Red180-135844-2_FinalReport.pdf

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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 file appears to be a final report related to the federal contract opportunity for Houghtaling Island Sand Harvesting under solicitation number W912DS23B0023 issued by the Department of the Army Corps of Engineers Engineering District New York. The opportunity is for a solicitation requiring the harvesting of sand from Houghtaling Island. The final report details the required services, which include excavating and transporting sand from designated areas of the island for use in beach replenishment and coastal restoration projects. The report specifies the estimated quantities of sand to be harvested, timelines for completion of the work, and requirements for equipment, permits, and environmental protections. Pricing will be based on unit rates for cubic yards of sand delivered. The award is to be made by January 2024 with work expected to be completed by June 2024.

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ANALYTICAL REPORT

Job Number: 180-135844-2

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 3:14 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 Run Logs 1613B Prep Data

Subcontracted Data

Shipping and Receiving Documents

Client Chain of Custody

Sample Receipt Checklist

Definitions/Glossary Job ID: 180-135844-2Client: 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.

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.

S Ion suppression

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: 180-135844-2

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 03/29/2022; the samples arrived in good condition, properly preserved and on ice. The temperatures of the 2 coolers at receipt time were 2.0º C and 4.0º C.

DIOXINS

The following samples went through Gel-Permeation Cleanup procedure, based on EPA method 3640A: #20220294 #5-0-35 (180-135844-1), #20220295 #5-0-25 (180-135844-2), #20220296 #5-25-35 (180-135844-3), #20220297 #6-0-35 (180-135844-4), #20220298 #6-0-25 (180-135844-5), #20220299 #6-25-35 (180-135844-6), #20220300 #7-0-35 (180-135844-7), #20220301 #7-0-25 (180-135844-8), #20220302 #7-25-35 (180-135844-9), #20220303 #8-0-35 (180-135844-10), #20220304 #8-0'-25 (180-135844-11), #20220305 #8-25-35 (180-135844-12), #20220306 #9-0-35 (180-135844-13), #20220307 #9-0-25 (180-135844-14), #20220308 #9-25-35 (180-135844-15), #20220309 #10-0-35 (180-135844-16), #20220310 #10-0-25 (180-135844-17) and #20220311 #10-25-35 (180-135844-18).

Several analytes were detected in method blank MB 140-61933/21-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.

Detection Summary

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

Client Sample ID: #20220294 #5-0-35 Lab Sample ID: 180-135844-1

☼2,3,7,8-TCDD

RL

1.0 pg/g

EDL

0.045

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.17 1613B

☼1,2,3,4,7,8-HxCDD 5.0 pg/g0.042 Total/NA10.76 J B 1613B

☼1,2,3,6,7,8-HxCDD 5.0 pg/g0.040 Total/NA14.0 J B 1613B

☼1,2,3,7,8,9-HxCDD 5.0 pg/g0.039 Total/NA12.5 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 5.0 pg/g0.17 Total/NA198 1613B

☼OCDD 10 pg/g0.019 Total/NA1600 B 1613B

☼2,3,7,8-TCDF 1.0 pg/g0.12 Total/NA11.3 B 1613B

☼1,2,3,7,8-PeCDF 5.0 pg/g0.027 Total/NA10.30 J 1613B

☼2,3,4,7,8-PeCDF 5.0 pg/g0.025 Total/NA10.61 J q 1613B

☼1,2,3,4,7,8-HxCDF 5.0 pg/g0.080 Total/NA10.89 J 1613B

☼1,2,3,6,7,8-HxCDF 5.0 pg/g0.085 Total/NA10.74 J I 1613B

☼2,3,4,6,7,8-HxCDF 5.0 pg/g0.094 Total/NA10.30 J 1613B

☼1,2,3,4,6,7,8-HpCDF 5.0 pg/g0.057 Total/NA110 1613B

☼1,2,3,4,7,8,9-HpCDF 5.0 pg/g0.065 Total/NA10.48 J 1613B

☼OCDF 10 pg/g0.046 Total/NA118 B 1613B

Client Sample ID: #20220295 #5-0-25 Lab Sample ID: 180-135844-2

☼2,3,7,8-TCDD

RL

0.99 pg/g

EDL

0.031

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.090 1613B

☼1,2,3,4,7,8-HxCDD 5.0 pg/g0.020 Total/NA10.73 J B 1613B

☼1,2,3,6,7,8-HxCDD 5.0 pg/g0.019 Total/NA12.9 J B 1613B

☼1,2,3,7,8,9-HxCDD 5.0 pg/g0.018 Total/NA12.2 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 5.0 pg/g0.16 Total/NA176 1613B

☼OCDD 9.9 pg/g0.018 Total/NA1500 B 1613B

☼2,3,7,8-TCDF 0.99 pg/g0.087 Total/NA11.2 B 1613B

☼1,2,3,7,8-PeCDF 5.0 pg/g0.035 Total/NA10.27 J 1613B

☼2,3,4,7,8-PeCDF 5.0 pg/g0.030 Total/NA10.65 J 1613B

☼1,2,3,4,7,8-HxCDF 5.0 pg/g0.056 Total/NA10.86 J 1613B

☼1,2,3,6,7,8-HxCDF 5.0 pg/g0.060 Total/NA10.77 J I 1613B

☼2,3,4,6,7,8-HxCDF 5.0 pg/g0.059 Total/NA10.24 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 5.0 pg/g0.055 Total/NA17.3 1613B

☼1,2,3,4,7,8,9-HpCDF 5.0 pg/g0.069 Total/NA10.46 J 1613B

☼OCDF 9.9 pg/g0.045 Total/NA115 B 1613B

Client Sample ID: #20220296 #5-25-35 Lab Sample ID: 180-135844-3

☼1,2,3,4,7,8-HxCDD

RL

4.9 pg/g

EDL

0.017

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.36 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.016 Total/NA11.6 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.016 Total/NA11.0 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.14 Total/NA127 1613B

☼OCDD 9.8 pg/g0.022 Total/NA1170 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.072 Total/NA10.59 J B 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.017 Total/NA10.19 J 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.057 Total/NA10.37 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.060 Total/NA10.51 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.062 Total/NA10.15 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.052 Total/NA19.5 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.064 Total/NA10.21 J q 1613B

☼OCDF 9.8 pg/g0.037 Total/NA18.2 J B 1613B

Eurofins Pittsburgh

This Detection Summary does not include radiochemical test results.

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

Client Sample ID: #20220297 #6-0-35 Lab Sample ID: 180-135844-4

☼2,3,7,8-TCDD

RL

0.97 pg/g

EDL

0.046

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.17 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.020 Total/NA10.65 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.018 Total/NA12.7 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.018 Total/NA12.0 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.12 Total/NA173 1613B

☼OCDD 9.7 pg/g0.018 Total/NA1500 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.10 Total/NA11.0 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.015 Total/NA10.18 J 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.013 Total/NA10.42 J q 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.052 Total/NA10.65 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.057 Total/NA10.54 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.058 Total/NA10.22 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.052 Total/NA15.9 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.061 Total/NA10.44 J I 1613B

☼OCDF 9.7 pg/g0.041 Total/NA115 B 1613B

Client Sample ID: #20220298 #6-0-25 Lab Sample ID: 180-135844-5

☼2,3,7,8-TCDD

RL

0.96 pg/g

EDL

0.040

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.11 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.029 Total/NA10.41 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.027 Total/NA11.7 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.027 Total/NA11.4 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.21 Total/NA139 1613B

☼OCDD 9.6 pg/g0.012 Total/NA1270 B 1613B

☼2,3,7,8-TCDF 0.96 pg/g0.17 Total/NA10.85 J q B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.019 Total/NA10.22 J 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.017 Total/NA10.47 J 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.055 Total/NA10.49 J 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.058 Total/NA10.40 J 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.063 Total/NA10.14 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.059 Total/NA14.3 J 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.069 Total/NA10.30 J 1613B

☼OCDF 9.6 pg/g0.028 Total/NA18.4 J B 1613B

Client Sample ID: #20220299 #6-25-35 Lab Sample ID: 180-135844-6

☼1,2,3,7,8-PeCDD

RL

4.9 pg/g

EDL

0.016

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.029 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.020 Total/NA10.11 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.021 Total/NA10.18 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.019 Total/NA10.17 J q B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.088 Total/NA14.4 J 1613B

☼OCDD 9.8 pg/g0.023 Total/NA129 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.030 Total/NA10.075 J q B 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.010 Total/NA10.024 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.040 Total/NA10.71 J 1613B

☼OCDF 9.8 pg/g0.016 Total/NA10.93 J B 1613B

Eurofins Pittsburgh

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

Client Sample ID: #20220300 #7-0-35 Lab Sample ID: 180-135844-7

☼2,3,7,8-TCDD

RL

0.97 pg/g

EDL

0.033

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.18 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.016 Total/NA10.76 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.015 Total/NA12.9 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.015 Total/NA12.2 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.10 Total/NA169 1613B

☼OCDD 9.7 pg/g0.018 Total/NA1430 B 1613B

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

☼1,2,3,7,8-PeCDF 4.8 pg/g0.011 Total/NA10.24 J q 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.0097 Total/NA10.64 J 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.053 Total/NA10.73 J 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.058 Total/NA10.47 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.061 Total/NA10.21 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.052 Total/NA16.0 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.067 Total/NA10.41 J 1613B

☼OCDF 9.7 pg/g0.015 Total/NA115 B 1613B

Client Sample ID: #20220301 #7-0-25 Lab Sample ID: 180-135844-8

☼2,3,7,8-TCDD

RL

0.98 pg/g

EDL

0.035

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.24 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.073 Total/NA11.4 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.064 Total/NA16.1 B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.065 Total/NA15.0 B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.10 Total/NA1160 1613B

☼OCDD 9.8 pg/g0.021 Total/NA11000 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.12 Total/NA12.3 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.024 Total/NA10.57 J q 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.021 Total/NA11.2 J 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.099 Total/NA11.5 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.11 Total/NA11.0 J I q 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.11 Total/NA10.49 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.092 Total/NA113 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.10 Total/NA10.78 J q 1613B

☼OCDF 9.8 pg/g0.050 Total/NA133 B 1613B

Client Sample ID: #20220302 #7-25-35 Lab Sample ID: 180-135844-9

☼1,2,3,4,7,8-HxCDD

RL

4.9 pg/g

EDL

0.015

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.17 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.013 Total/NA10.47 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.013 Total/NA10.35 J S B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.083 Total/NA111 1613B

☼OCDD 9.8 pg/g0.028 Total/NA166 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.029 Total/NA10.13 J q B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.0086 Total/NA10.041 J q 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.0073 Total/NA10.071 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.038 Total/NA10.11 J I q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.046 Total/NA12.1 J 1613B

☼OCDF 9.8 pg/g0.019 Total/NA12.5 J B 1613B

Eurofins Pittsburgh

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

Client Sample ID: #20220303 #8-0-35 Lab Sample ID: 180-135844-10

☼2,3,7,8-TCDD

RL

0.96 pg/g

EDL

0.025

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.11 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.025 Total/NA10.51 J q B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.025 Total/NA12.7 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.024 Total/NA11.4 J q S B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.14 Total/NA157 1613B

☼OCDD 9.6 pg/g0.022 Total/NA1340 B 1613B

☼2,3,7,8-TCDF 0.96 pg/g0.12 Total/NA11.0 B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.020 Total/NA10.28 J 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.015 Total/NA10.50 J 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.057 Total/NA10.61 J 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.059 Total/NA10.64 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.060 Total/NA10.23 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.094 Total/NA17.5 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.12 Total/NA10.24 J q 1613B

☼OCDF 9.6 pg/g0.024 Total/NA111 B 1613B

Client Sample ID: #20220304 #8-0'-25 Lab Sample ID: 180-135844-11

☼2,3,7,8-TCDD

RL

0.97 pg/g

EDL

0.041

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.12 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.038 Total/NA10.84 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.037 Total/NA13.3 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.036 Total/NA12.3 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.12 Total/NA179 1613B

☼OCDD 9.7 pg/g0.017 Total/NA1500 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.13 Total/NA11.9 q B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.030 Total/NA10.40 J 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.024 Total/NA11.0 J 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.065 Total/NA11.0 J 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.067 Total/NA10.70 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.072 Total/NA10.31 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.056 Total/NA17.0 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.067 Total/NA10.43 J 1613B

☼OCDF 9.7 pg/g0.034 Total/NA113 B 1613B

Client Sample ID: #20220305 #8-25-35 Lab Sample ID: 180-135844-12

☼2,3,7,8-TCDD

RL

0.99 pg/g

EDL

0.026

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.051 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.018 Total/NA10.34 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.017 Total/NA10.94 J q B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.016 Total/NA10.72 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.081 Total/NA120 1613B

☼OCDD 9.9 pg/g0.025 Total/NA1120 B 1613B

☼2,3,7,8-TCDF 0.99 pg/g0.026 Total/NA10.45 J B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.011 Total/NA10.056 J q 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.0091 Total/NA10.11 J q 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.034 Total/NA10.24 J q 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.038 Total/NA10.31 J 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.038 Total/NA10.11 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.058 Total/NA15.0 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.068 Total/NA10.16 J q 1613B

Eurofins Pittsburgh

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

Client Sample ID: #20220305 #8-25-35 (Continued) Lab Sample ID: 180-135844-12

☼OCDF

RL

9.9 pg/g

EDL

0.028

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B5.0 1613B

Client Sample ID: #20220306 #9-0-35 Lab Sample ID: 180-135844-13

☼2,3,7,8-TCDD

RL

0.96 pg/g

EDL

0.038

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.12 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.45 Total/NA11.8 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.44 Total/NA159 q S B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.072 Total/NA138 1613B

☼OCDD 9.6 pg/g0.0032 Total/NA1200 B 1613B

☼2,3,7,8-TCDF 0.96 pg/g0.12 Total/NA11.3 B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.057 Total/NA10.24 J q 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.046 Total/NA10.52 J 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.042 Total/NA10.54 J 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.040 Total/NA10.34 J I q 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.041 Total/NA10.12 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.031 Total/NA14.0 J 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.040 Total/NA10.18 J 1613B

☼OCDF 9.6 pg/g0.012 Total/NA16.0 J B 1613B

Client Sample ID: #20220307 #9-0-25 Lab Sample ID: 180-135844-14

☼2,3,7,8-TCDD

RL

0.96 pg/g

EDL

0.043

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.21 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.040 Total/NA11.1 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.033 Total/NA15.1 B q 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.034 Total/NA14.4 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.10 Total/NA1140 1613B

☼OCDD 9.6 pg/g0.013 Total/NA1860 B 1613B

☼2,3,7,8-TCDF 0.96 pg/g0.23 Total/NA12.4 B 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.023 Total/NA10.58 J q 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.020 Total/NA10.95 J q 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.091 Total/NA11.3 J 1613B

☼1,2,3,6,7,8-HxCDF 4.8 pg/g0.098 Total/NA10.90 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.10 Total/NA10.31 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.090 Total/NA111 q 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.10 Total/NA10.76 J 1613B

☼OCDF 9.6 pg/g0.036 Total/NA125 B 1613B

Client Sample ID: #20220308 #9-25-35 Lab Sample ID: 180-135844-15

☼2,3,7,8-TCDD

RL

0.97 pg/g

EDL

0.034

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.046 1613B

☼1,2,3,4,7,8-HxCDD 4.8 pg/g0.022 Total/NA10.38 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.8 pg/g0.021 Total/NA11.1 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.8 pg/g0.021 Total/NA11.1 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.8 pg/g0.10 Total/NA124 1613B

☼OCDD 9.7 pg/g0.033 Total/NA1140 B 1613B

☼2,3,7,8-TCDF 0.97 pg/g0.035 Total/NA10.76 J B q 1613B

☼1,2,3,7,8-PeCDF 4.8 pg/g0.017 Total/NA10.12 J 1613B

☼2,3,4,7,8-PeCDF 4.8 pg/g0.014 Total/NA10.17 J 1613B

☼1,2,3,4,7,8-HxCDF 4.8 pg/g0.037 Total/NA10.29 J 1613B

Eurofins Pittsburgh

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

Client Sample ID: #20220308 #9-25-35 (Continued) Lab Sample ID: 180-135844-15

☼1,2,3,6,7,8-HxCDF

RL

4.8 pg/g

EDL

0.038

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J I q0.19 1613B

☼2,3,4,6,7,8-HxCDF 4.8 pg/g0.038 Total/NA10.096 J q 1613B

☼1,2,3,4,6,7,8-HpCDF 4.8 pg/g0.063 Total/NA12.9 J 1613B

☼1,2,3,4,7,8,9-HpCDF 4.8 pg/g0.074 Total/NA10.14 J q 1613B

☼OCDF 9.7 pg/g0.036 Total/NA14.2 J B 1613B

Client Sample ID: #20220309 #10-0-35 Lab Sample ID: 180-135844-16

☼2,3,7,8-TCDD

RL

0.99 pg/g

EDL

0.031

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J q0.055 1613B

☼1,2,3,4,7,8-HxCDD 4.9 pg/g0.014 Total/NA10.49 J B 1613B

☼1,2,3,6,7,8-HxCDD 4.9 pg/g0.013 Total/NA11.7 J B 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.013 Total/NA11.5 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.093 Total/NA142 1613B

☼OCDD 9.9 pg/g0.017 Total/NA1260 B 1613B

☼2,3,7,8-TCDF 0.99 pg/g0.069 Total/NA11.0 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.024 Total/NA10.19 J 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.019 Total/NA10.39 J q 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.044 Total/NA10.41 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.047 Total/NA10.36 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.047 Total/NA10.20 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.054 Total/NA13.9 J 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.063 Total/NA10.19 J q 1613B

☼OCDF 9.9 pg/g0.023 Total/NA16.3 J B 1613B

Client Sample ID: #20220310 #10-0-25 Lab Sample ID: 180-135844-17

☼1,2,3,6,7,8-HxCDD

RL

4.9 pg/g

EDL

0.043

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B1.9 1613B

☼1,2,3,7,8,9-HxCDD 4.9 pg/g0.042 Total/NA11.7 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 4.9 pg/g0.14 Total/NA140 1613B

☼OCDD 9.8 pg/g0.010 Total/NA1230 B 1613B

☼2,3,7,8-TCDF 0.98 pg/g0.19 Total/NA11.6 B 1613B

☼1,2,3,7,8-PeCDF 4.9 pg/g0.025 Total/NA10.41 J q 1613B

☼2,3,4,7,8-PeCDF 4.9 pg/g0.021 Total/NA14.0 J 1613B

☼1,2,3,4,7,8-HxCDF 4.9 pg/g0.039 Total/NA14.0 J 1613B

☼1,2,3,6,7,8-HxCDF 4.9 pg/g0.040 Total/NA10.88 J I 1613B

☼2,3,4,6,7,8-HxCDF 4.9 pg/g0.043 Total/NA10.71 J 1613B

☼1,2,3,4,6,7,8-HpCDF 4.9 pg/g0.037 Total/NA14.0 J q 1613B

☼1,2,3,4,7,8,9-HpCDF 4.9 pg/g0.048 Total/NA10.37 J q 1613B

☼OCDF 9.8 pg/g0.023 Total/NA16.1 J B 1613B

Client Sample ID: #20220311 #10-25-35 Lab Sample ID: 180-135844-18

☼1,2,3,4,7,8-HxCDD

RL

5.0 pg/g

EDL

0.020

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J B0.23 1613B

☼1,2,3,6,7,8-HxCDD 5.0 pg/g0.018 Total/NA10.55 J q B 1613B

☼1,2,3,7,8,9-HxCDD 5.0 pg/g0.018 Total/NA10.66 J B 1613B

☼1,2,3,4,6,7,8-HpCDD 5.0 pg/g0.12 Total/NA114 1613B

☼OCDD 9.9 pg/g0.012 Total/NA199 B 1613B

☼2,3,7,8-TCDF 0.99 pg/g0.029 Total/NA10.40 J B 1613B

☼1,2,3,7,8-PeCDF 5.0 pg/g0.018 Total/NA10.090 J 1613B

Eurofins Pittsburgh

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

Client Sample ID: #20220311 #10-25-35 (Continued) Lab Sample ID: 180-135844-18

☼2,3,4,7,8-PeCDF

RL

5.0 pg/g

EDL

0.016

Analyte Result Qualifier Unit Dil Fac D Method Prep Type

Total/NA1J0.13 1613B

☼1,2,3,6,7,8-HxCDF 5.0 pg/g0.047 Total/NA10.12 J I q 1613B

☼1,2,3,4,6,7,8-HpCDF 5.0 pg/g0.060 Total/NA12.7 J 1613B

☼OCDF 9.9 pg/g0.029 Total/NA13.1 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: 180-135844-1Client Sample ID: #20220294 #5-0-35 Matrix: SedimentDate Collected: 03/22/22 15:30

Percent Solids: 87.4Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.17 J 1.0 0.045 pg/g ☼ 05/23/22 09:26 06/15/22 02:52 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

5.0 0.67 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,7,8-PeCDD 5.0 U

5.0 0.042 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,4,7,8-HxCDD 0.76 J B

5.0 0.040 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,6,7,8-HxCDD 4.0 J B

5.0 0.039 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,7,8,9-HxCDD 2.5 J B

5.0 0.17 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,4,6,7,8-HpCDD 98

10 0.019 pg/g 05/23/22 09:26 06/15/22 02:52 1☼OCDD 600 B

1.0 0.12 pg/g 05/23/22 09:26 06/22/22 04:31 1☼2,3,7,8-TCDF 1.3 B

5.0 0.027 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,7,8-PeCDF 0.30 J

5.0 0.025 pg/g 05/23/22 09:26 06/15/22 02:52 1☼2,3,4,7,8-PeCDF 0.61 J q

5.0 0.080 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,4,7,8-HxCDF 0.89 J

5.0 0.085 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,6,7,8-HxCDF 0.74 J I

5.0 0.094 pg/g 05/23/22 09:26 06/15/22 02:52 1☼2,3,4,6,7,8-HxCDF 0.30 J

5.0 0.12 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,7,8,9-HxCDF 5.0 U

5.0 0.057 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,4,6,7,8-HpCDF 10

5.0 0.065 pg/g 05/23/22 09:26 06/15/22 02:52 1☼1,2,3,4,7,8,9-HpCDF 0.48 J

10 0.046 pg/g 05/23/22 09:26 06/15/22 02:52 1☼OCDF 18 B

13C-2,3,7,8-TCDD 55 25 - 164 05/23/22 09:26 06/15/22 02:52 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 57 05/23/22 09:26 06/15/22 02:52 125 - 181

13C-1,2,3,4,7,8-HxCDD 58 05/23/22 09:26 06/15/22 02:52 132 - 141

13C-1,2,3,6,7,8-HxCDD 61 05/23/22 09:26 06/15/22 02:52 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 66 05/23/22 09:26 06/15/22 02:52 123 - 140

13C-OCDD 67 05/23/22 09:26 06/15/22 02:52 117 - 157

13C-2,3,7,8-TCDF 58 05/23/22 09:26 06/15/22 02:52 124 - 169

13C-2,3,7,8-TCDF 54 05/23/22 09:26 06/22/22 04:31 124 - 169

13C-1,2,3,7,8-PeCDF 60 05/23/22 09:26 06/15/22 02:52 124 - 185

13C-2,3,4,7,8-PeCDF 61 05/23/22 09:26 06/15/22 02:52 121 - 178

13C-1,2,3,4,7,8-HxCDF 66 05/23/22 09:26 06/15/22 02:52 126 - 152

13C-1,2,3,6,7,8-HxCDF 59 05/23/22 09:26 06/15/22 02:52 126 - 123

13C-2,3,4,6,7,8-HxCDF 62 05/23/22 09:26 06/15/22 02:52 128 - 136

13C-1,2,3,7,8,9-HxCDF 59 05/23/22 09:26 06/15/22 02:52 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 63 05/23/22 09:26 06/15/22 02:52 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 62 05/23/22 09:26 06/15/22 02:52 126 - 138

13C-OCDF 63 05/23/22 09:26 06/15/22 02:52 117 - 157

37Cl4-2,3,7,8-TCDD 62 35 - 197 05/23/22 09:26 06/15/22 02:52 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-2Client Sample ID: #20220295 #5-0-25 Matrix: SedimentDate Collected: 03/22/22 15:30

Percent Solids: 84.4Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.090 J 0.99 0.031 pg/g ☼ 05/23/22 09:26 06/15/22 05:52 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

5.0 0.57 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,7,8-PeCDD 5.0 U

5.0 0.020 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,4,7,8-HxCDD 0.73 J B

5.0 0.019 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,6,7,8-HxCDD 2.9 J B

5.0 0.018 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,7,8,9-HxCDD 2.2 J B

5.0 0.16 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,4,6,7,8-HpCDD 76

9.9 0.018 pg/g 05/23/22 09:26 06/15/22 05:52 1☼OCDD 500 B

0.99 0.087 pg/g 05/23/22 09:26 06/21/22 13:36 1☼2,3,7,8-TCDF 1.2 B

5.0 0.035 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,7,8-PeCDF 0.27 J

5.0 0.030 pg/g 05/23/22 09:26 06/15/22 05:52 1☼2,3,4,7,8-PeCDF 0.65 J

5.0 0.056 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,4,7,8-HxCDF 0.86 J

5.0 0.060 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,6,7,8-HxCDF 0.77 J I

5.0 0.059 pg/g 05/23/22 09:26 06/15/22 05:52 1☼2,3,4,6,7,8-HxCDF 0.24 J q

5.0 0.072 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,7,8,9-HxCDF 5.0 U

5.0 0.055 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,4,6,7,8-HpCDF 7.3

5.0 0.069 pg/g 05/23/22 09:26 06/15/22 05:52 1☼1,2,3,4,7,8,9-HpCDF 0.46 J

9.9 0.045 pg/g 05/23/22 09:26 06/15/22 05:52 1☼OCDF 15 B

13C-2,3,7,8-TCDD 57 25 - 164 05/23/22 09:26 06/15/22 05:52 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 63 05/23/22 09:26 06/15/22 05:52 125 - 181

13C-1,2,3,4,7,8-HxCDD 55 05/23/22 09:26 06/15/22 05:52 132 - 141

13C-1,2,3,6,7,8-HxCDD 61 05/23/22 09:26 06/15/22 05:52 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 64 05/23/22 09:26 06/15/22 05:52 123 - 140

13C-OCDD 61 05/23/22 09:26 06/15/22 05:52 117 - 157

13C-2,3,7,8-TCDF 60 05/23/22 09:26 06/15/22 05:52 124 - 169

13C-2,3,7,8-TCDF 54 05/23/22 09:26 06/21/22 13:36 124 - 169

13C-1,2,3,7,8-PeCDF 66 05/23/22 09:26 06/15/22 05:52 124 - 185

13C-2,3,4,7,8-PeCDF 65 05/23/22 09:26 06/15/22 05:52 121 - 178

13C-1,2,3,4,7,8-HxCDF 63 05/23/22 09:26 06/15/22 05:52 126 - 152

13C-1,2,3,6,7,8-HxCDF 59 05/23/22 09:26 06/15/22 05:52 126 - 123

13C-2,3,4,6,7,8-HxCDF 63 05/23/22 09:26 06/15/22 05:52 128 - 136

13C-1,2,3,7,8,9-HxCDF 61 05/23/22 09:26 06/15/22 05:52 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 64 05/23/22 09:26 06/15/22 05:52 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 60 05/23/22 09:26 06/15/22 05:52 126 - 138

13C-OCDF 56 05/23/22 09:26 06/15/22 05:52 117 - 157

37Cl4-2,3,7,8-TCDD 65 35 - 197 05/23/22 09:26 06/15/22 05:52 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-3Client Sample ID: #20220296 #5-25-35 Matrix: SedimentDate Collected: 03/22/22 15:30

Percent Solids: 91.1Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.98 U 0.98 0.038 pg/g ☼ 05/23/22 09:26 06/15/22 06:51 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.18 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.017 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,4,7,8-HxCDD 0.36 J B

4.9 0.016 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,6,7,8-HxCDD 1.6 J B

4.9 0.016 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,7,8,9-HxCDD 1.0 J B

4.9 0.14 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,4,6,7,8-HpCDD 27

9.8 0.022 pg/g 05/23/22 09:26 06/15/22 06:51 1☼OCDD 170 B

0.98 0.072 pg/g 05/23/22 09:26 06/15/22 06:51 1☼2,3,7,8-TCDF 0.59 J B

4.9 0.021 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,7,8-PeCDF 4.9 U

4.9 0.017 pg/g 05/23/22 09:26 06/15/22 06:51 1☼2,3,4,7,8-PeCDF 0.19 J

4.9 0.057 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,4,7,8-HxCDF 0.37 J

4.9 0.060 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,6,7,8-HxCDF 0.51 J I

4.9 0.062 pg/g 05/23/22 09:26 06/15/22 06:51 1☼2,3,4,6,7,8-HxCDF 0.15 J q

4.9 0.072 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.052 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,4,6,7,8-HpCDF 9.5

4.9 0.064 pg/g 05/23/22 09:26 06/15/22 06:51 1☼1,2,3,4,7,8,9-HpCDF 0.21 J q

9.8 0.037 pg/g 05/23/22 09:26 06/15/22 06:51 1☼OCDF 8.2 J B

13C-2,3,7,8-TCDD 62 25 - 164 05/23/22 09:26 06/15/22 06:51 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 87 05/23/22 09:26 06/15/22 06:51 125 - 181

13C-1,2,3,4,7,8-HxCDD 64 05/23/22 09:26 06/15/22 06:51 132 - 141

13C-1,2,3,6,7,8-HxCDD 72 05/23/22 09:26 06/15/22 06:51 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 75 05/23/22 09:26 06/15/22 06:51 123 - 140

13C-OCDD 67 05/23/22 09:26 06/15/22 06:51 117 - 157

13C-2,3,7,8-TCDF 62 05/23/22 09:26 06/15/22 06:51 124 - 169

13C-1,2,3,7,8-PeCDF 85 05/23/22 09:26 06/15/22 06:51 124 - 185

13C-2,3,4,7,8-PeCDF 87 05/23/22 09:26 06/15/22 06:51 121 - 178

13C-1,2,3,4,7,8-HxCDF 74 05/23/22 09:26 06/15/22 06:51 126 - 152

13C-1,2,3,6,7,8-HxCDF 69 05/23/22 09:26 06/15/22 06:51 126 - 123

13C-2,3,4,6,7,8-HxCDF 70 05/23/22 09:26 06/15/22 06:51 128 - 136

13C-1,2,3,7,8,9-HxCDF 70 05/23/22 09:26 06/15/22 06:51 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 74 05/23/22 09:26 06/15/22 06:51 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 70 05/23/22 09:26 06/15/22 06:51 126 - 138

13C-OCDF 63 05/23/22 09:26 06/15/22 06:51 117 - 157

37Cl4-2,3,7,8-TCDD 72 35 - 197 05/23/22 09:26 06/15/22 06:51 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-4Client Sample ID: #20220297 #6-0-35 Matrix: SedimentDate Collected: 03/22/22 14:05

Percent Solids: 89.6Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.17 J 0.97 0.046 pg/g ☼ 05/23/22 09:26 06/15/22 07:51 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.31 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.020 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,4,7,8-HxCDD 0.65 J B

4.9 0.018 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,6,7,8-HxCDD 2.7 J B

4.9 0.018 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,7,8,9-HxCDD 2.0 J B

4.9 0.12 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,4,6,7,8-HpCDD 73

9.7 0.018 pg/g 05/23/22 09:26 06/15/22 07:51 1☼OCDD 500 B

0.97 0.10 pg/g 05/23/22 09:26 06/21/22 14:06 1☼2,3,7,8-TCDF 1.0 B

4.9 0.015 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,7,8-PeCDF 0.18 J

4.9 0.013 pg/g 05/23/22 09:26 06/15/22 07:51 1☼2,3,4,7,8-PeCDF 0.42 J q

4.9 0.052 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,4,7,8-HxCDF 0.65 J

4.9 0.057 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,6,7,8-HxCDF 0.54 J I

4.9 0.058 pg/g 05/23/22 09:26 06/15/22 07:51 1☼2,3,4,6,7,8-HxCDF 0.22 J q

4.9 0.072 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.052 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,4,6,7,8-HpCDF 5.9

4.9 0.061 pg/g 05/23/22 09:26 06/15/22 07:51 1☼1,2,3,4,7,8,9-HpCDF 0.44 J I

9.7 0.041 pg/g 05/23/22 09:26 06/15/22 07:51 1☼OCDF 15 B

13C-2,3,7,8-TCDD 59 25 - 164 05/23/22 09:26 06/15/22 07:51 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 76 05/23/22 09:26 06/15/22 07:51 125 - 181

13C-1,2,3,4,7,8-HxCDD 59 05/23/22 09:26 06/15/22 07:51 132 - 141

13C-1,2,3,6,7,8-HxCDD 64 05/23/22 09:26 06/15/22 07:51 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 66 05/23/22 09:26 06/15/22 07:51 123 - 140

13C-OCDD 65 05/23/22 09:26 06/15/22 07:51 117 - 157

13C-2,3,7,8-TCDF 62 05/23/22 09:26 06/15/22 07:51 124 - 169

13C-2,3,7,8-TCDF 56 05/23/22 09:26 06/21/22 14:06 124 - 169

13C-1,2,3,7,8-PeCDF 76 05/23/22 09:26 06/15/22 07:51 124 - 185

13C-2,3,4,7,8-PeCDF 78 05/23/22 09:26 06/15/22 07:51 121 - 178

13C-1,2,3,4,7,8-HxCDF 68 05/23/22 09:26 06/15/22 07:51 126 - 152

13C-1,2,3,6,7,8-HxCDF 62 05/23/22 09:26 06/15/22 07:51 126 - 123

13C-2,3,4,6,7,8-HxCDF 66 05/23/22 09:26 06/15/22 07:51 128 - 136

13C-1,2,3,7,8,9-HxCDF 64 05/23/22 09:26 06/15/22 07:51 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 68 05/23/22 09:26 06/15/22 07:51 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 62 05/23/22 09:26 06/15/22 07:51 126 - 138

13C-OCDF 59 05/23/22 09:26 06/15/22 07:51 117 - 157

37Cl4-2,3,7,8-TCDD 69 35 - 197 05/23/22 09:26 06/15/22 07:51 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-5Client Sample ID: #20220298 #6-0-25 Matrix: SedimentDate Collected: 03/22/22 14:05

Percent Solids: 78.2Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.11 J q 0.96 0.040 pg/g ☼ 05/23/22 09:26 06/15/22 12:33 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.8 0.20 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,7,8-PeCDD 4.8 U

4.8 0.029 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,4,7,8-HxCDD 0.41 J B

4.8 0.027 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,6,7,8-HxCDD 1.7 J B

4.8 0.027 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,7,8,9-HxCDD 1.4 J B

4.8 0.21 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,4,6,7,8-HpCDD 39

9.6 0.012 pg/g 05/23/22 09:26 06/15/22 12:33 1☼OCDD 270 B

0.96 0.17 pg/g 05/23/22 09:26 06/21/22 14:35 1☼2,3,7,8-TCDF 0.85 J q B

4.8 0.019 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,7,8-PeCDF 0.22 J

4.8 0.017 pg/g 05/23/22 09:26 06/15/22 12:33 1☼2,3,4,7,8-PeCDF 0.47 J

4.8 0.055 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,4,7,8-HxCDF 0.49 J

4.8 0.058 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,6,7,8-HxCDF 0.40 J

4.8 0.063 pg/g 05/23/22 09:26 06/15/22 12:33 1☼2,3,4,6,7,8-HxCDF 0.14 J q

4.8 0.073 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,7,8,9-HxCDF 4.8 U

4.8 0.059 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,4,6,7,8-HpCDF 4.3 J

4.8 0.069 pg/g 05/23/22 09:26 06/15/22 12:33 1☼1,2,3,4,7,8,9-HpCDF 0.30 J

9.6 0.028 pg/g 05/23/22 09:26 06/15/22 12:33 1☼OCDF 8.4 J B

13C-2,3,7,8-TCDD 56 25 - 164 05/23/22 09:26 06/15/22 12:33 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 59 05/23/22 09:26 06/15/22 12:33 125 - 181

13C-1,2,3,4,7,8-HxCDD 55 05/23/22 09:26 06/15/22 12:33 132 - 141

13C-1,2,3,6,7,8-HxCDD 60 05/23/22 09:26 06/15/22 12:33 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 63 05/23/22 09:26 06/15/22 12:33 123 - 140

13C-OCDD 58 05/23/22 09:26 06/15/22 12:33 117 - 157

13C-2,3,7,8-TCDF 53 05/23/22 09:26 06/15/22 12:33 124 - 169

13C-2,3,7,8-TCDF 49 05/23/22 09:26 06/21/22 14:35 124 - 169

13C-1,2,3,7,8-PeCDF 63 05/23/22 09:26 06/15/22 12:33 124 - 185

13C-2,3,4,7,8-PeCDF 62 05/23/22 09:26 06/15/22 12:33 121 - 178

13C-1,2,3,4,7,8-HxCDF 63 05/23/22 09:26 06/15/22 12:33 126 - 152

13C-1,2,3,6,7,8-HxCDF 59 05/23/22 09:26 06/15/22 12:33 126 - 123

13C-2,3,4,6,7,8-HxCDF 59 05/23/22 09:26 06/15/22 12:33 128 - 136

13C-1,2,3,7,8,9-HxCDF 59 05/23/22 09:26 06/15/22 12:33 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 60 05/23/22 09:26 06/15/22 12:33 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 55 05/23/22 09:26 06/15/22 12:33 126 - 138

13C-OCDF 54 05/23/22 09:26 06/15/22 12:33 117 - 157

37Cl4-2,3,7,8-TCDD 64 35 - 197 05/23/22 09:26 06/15/22 12:33 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-6Client Sample ID: #20220299 #6-25-35 Matrix: SedimentDate Collected: 03/22/22 14:05

Percent Solids: 93.3Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.98 U 0.98 0.044 pg/g ☼ 05/23/22 09:26 06/15/22 13:33 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.016 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,7,8-PeCDD 0.029 J B

4.9 0.020 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,4,7,8-HxCDD 0.11 J B

4.9 0.021 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,6,7,8-HxCDD 0.18 J B

4.9 0.019 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,7,8,9-HxCDD 0.17 J q B

4.9 0.088 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,4,6,7,8-HpCDD 4.4 J

9.8 0.023 pg/g 05/23/22 09:26 06/15/22 13:33 1☼OCDD 29 B

0.98 0.030 pg/g 05/23/22 09:26 06/15/22 13:33 1☼2,3,7,8-TCDF 0.075 J q B

4.9 0.012 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,7,8-PeCDF 4.9 U

4.9 0.010 pg/g 05/23/22 09:26 06/15/22 13:33 1☼2,3,4,7,8-PeCDF 0.024 J q

4.9 0.029 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,4,7,8-HxCDF 4.9 U

4.9 0.031 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,6,7,8-HxCDF 4.9 U

4.9 0.033 pg/g 05/23/22 09:26 06/15/22 13:33 1☼2,3,4,6,7,8-HxCDF 4.9 U

4.9 0.038 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.040 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,4,6,7,8-HpCDF 0.71 J

4.9 0.049 pg/g 05/23/22 09:26 06/15/22 13:33 1☼1,2,3,4,7,8,9-HpCDF 4.9 U

9.8 0.016 pg/g 05/23/22 09:26 06/15/22 13:33 1☼OCDF 0.93 J B

13C-2,3,7,8-TCDD 62 25 - 164 05/23/22 09:26 06/15/22 13:33 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 91 05/23/22 09:26 06/15/22 13:33 125 - 181

13C-1,2,3,4,7,8-HxCDD 61 05/23/22 09:26 06/15/22 13:33 132 - 141

13C-1,2,3,6,7,8-HxCDD 65 05/23/22 09:26 06/15/22 13:33 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 66 05/23/22 09:26 06/15/22 13:33 123 - 140

13C-OCDD 60 05/23/22 09:26 06/15/22 13:33 117 - 157

13C-2,3,7,8-TCDF 63 05/23/22 09:26 06/15/22 13:33 124 - 169

13C-1,2,3,7,8-PeCDF 92 05/23/22 09:26 06/15/22 13:33 124 - 185

13C-2,3,4,7,8-PeCDF 92 05/23/22 09:26 06/15/22 13:33 121 - 178

13C-1,2,3,4,7,8-HxCDF 68 05/23/22 09:26 06/15/22 13:33 126 - 152

13C-1,2,3,6,7,8-HxCDF 64 05/23/22 09:26 06/15/22 13:33 126 - 123

13C-2,3,4,6,7,8-HxCDF 67 05/23/22 09:26 06/15/22 13:33 128 - 136

13C-1,2,3,7,8,9-HxCDF 66 05/23/22 09:26 06/15/22 13:33 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 67 05/23/22 09:26 06/15/22 13:33 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 62 05/23/22 09:26 06/15/22 13:33 126 - 138

13C-OCDF 58 05/23/22 09:26 06/15/22 13:33 117 - 157

37Cl4-2,3,7,8-TCDD 69 35 - 197 05/23/22 09:26 06/15/22 13:33 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-7Client Sample ID: #20220300 #7-0-35 Matrix: SedimentDate Collected: 03/22/22 12:42

Percent Solids: 79.9Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.18 J 0.97 0.033 pg/g ☼ 05/23/22 09:26 06/15/22 14:33 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.8 0.33 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,7,8-PeCDD 4.8 U

4.8 0.016 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,4,7,8-HxCDD 0.76 J B

4.8 0.015 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,6,7,8-HxCDD 2.9 J B

4.8 0.015 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,7,8,9-HxCDD 2.2 J B

4.8 0.10 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,4,6,7,8-HpCDD 69

9.7 0.018 pg/g 05/23/22 09:26 06/15/22 14:33 1☼OCDD 430 B

0.97 0.11 pg/g 05/23/22 09:26 06/21/22 15:05 1☼2,3,7,8-TCDF 1.2 B

4.8 0.011 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,7,8-PeCDF 0.24 J q

4.8 0.0097 pg/g 05/23/22 09:26 06/15/22 14:33 1☼2,3,4,7,8-PeCDF 0.64 J

4.8 0.053 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,4,7,8-HxCDF 0.73 J

4.8 0.058 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,6,7,8-HxCDF 0.47 J I

4.8 0.061 pg/g 05/23/22 09:26 06/15/22 14:33 1☼2,3,4,6,7,8-HxCDF 0.21 J q

4.8 0.071 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,7,8,9-HxCDF 4.8 U

4.8 0.052 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,4,6,7,8-HpCDF 6.0

4.8 0.067 pg/g 05/23/22 09:26 06/15/22 14:33 1☼1,2,3,4,7,8,9-HpCDF 0.41 J

9.7 0.015 pg/g 05/23/22 09:26 06/15/22 14:33 1☼OCDF 15 B

13C-2,3,7,8-TCDD 58 25 - 164 05/23/22 09:26 06/15/22 14:33 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 70 05/23/22 09:26 06/15/22 14:33 125 - 181

13C-1,2,3,4,7,8-HxCDD 55 05/23/22 09:26 06/15/22 14:33 132 - 141

13C-1,2,3,6,7,8-HxCDD 61 05/23/22 09:26 06/15/22 14:33 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 64 05/23/22 09:26 06/15/22 14:33 123 - 140

13C-OCDD 58 05/23/22 09:26 06/15/22 14:33 117 - 157

13C-2,3,7,8-TCDF 58 05/23/22 09:26 06/15/22 14:33 124 - 169

13C-2,3,7,8-TCDF 53 05/23/22 09:26 06/21/22 15:05 124 - 169

13C-1,2,3,7,8-PeCDF 71 05/23/22 09:26 06/15/22 14:33 124 - 185

13C-2,3,4,7,8-PeCDF 73 05/23/22 09:26 06/15/22 14:33 121 - 178

13C-1,2,3,4,7,8-HxCDF 65 05/23/22 09:26 06/15/22 14:33 126 - 152

13C-1,2,3,6,7,8-HxCDF 60 05/23/22 09:26 06/15/22 14:33 126 - 123

13C-2,3,4,6,7,8-HxCDF 60 05/23/22 09:26 06/15/22 14:33 128 - 136

13C-1,2,3,7,8,9-HxCDF 60 05/23/22 09:26 06/15/22 14:33 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 63 05/23/22 09:26 06/15/22 14:33 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 57 05/23/22 09:26 06/15/22 14:33 126 - 138

13C-OCDF 54 05/23/22 09:26 06/15/22 14:33 117 - 157

37Cl4-2,3,7,8-TCDD 66 35 - 197 05/23/22 09:26 06/15/22 14:33 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-8Client Sample ID: #20220301 #7-0-25 Matrix: SedimentDate Collected: 03/22/22 12:42

Percent Solids: 85.3Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.24 J q 0.98 0.035 pg/g ☼ 05/23/22 09:26 06/15/22 15:33 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.69 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.073 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,4,7,8-HxCDD 1.4 J B

4.9 0.064 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,6,7,8-HxCDD 6.1 B

4.9 0.065 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,7,8,9-HxCDD 5.0 B

4.9 0.10 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,4,6,7,8-HpCDD 160

9.8 0.021 pg/g 05/23/22 09:26 06/15/22 15:33 1☼OCDD 1000 B

0.98 0.12 pg/g 05/23/22 09:26 06/21/22 15:35 1☼2,3,7,8-TCDF 2.3 B

4.9 0.024 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,7,8-PeCDF 0.57 J q

4.9 0.021 pg/g 05/23/22 09:26 06/15/22 15:33 1☼2,3,4,7,8-PeCDF 1.2 J

4.9 0.099 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,4,7,8-HxCDF 1.5 J

4.9 0.11 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,6,7,8-HxCDF 1.0 J I q

4.9 0.11 pg/g 05/23/22 09:26 06/15/22 15:33 1☼2,3,4,6,7,8-HxCDF 0.49 J

4.9 0.14 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.092 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,4,6,7,8-HpCDF 13

4.9 0.10 pg/g 05/23/22 09:26 06/15/22 15:33 1☼1,2,3,4,7,8,9-HpCDF 0.78 J q

9.8 0.050 pg/g 05/23/22 09:26 06/15/22 15:33 1☼OCDF 33 B

13C-2,3,7,8-TCDD 57 25 - 164 05/23/22 09:26 06/15/22 15:33 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 66 05/23/22 09:26 06/15/22 15:33 125 - 181

13C-1,2,3,4,7,8-HxCDD 56 05/23/22 09:26 06/15/22 15:33 132 - 141

13C-1,2,3,6,7,8-HxCDD 63 05/23/22 09:26 06/15/22 15:33 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 63 05/23/22 09:26 06/15/22 15:33 123 - 140

13C-OCDD 71 05/23/22 09:26 06/15/22 15:33 117 - 157

13C-2,3,7,8-TCDF 60 05/23/22 09:26 06/15/22 15:33 124 - 169

13C-2,3,7,8-TCDF 55 05/23/22 09:26 06/21/22 15:35 124 - 169

13C-1,2,3,7,8-PeCDF 70 05/23/22 09:26 06/15/22 15:33 124 - 185

13C-2,3,4,7,8-PeCDF 71 05/23/22 09:26 06/15/22 15:33 121 - 178

13C-1,2,3,4,7,8-HxCDF 66 05/23/22 09:26 06/15/22 15:33 126 - 152

13C-1,2,3,6,7,8-HxCDF 60 05/23/22 09:26 06/15/22 15:33 126 - 123

13C-2,3,4,6,7,8-HxCDF 62 05/23/22 09:26 06/15/22 15:33 128 - 136

13C-1,2,3,7,8,9-HxCDF 61 05/23/22 09:26 06/15/22 15:33 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 62 05/23/22 09:26 06/15/22 15:33 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 65 05/23/22 09:26 06/15/22 15:33 126 - 138

13C-OCDF 64 05/23/22 09:26 06/15/22 15:33 117 - 157

37Cl4-2,3,7,8-TCDD 64 35 - 197 05/23/22 09:26 06/15/22 15:33 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-9Client Sample ID: #20220302 #7-25-35 Matrix: SedimentDate Collected: 03/22/22 12:42

Percent Solids: 91.2Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.98 U 0.98 0.028 pg/g ☼ 05/23/22 09:26 06/15/22 16:32 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.9 0.039 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,7,8-PeCDD 4.9 U

4.9 0.015 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,4,7,8-HxCDD 0.17 J B

4.9 0.013 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,6,7,8-HxCDD 0.47 J B

4.9 0.013 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,7,8,9-HxCDD 0.35 J S B

4.9 0.083 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,4,6,7,8-HpCDD 11

9.8 0.028 pg/g 05/23/22 09:26 06/15/22 16:32 1☼OCDD 66 B

0.98 0.029 pg/g 05/23/22 09:26 06/15/22 16:32 1☼2,3,7,8-TCDF 0.13 J q B

4.9 0.0086 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,7,8-PeCDF 0.041 J q

4.9 0.0073 pg/g 05/23/22 09:26 06/15/22 16:32 1☼2,3,4,7,8-PeCDF 0.071 J

4.9 0.037 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,4,7,8-HxCDF 4.9 U

4.9 0.038 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,6,7,8-HxCDF 0.11 J I q

4.9 0.039 pg/g 05/23/22 09:26 06/15/22 16:32 1☼2,3,4,6,7,8-HxCDF 4.9 U

4.9 0.051 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,7,8,9-HxCDF 4.9 U

4.9 0.046 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,4,6,7,8-HpCDF 2.1 J

4.9 0.060 pg/g 05/23/22 09:26 06/15/22 16:32 1☼1,2,3,4,7,8,9-HpCDF 4.9 U

9.8 0.019 pg/g 05/23/22 09:26 06/15/22 16:32 1☼OCDF 2.5 J B

13C-2,3,7,8-TCDD 61 25 - 164 05/23/22 09:26 06/15/22 16:32 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 90 05/23/22 09:26 06/15/22 16:32 125 - 181

13C-1,2,3,4,7,8-HxCDD 78 05/23/22 09:26 06/15/22 16:32 132 - 141

13C-1,2,3,6,7,8-HxCDD 85 05/23/22 09:26 06/15/22 16:32 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 88 05/23/22 09:26 06/15/22 16:32 123 - 140

13C-OCDD 81 05/23/22 09:26 06/15/22 16:32 117 - 157

13C-2,3,7,8-TCDF 63 05/23/22 09:26 06/15/22 16:32 124 - 169

13C-1,2,3,7,8-PeCDF 90 05/23/22 09:26 06/15/22 16:32 124 - 185

13C-2,3,4,7,8-PeCDF 88 05/23/22 09:26 06/15/22 16:32 121 - 178

13C-1,2,3,4,7,8-HxCDF 88 05/23/22 09:26 06/15/22 16:32 126 - 152

13C-1,2,3,6,7,8-HxCDF 81 05/23/22 09:26 06/15/22 16:32 126 - 123

13C-2,3,4,6,7,8-HxCDF 86 05/23/22 09:26 06/15/22 16:32 128 - 136

13C-1,2,3,7,8,9-HxCDF 81 05/23/22 09:26 06/15/22 16:32 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 90 05/23/22 09:26 06/15/22 16:32 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 83 05/23/22 09:26 06/15/22 16:32 126 - 138

13C-OCDF 74 05/23/22 09:26 06/15/22 16:32 117 - 157

37Cl4-2,3,7,8-TCDD 71 35 - 197 05/23/22 09:26 06/15/22 16:32 1

Surrogate Dil FacAnalyzedPreparedQualifier Limits%Recovery

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

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

Lab Sample ID: 180-135844-10Client Sample ID: #20220303 #8-0-35 Matrix: SedimentDate Collected: 03/22/22 09:50

Percent Solids: 90.8Date Received: 03/29/22 10:00

RL EDL

2,3,7,8-TCDD 0.11 J q 0.96 0.025 pg/g ☼ 05/23/22 09:26 06/15/22 17:32 1

Analyte Dil FacAnalyzedPreparedUnit DResult Qualifier

4.8 0.31 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,7,8-PeCDD 4.8 U

4.8 0.025 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,4,7,8-HxCDD 0.51 J q B

4.8 0.025 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,6,7,8-HxCDD 2.7 J B

4.8 0.024 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,7,8,9-HxCDD 1.4 J q S B

4.8 0.14 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,4,6,7,8-HpCDD 57

9.6 0.022 pg/g 05/23/22 09:26 06/15/22 17:32 1☼OCDD 340 B

0.96 0.12 pg/g 05/23/22 09:26 06/21/22 16:05 1☼2,3,7,8-TCDF 1.0 B

4.8 0.020 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,7,8-PeCDF 0.28 J

4.8 0.015 pg/g 05/23/22 09:26 06/15/22 17:32 1☼2,3,4,7,8-PeCDF 0.50 J

4.8 0.057 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,4,7,8-HxCDF 0.61 J

4.8 0.059 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,6,7,8-HxCDF 0.64 J I

4.8 0.060 pg/g 05/23/22 09:26 06/15/22 17:32 1☼2,3,4,6,7,8-HxCDF 0.23 J

4.8 0.072 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,7,8,9-HxCDF 4.8 U

4.8 0.094 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,4,6,7,8-HpCDF 7.5

4.8 0.12 pg/g 05/23/22 09:26 06/15/22 17:32 1☼1,2,3,4,7,8,9-HpCDF 0.24 J q

9.6 0.024 pg/g 05/23/22 09:26 06/15/22 17:32 1☼OCDF 11 B

13C-2,3,7,8-TCDD 56 25 - 164 05/23/22 09:26 06/15/22 17:32 1

Isotope Dilution Dil FacAnalyzedPreparedQualifier Limits%Recovery

13C-1,2,3,7,8-PeCDD 71 05/23/22 09:26 06/15/22 17:32 125 - 181

13C-1,2,3,4,7,8-HxCDD 68 05/23/22 09:26 06/15/22 17:32 132 - 141

13C-1,2,3,6,7,8-HxCDD 73 05/23/22 09:26 06/15/22 17:32 128 - 130

13C-1,2,3,4,6,7,8-HpCDD 77 05/23/22 09:26 06/15/22 17:32 123 - 140

13C-OCDD 77 05/23/22 09:26 06/15/22 17:32 117 - 157

13C-2,3,7,8-TCDF 55 05/23/22 09:26 06/15/22 17:32 124 - 169

13C-2,3,7,8-TCDF 50 05/23/22 09:26 06/21/22 16:05 124 - 169

13C-1,2,3,7,8-PeCDF 70 05/23/22 09:26 06/15/22 17:32 124 - 185

13C-2,3,4,7,8-PeCDF 74 05/23/22 09:26 06/15/22 17:32 121 - 178

13C-1,2,3,4,7,8-HxCDF 75 05/23/22 09:26 06/15/22 17:32 126 - 152

13C-1,2,3,6,7,8-HxCDF 70 05/23/22 09:26 06/15/22 17:32 126 - 123

13C-2,3,4,6,7,8-HxCDF 73 05/23/22 09:26 06/15/22 17:32 128 - 136

13C-1,2,3,7,8,9-HxCDF 72 05/23/22 09:26 06/15/22 17:32 129 - 147

13C-1,2,3,4,6,7,8-HpCDF 78 05/23/22 09:26 06/15/22 17:32 128 - 143

13C-1,2,3,4,7,8,9-HpCDF 72 05/23/22 09:26 06/15/22 17:32 126 - 138

13C-OCDF 68 05/23/22 09:26 06/15/22 17:32 117 - 157

37Cl4-2,3,7,8-TCDD 65 35 - 197…

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