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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 Laboratory Method Blanks Component RDL Units BLANK

. Batch Code: 2,3,7,8-CI4DBF 2,3,7.8-CI4DBD 0.12 0.26 pg 1101NZ01 1.7 <0.26 TEF 0.17 <0.26 # of Isomers MR 103% 114% 1,2,3,7,8-CI5DBF 0.23 0.40 0.020 111% 2,3,4,7,8-CI5DBF 0.47 <0.47 <0.24 92% 1,2,3,7,8-C15DBD 0.32 <0.32 <0.16 95% 1,2,3,4,7.8-CI6DBF 0.21 <0.21 <0.021 95% 1,2,3,6,7,8-CI6DBF 0.20 <0.20 <0.020 103% 2,3,4,6,7,8-CI6DBF 0.59 <0.59 <0.059 168% 1,2,3,7,8,9-CI6DBF 0.25 <0.25 <0.025 155% 1,2,3,4,7,8-CI6DBD 0.39 <0.39 <0.039 85% 1,2,3,6,7,8-CI6DBD 0.36 <0.36 <0.036 99% 1,2,3,7,8,9-C16DBD 0.56 <0.56 <0.056 130% 1,2,3,4,6,7,8-C17DBF 0.97 <0.97 <0.0098 103% 1,2,3,4,7.8,9-C17DBF 0.53 <0.53 <0.0053 141% 1,2,3,4,6,7,8-C17DBD 0.27 <0.27 <0.0027, 103% 1,2,3,4,6,7,8,9-CISDBF 0.69 <0.69 <0.0069 66% 1,2,3,4,6,7,8.9-CI8DBD 0.29 2.3 0.0024 100%

FET pg 0.19 FET MAX <1.1

ET4CDF 0.14 pg 3.0 4 103% EPSCDF 0.23 0.40 1 102% EH6CDF 0.21 <0.21 0 130% EH7CDF 0.49 <0.49 0 122% OCDF 0.69 <0.69 0 66% ET4CDD 0.26 0.27 1 114% EPSCDD 0.32 0.48 1 95% EH6CDD 0.36 <0.36 0 105% EH7CDD 0.27 <0.27 0 103% OCDD 0.29 " 2.3 1 100 Surrogate Recoveries 2,3,7,8-T4CDF-13C12 93 2,3,7,8-T4CDD-13C12 91 1,2,3,7,8-P5CDF-13C12 96 1,2,3,7,8-P5CDD-13C12 91 1,2,3,6,7,8-H6CDF-13C12 55 1,2,3,6,7,8-H6CDD-13C12 65 1,2,3,4,6,7,8-H7CDF-13C12 47 1,2,3,4,6,7,8-H7CDD-13C12 82 OCDD-13C12 69

Certificate No:2J0575 file # =039086ot.xls nh Page 2 of 3 Revision No. 0

NYC-WTC 000130283

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NYC-WTC_000130283Source: 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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