NYC-WTC_000234102

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 R02100402 10A Client ID: 11A 11A 11A 039095 02 Lab No.: 039096 02 039096 02 039096 02 02/10/09 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

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

Dioxins and furans

2,3,7,8-CI4DBF 0.41 pg 7.5 0.75 0.17 2,3,7,8-CI4DBD 0.24 2.8 2.8 0.25 1,2,3,7,8-CI5DBF 0.41 1.1 0.054 0.28 2,3,4,7,8-CI5DBF 0.40 1.0 0.51 0.27 1.2.3.7.8-CI5DBD 0.56 <0.56 <0.28 0.43 1,2,3,4,7,8-CI6DBF 1.4 <1.4 <0.14 0.29 1,2,3,6,7,8-CI6DBF 0.17 0.64 0.064 0.27 2,3,4,6,7,8-CI6DBF 0.89 <0.89 <0.089 0.19 1,2,3,7,8,9-CI6DBF 0.22 <0.22 <0.022 0.25 1.2.3.4.7.8-CI6DBD 0.70 <0.70 <0.070 0.24 1,2,3,6,7,8-CI6DBD 0.65 0.99 0.099 0.22 1,2,3,7,8,9-CI6DBD 0.69 <0.69 <0.069 0.22 1,2,3,4,6,7,8-CI7DBF 6.8 <6.8 <0.068 0.69 1,2,3,4,7,8,9-CI7DBF 3.0 <3.0 <0.030 1.3 1.2.3.4.6.7.8-CI7DBD 0.83 6.6 0.066 1.1 1,2,3,4,6,7,8,9-CI8DBF 3.4 <3.4 <0.0034 0.41 1,2,3,4,6,7,8,9-CI8DBD 1.3 59 0.059 1.3

TEF pg 4.3 MAX TEF <5.1

ET4CDF 11 0.41 pg 50 13 0.17 EP5CDF 6 0.41 11 7 0.28 EH6CDF 3 0.19 2.3 2 0.18 EH7CDF 0 2.8 <2.8 0 1.2 OCDF 0 3.4 <3.4 0 0.41 ET4CDD 6 0.24 23 6 0.25 EP5CDD 3 0.56 11 3 0.43 EH6CDD 2 0.65 0.99 1 0.22 EH7CDD 2 0.83 13 2 0.42 OCDD 1 1.3 59 1 1.3 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 50 2,3,7,8-T4CDD-13C12 88 1,2,3,7,8-P5CDF-13C12 51 1,2,3,7,8-P5CDD-13C12 52 1,2,3,6,7,8-H6CDF-13C12 43 1,2,3,6,7,8-H6CDD-13C12 44 1,2,3,4,6,7,8-H7CDF-13C12 46 1,2,3,4,6,7,8-H7CDD-13C12 45 OCDD-13C12 35

Certificate No:2J0575 file# =DEP00206977.XLS nh Page 8 of Revision No. 0

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NYC-WTC_000234112