NYC-WTC_000234102

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 R02100402 OSA Client ID: 04A 04A 04A 039088 02 Lab No.: 039089 02 039089 02 039089 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 0.085 pg 3.6 0.36 3.1 2,3,7,8-CI4DBD 0.26 0.33 0.33 0.47 1,2,3,7,8-CI5DBF 0.49 0.64 0.032 0.49 2,3,4,7,8-CI5DBF 0.47 <0.47 <0.24 0.13 1.2.3.7.8-CI5DBD 0.38 <0.38 <0.19 0.37 1,2,3,4,7,8-CI6DBF 0.42 <0.42 <0.042 0.64 1,2,3,6,7,8-CI6DBF 0.39 <0.39 <0.039 0.42 2,3,4,6,7,8-CI6DBF 0.46 <0.46 <0.046 0.49 1,2,3,7,8,9-CI6DBF 0.49 <0.49 <0.049 0.53 1.2.3.4.7.8-CI6DBD 0.30 <0.30 <0.030 0.27 1,2,3,6,7,8-CI6DBD 0.44 0.66 0.066 0.25 1,2,3,7,8,9-CI6DBD 0.42 0.71 0.071 0.25 1,2,3,4,6,7,8-CI7DBF 7.8 <7.8 <0.078 3.7 1,2,3,4,7,8,9-CI7DBF 6.3 <6.3 <0.063 4.3 1.2.3.4.6.7.8-CI7DBD 1.1 6.1 0.061 3.8 1,2,3,4,6,7,8,9-CI8DBF 1.1 <1.1 <0.0011 1.9 1,2,3,4,6,7,8,9-CI8DBD 1.4 37 0.037 1.9

TEF pg 0.96 MAX TEF <1.7

ET4CDF 6 0.085 pg 6.9 5 0.14 EP5CDF 3 0.49 2.3 3 0.13 EH6CDF 0 0.42 <0.42 0 0.45 EH7CDF 0 5.8 <5.8 0 4.0 OCDF 0 1.1 <1.1 0 1.9 ET4CDD 2 0.26 11 7 0.47 EP5CDD 2 0.29 0.81 1 0.37 EH6CDD 0 0.44 2.9 3 0.25 EH7CDD 1 1.1 14 2 0.64 OCDD 1 1.4 37 1 1.9 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 89 2,3,7,8-T4CDD-13C12 85 1,2,3,7,8-P5CDF-13C12 72 1,2,3,7,8-P5CDD-13C12 67 1,2,3,6,7,8-H6CDF-13C12 76 1,2,3,6,7,8-H6CDD-13C12 82 1,2,3,4,6,7,8-H7CDF-13C12 59 1,2,3,4,6,7,8-H7CDD-13C12 79 OCDD-13C12 58

Certificate No:2J0575 file# =DEP00206977.XLS nh Page 3 of Revision No. 0

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