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Chain of Custody: DEP Cleanup Samples, October 24, 2002

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Chain of custody document from PSC Analytical Services regarding the receipt and analysis of samples for the DEP cleanup project.

NYC-WTC_000130104–000130402
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NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

• R02100400 R02100400 R02100400 Client ID: 06A 06A 06A Lab No.: 039051 02 039051 02 039051 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component RDL Units TEF # of Isomers

Dioxins and furans

2,3,7,8-C14DBF 0.13 pg 7.9 0.79 2,3,7,8-C14DBD 1.4 N <1.4 <1.4 1,2,3,7,8-CI5DBF 0.21 N 1.5 0.076 2,3,4,7,8-C15DBF 0.2 N 2.2 1.1 1,2,3,7,8-C150BD 0.89 N 0.65 0.33 1,2,3,4,7,8-CI6DBF 0.12 N 1.4 0.14 1,2,3,6,7,8-CI6DBF 0.12 N 1.1 0.11 2,3,4,6,7,8-C16DBF 0.13 N 1.6 0.16 1,2,3,7,8,9-C16DBF 0.39 N <0.39 <0.039 1,2,3,4,7,8-C16DBD 0.16 0.75 0.075 1,2,3,6,7,8-CI6DBD 0.75 <0.75 <0.075 1,2,3,7,8,9-C16DBD 0.15 1.1 0.11 1,2,3,4,6,7,8-C17DBF 9.0 <9.0 <0.090 1,2,3,4,7,8,9-C17DBF 17 <17 <0.17 1,2,3,4,6,7,8-CI7DBD 0.14 N 2.6 0.026 1,2,3,4,6,7,8,9-C18DBF 1.1 N 1.9 0.0019 • 1,2,3,4,6,7,8,9-C18DBD 0.47 N 11 0.011

TEF pg 2.9 EPA Requested TEQ < 3.80 MAX TEF N < 4.7 Units Ng/m2 0.38

ET4CDF 0.13 pg 23 10 EPSCDF 0.21 N 12 7 EH6CDF 0.12 4.1 3 EH7CDF 25 N <25 0 OCDF 1.1 N 1.9 1 ET4CDD 0.25 N 12 7 EPSCDD 0.89 12 4 EH6CDD 0.15 N 13 6 EH7CDD 0.14 2.6 1 OCDD 0.47 11 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 96 2,3,7,8-T4CDD-13C12 88 1,2,3,7,8-P5CDF-13C12 93 1,2,3,7,8-P5CDD-13C12 98 1,2,3,6,7,8-H6CDF-13C12 66 1,2,3,6,7,8-H6CDD-13C12 88 1,2,3,4,6,7,8-H7CDF-13C12 73 1,2,3,4,6,7,8-H7CDD-13C12 86 • OCDD-13C12 77

Certificate No:2J0573 file # =R02100400 TCDD Spreadsheet nh Page 6 of 20 Revision No. 1

NYC-WTC 000130388

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NYC-WTC_000130388Source: NYC Law Department, mirrored locally

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NYC-WTC_000130052 · Box DEP Box 53

Chain of custody document from PSC Analytical Services regarding the receipt and analysis of samples for the DEP cleanup project.

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