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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 . R02100401 R02100401 R02100401 Client ID: 07A 07A 07A Lab No.: 039072 02 039072 02 039072 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 2.5 pg <2.5 <0.25 2,3,7,8-CI4DBD 2.9 N <2.9 <2.9 1,2,3,7,8-CI5DBF 1.9 <1.9 <0.095 2,3,4,7,8-CI5DBF 1.8 <1.8 <0.92 1,2,3,7,8-CI5DBD 3.4 N <3.4 <1.7 1,2,3,4,7,8-CI6DBF 1.4 <1.4 <0.14 1,2,3,6,7,8-CI6DBF 1.3 <1.3 <0.13 2,3,4,6,7,8-CI6DBF 1.5 • <1.5 <0.15 1,2,3,7,8,9-CI6DBF 1.7 N <1.7 <0.17 1,2,3,4,7,8-CI6DBD 2.1 N <2.1 <0.21 1,2,3,6,7,8-CI6DBD 1.9 N <1.9 <0.19 1,2,3,7,8,9-CI6DBD 1.9 N <1.9 <0.19 1,2,3,4,6,7,8-CI7DBF 40 <40 <0.40 46 • <46 <0.46 1,2,3,4,7,8,9-CI7DBF 2.2 • <2.2 <0.022 1,2,3,4,6,7,8-Cl7DBD 8.8 • <8.8 <0.0088 1,2,3,4,6,7,8,9-CI8DBF 7.7 • <7.7 <0.0077 1,2,3,4,6,7,8,9-CI8DBD

• TEF pg 0 EPA Requested TEQ < 3.95 MAX TEF N < 7.9 Units Ng/m2 < 0.40

ET4CDF 2.0 pg <2.0 0 £P5CDF 1.9 • <1.9 0 EH6CDF 1.4 <1.4 0 EH7CDF 43 N <43 0 8.8 • <8.8 0 OCDF £T4CDD 2.9 N <2.9 0 EP5CDD 3.4 N <3.4 0 EH6CDD 1.9 N <1.9 0 £H7CDD 2.2 • <2.2 0 7.7 • <7.7 0 OCDD Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 87 2,3,7,8-T4CDD-13C12 92 1,2,3,7,8-P5CDF-13C12 94 1.2,3,7,8-P5CDD-13C12 97 1,2,3,6,7,8-H6CDF-13C12 85 1,2,3,6,7,8-H6CDD-13C12 83 1,2,3,4,6,7,8-H7CDF-13C12 95 1,2,3,4,6,7,8-H7CDD-13C12 89 • OCDD-13C12 79

Certificate No:2J0574 file # =R02100401 TEQ Report nh Page 13 of 40 Revision No. 0

NYC-WTC 000130355

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NYC-WTC_000130355Source: 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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