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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 ClientID: 04A 04A 04A Lab No.: 039049 02 039049 02 039049 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-CI4DBF 0.21 pg 5.0 0.50 2,3,7,8-CI4DBD 0.13 1.6 1.6 1,2,3,7,8-C15DBF 0.89 N <0.89 <0.045 2,3,4,7,8-C15DBF 0.79 N <0.79 <0.39 1,2,3,7,8-CI5DBD 0.33 N <0.33 <0.17 1,2,3,4,7,8-CI6DBF 0.23 • 1.2 0.12 1,2,3,6,7,8-CI6DBF 0.71 <0.71 <0.071 2,3,4,6,7,8-CI6DBF 0.26 N 1.4 0.14 1,2,3,7,8,9-CI6DBF 0.29 • <0.29 <0.029 1,2,3,4,7,8-CI6DBD 0.21 N <0.21 <0.021 1,2,3,6,7,8-CI6DBD 0.20 N <0.20 <0.020 1,2,3,7,8,9-CI6DBD 0.2 • 0.69 0.069 1,2,3,4,6,7,8-C17DBF 11 • <11 <0.11 1,2,3,4,7,8,9-Cl7DBF 140 N <140 <1.4 1,2,3,4,6,7,8-CI7DBD 0.11 N 3.4 0.034 1,2,3,4,6,7,8,9-C18DBF 1.1 • <1.1 <0.0011 • 1,2,3,4,6,7,8,9-CI8DBD 0.2 24 0.024

TEF pg 2.5 EPA Requested TEQ < 3.60 MAX TEF N < 4.7 Units Ng/m2 0.36

ET4CDF 0.21 pg 17 9 EPSCDF 0.15 N 3.1 5 EH6CDF 0.23 2.5 2 EH7CDF 140 • <140 0 OCDF 1.1 <1.1 0 ET4CDD 0.13 N 8.6 9 EPSCDD 0.66 4.2 4 EH6CDD 0.21 1.6 2 EH7CDD 0.11 6.8 2 OCDD 0.2 " 24 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 71 2,3,7,8-T4CDD-13C12 93 1,2,3,7,8-P5CDF-13C12 112 1,2,3,7,8-P5CDD-13C12 107 1,2,3,6,7,8-H6CDF-13C12 30 1,2,3,6,7,8-H6CDD-13C12 73 1,2,3,4,6,7,8-H7CDF-13C12 13 1,2,3,4,6,7,8-H7CDD-13C12 85 • OCDD-13C12 76

Certificate No:2J0573 file # =R02100400 TCDD Spreadsheet nh Page 4 of 20 Revision No. I

NYC-WTC 000130386

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NYC-WTC_000130386Source: 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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