NYC-WTC_000234102

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 R02100402 R02100402 13A 13A Client ID: 14A 14A 14A 039098 02 039098 02 Lab No.: 039099 02 039099 02 039099 02 02/10/09 02/10/09 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component TEF t of Isomer; RDL Units TEF f of Isomer;

Dioxins and furans

2,3,7,8-CI4DBF <0.12 0.27 pg <0.27 <0.027 2,3,7,8-CI4DBD <0.31 0.68 <0.68 <0.68 1,2,3,7,8-CI5DBF <0.025 0.65 0.85 0.042 2,3,4,7,8-CI5DBF <0.23 0.77 <0.77 <0.39 1.2.3.7.8-CI5DBD <0.21 0.74 <0.74 <0.37 1,2,3,4,7,8-CI6DBF 0.046 1.1 <1.1 <0.11 1,2,3,6,7,8-CI6DBF <0.025 0.24 0.88 0.088 2,3,4,6,7,8-CI6DBF <0.029 1.1 <1.1 <0.11 1,2,3,7,8,9-CI6DBF <0.032 0.31 0.63 0.063 1.2.3.4.7.8-CI6DBD <0.051 0.78 0.99 0.099 1,2,3,6,7,8-CI6DBD <0.047 0.69 <0.69 <0.069 1,2,3,7,8,9-CI6DBD <0.046 0.99 <0.99 <0.099 1,2,3,4,6,7,8-CI7DBF <0.0080 1.9 <1.9 <0.019 1,2,3,4,7,8,9-CI7DBF <0.0032 1.4 <1.4 <0.014 1.2.3.4.6.7.8-CI7DBD 0.0041 2.5 <2.5 <0.025 1,2,3,4,6,7,8,9-CI8DBF 0.011 0.74 3.6 0.0037 1,2,3,4,6,7,8,9-CI8DBD 0.0026 1.4 23 0.023

TEF 0.064 pg 0.32 MAX TEF <1.2 <2.2

ET4CDF 3 0.27 pg 7.5 6 EP5CDF 0 0.65 0.85 1 EH6CDF 2 0.26 1.5 2 EH7CDF 0 1.3 <1.3 0 OCDF 1 0.74 3.6 1 ET4CDD 0 0.4 4.6 2 EP5CDD 0 0.74 <0.74 0 EH6CDD 0 0.72 0.99 1 EH7CDD 1 0.75 1.5 1 OCDD 1 1.4 23 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 88 2,3,7,8-T4CDD-13C12 87 1,2,3,7,8-P5CDF-13C12 76 1,2,3,7,8-P5CDD-13C12 72 1,2,3,6,7,8-H6CDF-13C12 91 1,2,3,6,7,8-H6CDD-13C12 89 1,2,3,4,6,7,8-H7CDF-13C12 92 1,2,3,4,6,7,8-H7CDD-13C12 84 OCDD-13C12 60

Certificate No:2J0575 file# =DEP00206977.XLS nh Page 10 of Revision No. 0

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NYC-WTC_000234114