #4-0-25 Lab Sample ID: 180-135938-11

☼2,3,7,8-TCDD

RL

0.97 pg/g

EDL

0.047

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.19 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.053 Total/NA10.76 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.049 Total/NA12.7 J B q 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.049 Total/NA12.2 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.19 Total/NA177 1613B

☼OCDD 9.7 pg/g0.026 Total/NA1530 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.11 Total/NA11.5 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.037 Total/NA10.40 J 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.030 Total/NA10.73 J B 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.083 Total/NA10.81 J q 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.091 Total/NA10.83 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.091 Total/NA10.34 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.076 Total/NA18.6 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.085 Total/NA10.53 J 1613B

☼OCDF 9.7 pg/g0.030 Total/NA117 B 1613B

Client Sample ID: #20220293 #4-25-35 Lab Sample ID: 180-135938-12

☼1,2,3,7,8-PeCDD

RL

4.9 pg/g

EDL

0.032

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B q0.076 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.037 Total/NA10.18 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.035 Total/NA10.65 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.034 Total/NA10.31 J B q 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.16 Total/NA110 1613B

☼OCDD 9.7 pg/g0.018 Total/NA163 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.041 Total/NA10.12 J B q 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.079 Total/NA10.14 J q 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.084 Total/NA10.13 J I q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.045 Total/NA12.6 J q 1613B

☼OCDF 9.7 pg/g0.036 Total/NA12.6 J B 1613B

Eurofins Pittsburgh

Client Sample Results

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-1Client Sample ID: #20220282 #1-0-35 Matrix: SedimentDate Collected: 03/23/22 13:59

Percent Solids: 89.4Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.99 U 0.99 0.042 pg/g ☼ 05/25/22 09:23 06/20/22 19:13 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

5.0 0.027 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,7,8-PeCDD 0.12 J B

5.0 0.012 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,4,7,8-HxCDD 0.21 J q B

5.0 0.011 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,6,7,8-HxCDD 0.68 J B

5.0 0.011 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,7,8,9-HxCDD 0.61 J B

5.0 0.14 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,4,6,7,8-HpCDD 16

9.9 0.0026 pg/g 05/25/22 09:23 06/20/22 19:13 1☼OCDD 100 B

0.99 0.064 pg/g 05/25/22 09:23 06/20/22 19:13 1☼2,3,7,8-TCDF 0.70 J q B

5.0 0.021 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,7,8-PeCDF 0.14 J q

5.0 0.017 pg/g 05/25/22 09:23 06/20/22 19:13 1☼2,3,4,7,8-PeCDF 0.16 J B

5.0 0.055 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,4,7,8-HxCDF 0.30 J q

5.0 0.058 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,6,7,8-HxCDF 0.24 J q

5.0 0.057 pg/g 05/25/22 09:23 06/20/22 19:13 1☼2,3,4,6,7,8-HxCDF 5.0 U

5.0 0.072 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,7,8,9-HxCDF 5.0 U

5.0 0.047 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,4,6,7,8-HpCDF 2.4 J

5.0 0.051 pg/g 05/25/22 09:23 06/20/22 19:13 1☼1,2,3,4,7,8,9-HpCDF 0.11 J q

9.9 0.020 pg/g 05/25/22 09:23 06/20/22 19:13 1☼OCDF 3.2 J B

13C-2,3,7,8-TCDD 65 25 - 164 05/25/22 09:23 06/20/22 19:13 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 68 05/25/22 09:23 06/20/22 19:13 125 - 181

13C-1,2,3,4,7,8-HxCDD 55 05/25/22 09:23 06/20/22 19:13 132 - 141

13C-1,2,3,6,7,8-HxCDD 59 05/25/22 09:23 06/20/22 19:13 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 72 05/25/22 09:23 06/20/22 19:13 123 - 140

13C-OCDD 62 05/25/22 09:23 06/20/22 19:13 117 - 157

13C-2,3,7,8-TCDF 68 05/25/22 09:23 06/20/22 19:13 124 - 169

13C-1,2,3,7,8-PeCDF 69 05/25/22 09:23 06/20/22 19:13 124 - 185

13C-2,3,4,7,8-PeCDF 72 05/25/22 09:23 06/20/22 19:13 121 - 178

13C-1,2,3,4,7,8-HxCDF 66 05/25/22 09:23 06/20/22 19:13 126 - 152

13C-1,2,3,6,7,8-HxCDF 60 05/25/22 09:23 06/20/22 19:13 126 - 123

13C-2,3,4,6,7,8-HxCDF 66 05/25/22 09:23 06/20/22 19:13 128 - 136

13C-1,2,3,7,8,9-HxCDF 64 05/25/22 09:23 06/20/22 19:13 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 62 05/25/22 09:23 06/20/22 19:13 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 65 05/25/22 09:23 06/20/22 19:13 126 - 138

13C-OCDF 57 05/25/22 09:23 06/20/22 19:13 117 - 157

37Cl4-2,3,7,8-TCDD 75 35 - 197 05/25/22 09:23 06/20/22 19:13 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-2Client Sample ID: #20220283 #1-0-25 Matrix: SedimentDate Collected: 03/23/22 13:59

Percent Solids: 90.0Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.99 U 0.99 0.079 pg/g ☼ 05/25/22 09:23 06/20/22 17:13 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.20 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.036 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,4,7,8-HxCDD 0.48 J B

4.9 0.033 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,6,7,8-HxCDD 1.0 J q B

4.9 0.033 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,7,8,9-HxCDD 0.97 J B

4.9 0.30 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,4,6,7,8-HpCDD 29

9.9 0.049 pg/g 05/25/22 09:23 06/20/22 17:13 1☼OCDD 210 B

0.99 0.063 pg/g 05/25/22 09:23 06/22/22 05:29 1☼2,3,7,8-TCDF 0.88 J B

4.9 0.046 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,7,8-PeCDF 0.23 J q

4.9 0.041 pg/g 05/25/22 09:23 06/20/22 17:13 1☼2,3,4,7,8-PeCDF 0.40 J q B

4.9 0.087 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,4,7,8-HxCDF 0.66 J

4.9 0.093 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,6,7,8-HxCDF 0.45 J

4.9 0.086 pg/g 05/25/22 09:23 06/20/22 17:13 1☼2,3,4,6,7,8-HxCDF 4.9 U

4.9 0.11 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.090 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,4,6,7,8-HpCDF 4.3 J

4.9 0.11 pg/g 05/25/22 09:23 06/20/22 17:13 1☼1,2,3,4,7,8,9-HpCDF 0.35 J

9.9 0.081 pg/g 05/25/22 09:23 06/20/22 17:13 1☼OCDF 6.9 J B

13C-2,3,7,8-TCDD 63 25 - 164 05/25/22 09:23 06/20/22 17:13 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 70 05/25/22 09:23 06/20/22 17:13 125 - 181

13C-1,2,3,4,7,8-HxCDD 65 05/25/22 09:23 06/20/22 17:13 132 - 141

13C-1,2,3,6,7,8-HxCDD 70 05/25/22 09:23 06/20/22 17:13 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 73 05/25/22 09:23 06/20/22 17:13 123 - 140

13C-OCDD 70 05/25/22 09:23 06/20/22 17:13 117 - 157

13C-2,3,7,8-TCDF 66 05/25/22 09:23 06/20/22 17:13 124 - 169

13C-2,3,7,8-TCDF 62 05/25/22 09:23 06/22/22 05:29 124 - 169

13C-1,2,3,7,8-PeCDF 68 05/25/22 09:23 06/20/22 17:13 124 - 185

13C-2,3,4,7,8-PeCDF 69 05/25/22 09:23 06/20/22 17:13 121 - 178

13C-1,2,3,4,7,8-HxCDF 74 05/25/22 09:23 06/20/22 17:13 126 - 152

13C-1,2,3,6,7,8-HxCDF 65 05/25/22 09:23 06/20/22 17:13 126 - 123

13C-2,3,4,6,7,8-HxCDF 75 05/25/22 09:23 06/20/22 17:13 128 - 136

13C-1,2,3,7,8,9-HxCDF 67 05/25/22 09:23 06/20/22 17:13 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 71 05/25/22 09:23 06/20/22 17:13 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 65 05/25/22 09:23 06/20/22 17:13 126 - 138

13C-OCDF 60 05/25/22 09:23 06/20/22 17:13 117 - 157

37Cl4-2,3,7,8-TCDD 73 35 - 197 05/25/22 09:23 06/20/22 17:13 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-3Client Sample ID: #20220284 #1-25-35 Matrix: SedimentDate Collected: 03/23/22 13:59

Percent Solids: 90.9Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 1.0 U 1.0 0.054 pg/g ☼ 05/25/22 09:23 06/20/22 18:13 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

5.0 0.037 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,7,8-PeCDD 5.0 U

5.0 0.058 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,4,7,8-HxCDD 5.0 U

5.0 0.055 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,6,7,8-HxCDD 5.0 U

5.0 0.054 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,7,8,9-HxCDD 5.0 U

5.0 0.051 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,4,6,7,8-HpCDD 1.9 J

10 0.025 pg/g 05/25/22 09:23 06/20/22 18:13 1☼OCDD 14 B

1.0 0.049 pg/g 05/25/22 09:23 06/20/22 18:13 1☼2,3,7,8-TCDF 0.092 J q B

5.0 0.051 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,7,8-PeCDF 5.0 U

5.0 0.043 pg/g 05/25/22 09:23 06/20/22 18:13 1☼2,3,4,7,8-PeCDF 5.0 U

5.0 0.067 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,4,7,8-HxCDF 5.0 U

5.0 0.072 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,6,7,8-HxCDF 5.0 U

5.0 0.073 pg/g 05/25/22 09:23 06/20/22 18:13 1☼2,3,4,6,7,8-HxCDF 5.0 U

5.0 0.087 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,7,8,9-HxCDF 5.0 U

5.0 0.051 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,4,6,7,8-HpCDF 0.33 J

5.0 0.059 pg/g 05/25/22 09:23 06/20/22 18:13 1☼1,2,3,4,7,8,9-HpCDF 5.0 U

10 0.022 pg/g 05/25/22 09:23 06/20/22 18:13 1☼OCDF 0.38 J q B

13C-2,3,7,8-TCDD 62 25 - 164 05/25/22 09:23 06/20/22 18:13 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 70 05/25/22 09:23 06/20/22 18:13 125 - 181

13C-1,2,3,4,7,8-HxCDD 55 05/25/22 09:23 06/20/22 18:13 132 - 141

13C-1,2,3,6,7,8-HxCDD 59 05/25/22 09:23 06/20/22 18:13 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 69 05/25/22 09:23 06/20/22 18:13 123 - 140

13C-OCDD 62 05/25/22 09:23 06/20/22 18:13 117 - 157

13C-2,3,7,8-TCDF 65 05/25/22 09:23 06/20/22 18:13 124 - 169

13C-1,2,3,7,8-PeCDF 71 05/25/22 09:23 06/20/22 18:13 124 - 185

13C-2,3,4,7,8-PeCDF 72 05/25/22 09:23 06/20/22 18:13 121 - 178

13C-1,2,3,4,7,8-HxCDF 63 05/25/22 09:23 06/20/22 18:13 126 - 152

13C-1,2,3,6,7,8-HxCDF 57 05/25/22 09:23 06/20/22 18:13 126 - 123

13C-2,3,4,6,7,8-HxCDF 64 05/25/22 09:23 06/20/22 18:13 128 - 136

13C-1,2,3,7,8,9-HxCDF 61 05/25/22 09:23 06/20/22 18:13 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 60 05/25/22 09:23 06/20/22 18:13 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 60 05/25/22 09:23 06/20/22 18:13 126 - 138

13C-OCDF 58 05/25/22 09:23 06/20/22 18:13 117 - 157

37Cl4-2,3,7,8-TCDD 75 35 - 197 05/25/22 09:23 06/20/22 18:13 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-4Client Sample ID: #20220285 #2-0-35 Matrix: SedimentDate Collected: 03/23/22 12:21

Percent Solids: 91.5Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.97 U 0.97 0.043 pg/g ☼ 05/25/22 09:23 06/21/22 01:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.8 0.035 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,7,8-PeCDD 0.089 J B q

4.8 0.012 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,4,7,8-HxCDD 0.30 J B q

4.8 0.011 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,6,7,8-HxCDD 1.2 J B q

4.8 0.011 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,7,8,9-HxCDD 0.94 J B q

4.8 0.21 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,4,6,7,8-HpCDD 30

9.7 0.018 pg/g 05/25/22 09:23 06/21/22 01:55 1☼OCDD 210 B

0.97 0.043 pg/g 05/25/22 09:23 06/21/22 01:55 1☼2,3,7,8-TCDF 0.51 J B

4.8 0.023 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,7,8-PeCDF 0.14 J

4.8 0.020 pg/g 05/25/22 09:23 06/21/22 01:55 1☼2,3,4,7,8-PeCDF 0.28 J B

4.8 0.063 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,4,7,8-HxCDF 0.37 J q

4.8 0.063 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,6,7,8-HxCDF 0.29 J I q

4.8 0.064 pg/g 05/25/22 09:23 06/21/22 01:55 1☼2,3,4,6,7,8-HxCDF 4.8 U

4.8 0.080 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,7,8,9-HxCDF 4.8 U

4.8 0.058 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,4,6,7,8-HpCDF 5.6

4.8 0.073 pg/g 05/25/22 09:23 06/21/22 01:55 1☼1,2,3,4,7,8,9-HpCDF 0.16 J q

9.7 0.022 pg/g 05/25/22 09:23 06/21/22 01:55 1☼OCDF 16 B

13C-2,3,7,8-TCDD 66 25 - 164 05/25/22 09:23 06/21/22 01:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 67 05/25/22 09:23 06/21/22 01:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 60 05/25/22 09:23 06/21/22 01:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 65 05/25/22 09:23 06/21/22 01:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 68 05/25/22 09:23 06/21/22 01:55 123 - 140

13C-OCDD 62 05/25/22 09:23 06/21/22 01:55 117 - 157

13C-2,3,7,8-TCDF 71 05/25/22 09:23 06/21/22 01:55 124 - 169

13C-1,2,3,7,8-PeCDF 68 05/25/22 09:23 06/21/22 01:55 124 - 185

13C-2,3,4,7,8-PeCDF 68 05/25/22 09:23 06/21/22 01:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 68 05/25/22 09:23 06/21/22 01:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 66 05/25/22 09:23 06/21/22 01:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 69 05/25/22 09:23 06/21/22 01:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 66 05/25/22 09:23 06/21/22 01:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 66 05/25/22 09:23 06/21/22 01:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 63 05/25/22 09:23 06/21/22 01:55 126 - 138

13C-OCDF 57 05/25/22 09:23 06/21/22 01:55 117 - 157

37Cl4-2,3,7,8-TCDD 73 35 - 197 05/25/22 09:23 06/21/22 01:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-5Client Sample ID: #20220286 #2-0-25 Matrix: SedimentDate Collected: 03/23/22 12:21

Percent Solids: 91.4Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.95 U 0.95 0.054 pg/g ☼ 05/25/22 09:23 06/21/22 02:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.8 0.033 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,7,8-PeCDD 4.8 U

4.8 0.0074 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,4,7,8-HxCDD 0.45 J B q

4.8 0.0072 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,6,7,8-HxCDD 1.2 J B

4.8 0.0069 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,7,8,9-HxCDD 1.1 J B

4.8 0.23 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,4,6,7,8-HpCDD 33

9.5 0.028 pg/g 05/25/22 09:23 06/21/22 02:55 1☼OCDD 200 B

0.95 0.063 pg/g 05/25/22 09:23 06/21/22 02:55 1☼2,3,7,8-TCDF 0.74 J B

4.8 0.027 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,7,8-PeCDF 0.12 J

4.8 0.023 pg/g 05/25/22 09:23 06/21/22 02:55 1☼2,3,4,7,8-PeCDF 0.13 J B q

4.8 0.094 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,4,7,8-HxCDF 4.8 U

4.8 0.10 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,6,7,8-HxCDF 4.8 U

4.8 0.098 pg/g 05/25/22 09:23 06/21/22 02:55 1☼2,3,4,6,7,8-HxCDF 4.8 U

4.8 0.13 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,7,8,9-HxCDF 4.8 U

4.8 0.067 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,4,6,7,8-HpCDF 3.4 J q

4.8 0.082 pg/g 05/25/22 09:23 06/21/22 02:55 1☼1,2,3,4,7,8,9-HpCDF 0.22 J

9.5 0.0043 pg/g 05/25/22 09:23 06/21/22 02:55 1☼OCDF 6.5 J B

13C-2,3,7,8-TCDD 66 25 - 164 05/25/22 09:23 06/21/22 02:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 67 05/25/22 09:23 06/21/22 02:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 58 05/25/22 09:23 06/21/22 02:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 61 05/25/22 09:23 06/21/22 02:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 69 05/25/22 09:23 06/21/22 02:55 123 - 140

13C-OCDD 62 05/25/22 09:23 06/21/22 02:55 117 - 157

13C-2,3,7,8-TCDF 71 05/25/22 09:23 06/21/22 02:55 124 - 169

13C-1,2,3,7,8-PeCDF 69 05/25/22 09:23 06/21/22 02:55 124 - 185

13C-2,3,4,7,8-PeCDF 72 05/25/22 09:23 06/21/22 02:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 69 05/25/22 09:23 06/21/22 02:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 64 05/25/22 09:23 06/21/22 02:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 69 05/25/22 09:23 06/21/22 02:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 66 05/25/22 09:23 06/21/22 02:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 68 05/25/22 09:23 06/21/22 02:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 62 05/25/22 09:23 06/21/22 02:55 126 - 138

13C-OCDF 56 05/25/22 09:23 06/21/22 02:55 117 - 157

37Cl4-2,3,7,8-TCDD 79 35 - 197 05/25/22 09:23 06/21/22 02:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-6Client Sample ID: #20220287 #2-25-35 Matrix: SedimentDate Collected: 03/23/22 12:21

Percent Solids: 92.2Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.95 U 0.95 0.033 pg/g ☼ 05/25/22 09:23 06/21/22 03:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.8 0.021 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,7,8-PeCDD 0.14 J B q

4.8 0.0098 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,4,7,8-HxCDD 0.24 J B

4.8 0.0096 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,6,7,8-HxCDD 1.4 J B

4.8 0.0092 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,7,8,9-HxCDD 0.94 J B

4.8 0.12 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,4,6,7,8-HpCDD 25

9.5 0.011 pg/g 05/25/22 09:23 06/21/22 03:55 1☼OCDD 160 B

0.95 0.043 pg/g 05/25/22 09:23 06/21/22 03:55 1☼2,3,7,8-TCDF 0.46 J B

4.8 0.019 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,7,8-PeCDF 0.086 J q

4.8 0.016 pg/g 05/25/22 09:23 06/21/22 03:55 1☼2,3,4,7,8-PeCDF 0.19 J B

4.8 0.050 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,4,7,8-HxCDF 0.47 J q

4.8 0.053 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,6,7,8-HxCDF 0.61 J I

4.8 0.055 pg/g 05/25/22 09:23 06/21/22 03:55 1☼2,3,4,6,7,8-HxCDF 0.20 J

4.8 0.066 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,7,8,9-HxCDF 4.8 U

4.8 0.044 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,4,6,7,8-HpCDF 10

4.8 0.053 pg/g 05/25/22 09:23 06/21/22 03:55 1☼1,2,3,4,7,8,9-HpCDF 0.30 J

9.5 0.014 pg/g 05/25/22 09:23 06/21/22 03:55 1☼OCDF 9.0 J B

13C-2,3,7,8-TCDD 62 25 - 164 05/25/22 09:23 06/21/22 03:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 65 05/25/22 09:23 06/21/22 03:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 57 05/25/22 09:23 06/21/22 03:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 64 05/25/22 09:23 06/21/22 03:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 69 05/25/22 09:23 06/21/22 03:55 123 - 140

13C-OCDD 62 05/25/22 09:23 06/21/22 03:55 117 - 157

13C-2,3,7,8-TCDF 67 05/25/22 09:23 06/21/22 03:55 124 - 169

13C-1,2,3,7,8-PeCDF 66 05/25/22 09:23 06/21/22 03:55 124 - 185

13C-2,3,4,7,8-PeCDF 69 05/25/22 09:23 06/21/22 03:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 69 05/25/22 09:23 06/21/22 03:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 65 05/25/22 09:23 06/21/22 03:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 69 05/25/22 09:23 06/21/22 03:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 65 05/25/22 09:23 06/21/22 03:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 65 05/25/22 09:23 06/21/22 03:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 61 05/25/22 09:23 06/21/22 03:55 126 - 138

13C-OCDF 60 05/25/22 09:23 06/21/22 03:55 117 - 157

37Cl4-2,3,7,8-TCDD 70 35 - 197 05/25/22 09:23 06/21/22 03:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-7Client Sample ID: #20220288 #3-0-35 Matrix: SedimentDate Collected: 03/23/22 10:55

Percent Solids: 87.1Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.17 J 0.98 0.060 pg/g ☼ 05/25/22 09:23 06/21/22 04:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.53 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.042 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,4,7,8-HxCDD 0.65 J q B

4.9 0.041 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,6,7,8-HxCDD 3.2 J B

4.9 0.040 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,7,8,9-HxCDD 2.3 J B

4.9 0.19 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,4,6,7,8-HpCDD 92

9.8 0.022 pg/g 05/25/22 09:23 06/21/22 04:55 1☼OCDD 600 B

0.98 0.13 pg/g 05/25/22 09:23 06/22/22 05:58 1☼2,3,7,8-TCDF 1.2 B

4.9 0.043 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,7,8-PeCDF 0.29 J q

4.9 0.037 pg/g 05/25/22 09:23 06/21/22 04:55 1☼2,3,4,7,8-PeCDF 0.64 J q B

4.9 0.051 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,4,7,8-HxCDF 1.1 J

4.9 0.052 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,6,7,8-HxCDF 0.88 J I

4.9 0.060 pg/g 05/25/22 09:23 06/21/22 04:55 1☼2,3,4,6,7,8-HxCDF 0.28 J q

4.9 0.070 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.10 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,4,6,7,8-HpCDF 7.9

4.9 0.13 pg/g 05/25/22 09:23 06/21/22 04:55 1☼1,2,3,4,7,8,9-HpCDF 0.39 J

9.8 0.023 pg/g 05/25/22 09:23 06/21/22 04:55 1☼OCDF 17 B

13C-2,3,7,8-TCDD 61 25 - 164 05/25/22 09:23 06/21/22 04:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 58 05/25/22 09:23 06/21/22 04:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 59 05/25/22 09:23 06/21/22 04:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 64 05/25/22 09:23 06/21/22 04:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 66 05/25/22 09:23 06/21/22 04:55 123 - 140

13C-OCDD 61 05/25/22 09:23 06/21/22 04:55 117 - 157

13C-2,3,7,8-TCDF 66 05/25/22 09:23 06/21/22 04:55 124 - 169

13C-2,3,7,8-TCDF 61 05/25/22 09:23 06/22/22 05:58 124 - 169

13C-1,2,3,7,8-PeCDF 62 05/25/22 09:23 06/21/22 04:55 124 - 185

13C-2,3,4,7,8-PeCDF 63 05/25/22 09:23 06/21/22 04:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 68 05/25/22 09:23 06/21/22 04:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 65 05/25/22 09:23 06/21/22 04:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 67 05/25/22 09:23 06/21/22 04:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 64 05/25/22 09:23 06/21/22 04:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 65 05/25/22 09:23 06/21/22 04:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 61 05/25/22 09:23 06/21/22 04:55 126 - 138

13C-OCDF 57 05/25/22 09:23 06/21/22 04:55 117 - 157

37Cl4-2,3,7,8-TCDD 68 35 - 197 05/25/22 09:23 06/21/22 04:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-8Client Sample ID: #20220289 #3-0-25 Matrix: SedimentDate Collected: 03/23/22 10:55

Percent Solids: 84.5Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.21 J q 0.98 0.049 pg/g ☼ 05/25/22 09:23 06/21/22 05:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.64 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.035 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,4,7,8-HxCDD 1.3 J B

4.9 0.030 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,6,7,8-HxCDD 5.5 B

4.9 0.031 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,7,8,9-HxCDD 3.8 J B

4.9 0.19 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,4,6,7,8-HpCDD 150

9.8 0.026 pg/g 05/25/22 09:23 06/21/22 05:55 1☼OCDD 960 B

0.98 0.19 pg/g 05/25/22 09:23 06/22/22 06:27 1☼2,3,7,8-TCDF 1.7 B

4.9 0.049 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,7,8-PeCDF 0.40 J q

4.9 0.041 pg/g 05/25/22 09:23 06/21/22 05:55 1☼2,3,4,7,8-PeCDF 0.90 J B

4.9 0.092 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,4,7,8-HxCDF 1.6 J

4.9 0.097 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,6,7,8-HxCDF 1.1 J I

4.9 0.10 pg/g 05/25/22 09:23 06/21/22 05:55 1☼2,3,4,6,7,8-HxCDF 0.45 J

4.9 0.13 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.090 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,4,6,7,8-HpCDF 13

4.9 0.11 pg/g 05/25/22 09:23 06/21/22 05:55 1☼1,2,3,4,7,8,9-HpCDF 0.82 J

9.8 0.10 pg/g 05/25/22 09:23 06/21/22 05:55 1☼OCDF 29 B

13C-2,3,7,8-TCDD 62 25 - 164 05/25/22 09:23 06/21/22 05:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 59 05/25/22 09:23 06/21/22 05:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 61 05/25/22 09:23 06/21/22 05:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 69 05/25/22 09:23 06/21/22 05:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 70 05/25/22 09:23 06/21/22 05:55 123 - 140

13C-OCDD 67 05/25/22 09:23 06/21/22 05:55 117 - 157

13C-2,3,7,8-TCDF 67 05/25/22 09:23 06/21/22 05:55 124 - 169

13C-2,3,7,8-TCDF 62 05/25/22 09:23 06/22/22 06:27 124 - 169

13C-1,2,3,7,8-PeCDF 61 05/25/22 09:23 06/21/22 05:55 124 - 185

13C-2,3,4,7,8-PeCDF 66 05/25/22 09:23 06/21/22 05:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 74 05/25/22 09:23 06/21/22 05:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 69 05/25/22 09:23 06/21/22 05:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 70 05/25/22 09:23 06/21/22 05:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 67 05/25/22 09:23 06/21/22 05:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 69 05/25/22 09:23 06/21/22 05:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 65 05/25/22 09:23 06/21/22 05:55 126 - 138

13C-OCDF 63 05/25/22 09:23 06/21/22 05:55 117 - 157

37Cl4-2,3,7,8-TCDD 67 35 - 197 05/25/22 09:23 06/21/22 05:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-9Client Sample ID: #20220290 #3-25-35 Matrix: SedimentDate Collected: 03/23/22 10:55

Percent Solids: 94.3Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.97 U 0.97 0.038 pg/g ☼ 05/25/22 09:23 06/21/22 06:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.025 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.043 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,4,7,8-HxCDD 0.13 J B

4.9 0.042 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,6,7,8-HxCDD 0.053 J B q

4.9 0.041 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,7,8,9-HxCDD 0.086 J B q

4.9 0.075 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,4,6,7,8-HpCDD 1.8 J

9.7 0.035 pg/g 05/25/22 09:23 06/21/22 06:55 1☼OCDD 14 B

0.97 0.046 pg/g 05/25/22 09:23 06/21/22 06:55 1☼2,3,7,8-TCDF 0.088 J B

4.9 0.070 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,7,8-PeCDF 4.9 U

4.9 0.062 pg/g 05/25/22 09:23 06/21/22 06:55 1☼2,3,4,7,8-PeCDF 4.9 U

4.9 0.060 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,4,7,8-HxCDF 4.9 U

4.9 0.062 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,6,7,8-HxCDF 4.9 U

4.9 0.065 pg/g 05/25/22 09:23 06/21/22 06:55 1☼2,3,4,6,7,8-HxCDF 4.9 U

4.9 0.077 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.052 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,4,6,7,8-HpCDF 0.26 J q

4.9 0.064 pg/g 05/25/22 09:23 06/21/22 06:55 1☼1,2,3,4,7,8,9-HpCDF 4.9 U

9.7 0.037 pg/g 05/25/22 09:23 06/21/22 06:55 1☼OCDF 0.36 J B q

13C-2,3,7,8-TCDD 63 25 - 164 05/25/22 09:23 06/21/22 06:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 65 05/25/22 09:23 06/21/22 06:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 61 05/25/22 09:23 06/21/22 06:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 64 05/25/22 09:23 06/21/22 06:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 71 05/25/22 09:23 06/21/22 06:55 123 - 140

13C-OCDD 63 05/25/22 09:23 06/21/22 06:55 117 - 157

13C-2,3,7,8-TCDF 70 05/25/22 09:23 06/21/22 06:55 124 - 169

13C-1,2,3,7,8-PeCDF 70 05/25/22 09:23 06/21/22 06:55 124 - 185

13C-2,3,4,7,8-PeCDF 72 05/25/22 09:23 06/21/22 06:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 71 05/25/22 09:23 06/21/22 06:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 64 05/25/22 09:23 06/21/22 06:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 70 05/25/22 09:23 06/21/22 06:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 68 05/25/22 09:23 06/21/22 06:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 71 05/25/22 09:23 06/21/22 06:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 67 05/25/22 09:23 06/21/22 06:55 126 - 138

13C-OCDF 64 05/25/22 09:23 06/21/22 06:55 117 - 157

37Cl4-2,3,7,8-TCDD 72 35 - 197 05/25/22 09:23 06/21/22 06:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-10Client Sample ID: #20220291 #4-0-35 Matrix: SedimentDate Collected: 03/23/22 09:30

Percent Solids: 88.0Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.054 J q 0.98 0.052 pg/g ☼ 05/25/22 09:23 06/21/22 17:34 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.045 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,7,8-PeCDD 0.29 J q B

4.9 0.021 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,4,7,8-HxCDD 0.53 J q B

4.9 0.022 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,6,7,8-HxCDD 2.6 J B

4.9 0.020 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,7,8,9-HxCDD 1.4 J q B

4.9 0.21 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,4,6,7,8-HpCDD 58

9.8 0.015 pg/g 05/25/22 09:23 06/21/22 17:34 1☼OCDD 380 B F1 F2

0.98 0.066 pg/g 05/25/22 09:23 06/22/22 07:26 1☼2,3,7,8-TCDF 0.79 J B

4.9 0.036 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,7,8-PeCDF 0.27 J

4.9 0.033 pg/g 05/25/22 09:23 06/21/22 17:34 1☼2,3,4,7,8-PeCDF 0.41 J B

4.9 0.074 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,4,7,8-HxCDF 0.64 J q

4.9 0.078 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,6,7,8-HxCDF 0.44 J q

4.9 0.083 pg/g 05/25/22 09:23 06/21/22 17:34 1☼2,3,4,6,7,8-HxCDF 0.14 J q

4.9 0.094 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.044 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,4,6,7,8-HpCDF 4.8 J

4.9 0.057 pg/g 05/25/22 09:23 06/21/22 17:34 1☼1,2,3,4,7,8,9-HpCDF 0.32 J

9.8 0.032 pg/g 05/25/22 09:23 06/21/22 17:34 1☼OCDF 12 B

13C-2,3,7,8-TCDD 62 25 - 164 05/25/22 09:23 06/21/22 17:34 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 59 05/25/22 09:23 06/21/22 17:34 125 - 181

13C-1,2,3,4,7,8-HxCDD 59 05/25/22 09:23 06/21/22 17:34 132 - 141

13C-1,2,3,6,7,8-HxCDD 63 05/25/22 09:23 06/21/22 17:34 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 68 05/25/22 09:23 06/21/22 17:34 123 - 140

13C-OCDD 57 05/25/22 09:23 06/21/22 17:34 117 - 157

13C-2,3,7,8-TCDF 71 05/25/22 09:23 06/21/22 17:34 124 - 169

13C-2,3,7,8-TCDF 60 05/25/22 09:23 06/22/22 07:26 124 - 169

13C-1,2,3,7,8-PeCDF 63 05/25/22 09:23 06/21/22 17:34 124 - 185

13C-2,3,4,7,8-PeCDF 64 05/25/22 09:23 06/21/22 17:34 121 - 178

13C-1,2,3,4,7,8-HxCDF 69 05/25/22 09:23 06/21/22 17:34 126 - 152

13C-1,2,3,6,7,8-HxCDF 62 05/25/22 09:23 06/21/22 17:34 126 - 123

13C-2,3,4,6,7,8-HxCDF 67 05/25/22 09:23 06/21/22 17:34 128 - 136

13C-1,2,3,7,8,9-HxCDF 67 05/25/22 09:23 06/21/22 17:34 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 69 05/25/22 09:23 06/21/22 17:34 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 63 05/25/22 09:23 06/21/22 17:34 126 - 138

13C-OCDF 56 05/25/22 09:23 06/21/22 17:34 117 - 157

37Cl4-2,3,7,8-TCDD 69 35 - 197 05/25/22 09:23 06/21/22 17:34 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-11Client Sample ID: #20220292 #4-0-25 Matrix: SedimentDate Collected: 03/23/22 09:50

Percent Solids: 87.6Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.19 J 0.97 0.047 pg/g ☼ 05/25/22 09:23 06/21/22 07:55 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.42 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.053 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,4,7,8-HxCDD 0.76 J B

4.9 0.049 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,6,7,8-HxCDD 2.7 J B q

4.9 0.049 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,7,8,9-HxCDD 2.2 J B

4.9 0.19 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,4,6,7,8-HpCDD 77

9.7 0.026 pg/g 05/25/22 09:23 06/21/22 07:55 1☼OCDD 530 B

0.97 0.11 pg/g 05/25/22 09:23 06/22/22 06:57 1☼2,3,7,8-TCDF 1.5 B

4.9 0.037 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,7,8-PeCDF 0.40 J

4.9 0.030 pg/g 05/25/22 09:23 06/21/22 07:55 1☼2,3,4,7,8-PeCDF 0.73 J B

4.9 0.083 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,4,7,8-HxCDF 0.81 J q

4.9 0.091 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,6,7,8-HxCDF 0.83 J I

4.9 0.091 pg/g 05/25/22 09:23 06/21/22 07:55 1☼2,3,4,6,7,8-HxCDF 0.34 J

4.9 0.11 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.076 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,4,6,7,8-HpCDF 8.6

4.9 0.085 pg/g 05/25/22 09:23 06/21/22 07:55 1☼1,2,3,4,7,8,9-HpCDF 0.53 J

9.7 0.030 pg/g 05/25/22 09:23 06/21/22 07:55 1☼OCDF 17 B

13C-2,3,7,8-TCDD 72 25 - 164 05/25/22 09:23 06/21/22 07:55 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 64 05/25/22 09:23 06/21/22 07:55 125 - 181

13C-1,2,3,4,7,8-HxCDD 67 05/25/22 09:23 06/21/22 07:55 132 - 141

13C-1,2,3,6,7,8-HxCDD 71 05/25/22 09:23 06/21/22 07:55 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 74 05/25/22 09:23 06/21/22 07:55 123 - 140

13C-OCDD 71 05/25/22 09:23 06/21/22 07:55 117 - 157

13C-2,3,7,8-TCDF 74 05/25/22 09:23 06/21/22 07:55 124 - 169

13C-2,3,7,8-TCDF 68 05/25/22 09:23 06/22/22 06:57 124 - 169

13C-1,2,3,7,8-PeCDF 70 05/25/22 09:23 06/21/22 07:55 124 - 185

13C-2,3,4,7,8-PeCDF 74 05/25/22 09:23 06/21/22 07:55 121 - 178

13C-1,2,3,4,7,8-HxCDF 82 05/25/22 09:23 06/21/22 07:55 126 - 152

13C-1,2,3,6,7,8-HxCDF 74 05/25/22 09:23 06/21/22 07:55 126 - 123

13C-2,3,4,6,7,8-HxCDF 78 05/25/22 09:23 06/21/22 07:55 128 - 136

13C-1,2,3,7,8,9-HxCDF 75 05/25/22 09:23 06/21/22 07:55 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 75 05/25/22 09:23 06/21/22 07:55 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 73 05/25/22 09:23 06/21/22 07:55 126 - 138

13C-OCDF 68 05/25/22 09:23 06/21/22 07:55 117 - 157

37Cl4-2,3,7,8-TCDD 83 35 - 197 05/25/22 09:23 06/21/22 07:55 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS)

Lab Sample ID: 180-135938-12Client Sample ID: #20220293 #4-25-35 Matrix: SedimentDate Collected: 03/23/22 09:50

Percent Solids: 93.3Date Received: 03/30/22 09:00

RL EDL

2,3,7,8-TCDD 0.97 U 0.97 0.046 pg/g ☼ 05/25/22 09:23 06/21/22 08:54 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.032 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,7,8-PeCDD 0.076 J B q

4.9 0.037 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,4,7,8-HxCDD 0.18 J B

4.9 0.035 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,6,7,8-HxCDD 0.65 J B

4.9 0.034 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,7,8,9-HxCDD 0.31 J B q

4.9 0.16 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,4,6,7,8-HpCDD 10

9.7 0.018 pg/g 05/25/22 09:23 06/21/22 08:54 1☼OCDD 63 B

0.97 0.041 pg/g 05/25/22 09:23 06/21/22 08:54 1☼2,3,7,8-TCDF 0.12 J B q

4.9 0.025 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,7,8-PeCDF 4.9 U

4.9 0.024 pg/g 05/25/22 09:23 06/21/22 08:54 1☼2,3,4,7,8-PeCDF 4.9 U

4.9 0.079 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,4,7,8-HxCDF 0.14 J q

4.9 0.084 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,6,7,8-HxCDF 0.13 J I q

4.9 0.089 pg/g 05/25/22 09:23 06/21/22 08:54 1☼2,3,4,6,7,8-HxCDF 4.9 U

4.9 0.10 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.045 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,4,6,7,8-HpCDF 2.6 J q

4.9 0.055 pg/g 05/25/22 09:23 06/21/22 08:54 1☼1,2,3,4,7,8,9-HpCDF 4.9 U

9.7 0.036 pg/g 05/25/22 09:23 06/21/22 08:54 1☼OCDF 2.6 J B

13C-2,3,7,8-TCDD 67 25 - 164 05/25/22 09:23 06/21/22 08:54 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 69 05/25/22 09:23 06/21/22 08:54 125 - 181

13C-1,2,3,4,7,8-HxCDD 60 05/25/22 09:23 06/21/22 08:54 132 - 141

13C-1,2,3,6,7,8-HxCDD 66 05/25/22 09:23 06/21/22 08:54 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 73 05/25/22 09:23 06/21/22 08:54 123 - 140

13C-OCDD 64 05/25/22 09:23 06/21/22 08:54 117 - 157

13C-2,3,7,8-TCDF 73 05/25/22 09:23 06/21/22 08:54 124 - 169

13C-1,2,3,7,8-PeCDF 72 05/25/22 09:23 06/21/22 08:54 124 - 185

13C-2,3,4,7,8-PeCDF 72 05/25/22 09:23 06/21/22 08:54 121 - 178

13C-1,2,3,4,7,8-HxCDF 76 05/25/22 09:23 06/21/22 08:54 126 - 152

13C-1,2,3,6,7,8-HxCDF 68 05/25/22 09:23 06/21/22 08:54 126 - 123

13C-2,3,4,6,7,8-HxCDF 75 05/25/22 09:23 06/21/22 08:54 128 - 136

13C-1,2,3,7,8,9-HxCDF 73 05/25/22 09:23 06/21/22 08:54 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 73 05/25/22 09:23 06/21/22 08:54 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 71 05/25/22 09:23 06/21/22 08:54 126 - 138

13C-OCDF 64 05/25/22 09:23 06/21/22 08:54 117 - 157

37Cl4-2,3,7,8-TCDD 75 35 - 197 05/25/22 09:23 06/21/22 08:54 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

Default Detection Limits Client: Battelle Job ID: 180-135938-2 Project/Site: RFP No. 22-0801, Houghtaling Island

Method: 1613B - Dioxins and Furans (HRGC/HRMS) Prep: HRMS-Sox

5.01,2,3,4,6,7,8-HpCDD pg/g

Analyte UnitsRL

5.01,2,3,4,6,7,8-HpCDF pg/g

5.01,2,3,4,7,8,9-HpCDF pg/g

5.01,2,3,4,7,8-HxCDD pg/g

5.01,2,3,4,7,8-HxCDF pg/g

5.01,2,3,6,7,8-HxCDD pg/g

5.01,2,3,6,7,8-HxCDF pg/g

5.01,2,3,7,8,9-HxCDD pg/g

5.01,2…

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