NYC-WTC_000233096

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 R02100402 Client ID: 05A 05A 05A Client ID: 06A Lab No.: 039090 02 039090 02 039090 02 Lab No.: 039091 02 e Sampled: 02/10/09 02/10/09 02/10/09 Date Sampled: 02/10/09 Matrix: Matrix:

Component Units TEF f of Isomer; RDL Units

Dioxins and furans

2,3,7,8-CI4DBF pg <3.1 <0.31 0.22 pg 1.2 2,3,7,8-CI4DBD <0.47 <0.47 0.37 <0.37 1,2,3,7,8-CI5DBF <0.49 <0.025 0.29 <0.29 2,3,4,7,8-CI5DBF 0.53 0.27 0.27 <0.27 1,2,3,7,8-CI5DBD <0.37 <0.18 0.37 <0.37 1,2,3,4,7,8-CI6DBF <0.64 <0.064 0.36 <0.36 1,2,3,6,7,8-CI6DBF <0.42 <0.042 0.34 <0.34 2,3,4,6,7,8-CI6DBF <0.49 <0.049 0.40 <0.40 1,2,3,7,8,9-CI6DBF <0.53 <0.053 0.43 <0.43 1,2,3,4,7,8-CI6DBD <0.27 <0.027 0.25 <0.25 1,2,3,6,7,8-CI6DBD <0.25 <0.025 0.23 <0.23 1,2,3,7,8,9-CI6DBD <0.25 <0.025 0.22 <0.22 1,2,3,4,6,7,8-CI7DBF <3.7 <0.037 28 <28 1,2,3,4,7,8,9-CI7DBF <4.3 <0.043 32 <32 1,2,3,4,6,7,8-CI7DBD <3.8 <0.038 0.48 <0.48 1,2,3,4,6,7,8,9-CI8DBF <1.9 <0.0019 0.44 <0.44 1,2,3,4,6,7,8,9-CI8DBD 34 0.034 0.46 2.8

TEF pg 0.30 pg MAX TEF <1.7

ET4CDF pg 5.1 5 0.22 pg 2.1 EP5CDF 0.53 1 0.29 <0.29 EH6CDF <0.45 0 0.36 <0.36 EH7CDF <4.0 0 30 <30 OCDF <1.9 0 0.44 <0.44 ET4CDD 10 4 0.37 <0.37 EP5CDD 2.6 1 0.37 0.49 EH6CDD 1.3 1 0.23 <0.23 EH7CDD 4.7 1 0.34 <0.34 OCDD 34 1 0.46 2.8 Surrogate Recoveries % % 2,3,7,8-T4CDF-13C12 91 98 2,3,7,8-T4CDD-13C12 88 94 1,2,3,7,8-P5CDF-13C12 75 92 1,2,3,7,8-P5CDD-13C12 70 91 1,2,3,6,7,8-H6CDF-13C12 96 77 1,2,3,6,7,8-H6CDD-13C12 89 87 1,2,3,4,6,7,8-H7CDF-13C12 85 68 1,2,3,4,6,7,8-H7CDD-13C12 77 98 OCDD-13C12 50 76

Certificate No:2J0575 file# =DEP00118928.XLS nh Page 4 of Revision No. 0

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