NYC-WTC_000234102

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 R02100402 R02100402 06A 06A Client ID: OTA 07A 07A 039091 02 039091 02 Lab No.: 039092 02 039092 02 039092 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 0.31 pg 34 3.4 2,3,7,8-CI4DBD <0.37 8.8 <8.8 <8.8 1,2,3,7,8-CI5DBF <0.015 0.46 6.6 0.33 2,3,4,7,8-CI5DBF <0.14 0.45 6.6 3.3 1.2.3.7.8-CI5DBD <0.19 3.6 <3.6 <1.8 1,2,3,4,7,8-CI6DBF <0.036 0.74 7.0 0.70 1,2,3,6,7,8-CI6DBF <0.034 5.0 <5.0 <0.50 2,3,4,6,7,8-CI6DBF <0.040 0.81 7.8 0.78 1,2,3,7,8,9-CI6DBF <0.043 0.87 6.2 0.62 1.2.3.4.7.8-CI6DBD <0.025 1.5 3.2 0.32 1,2,3,6,7,8-CI6DBD <0.023 4.6 <4.6 <0.46 1,2,3,7,8,9-CI6DBD <0.022 1.3 6.8 0.68 1,2,3,4,6,7,8-CI7DBF <0.28 51 <51 <0.51 1,2,3,4,7,8,9-CI7DBF <0.32 8.5 <8.5 <0.085 1.2.3.4.6.7.8-CI7DBD <0.0048 1.9 20 0.20 1,2,3,4,6,7,8,9-CI8DBF <0.00044 1.8 12 0.012 1,2,3,4,6,7,8,9-CI8DBD 0.0028 2.5 100 0.10

TEF 0.12 pg 10 MAX TEF <1.7 <23

ET4CDF 3 0.31 pg 150 13 EP5CDF 0 0.46 56 8 EH6CDF 0 0.74 28 4 EH7CDF 0 11 <11 0 OCDF 0 1.8 12 1 ET4CDD 0 0.55 170 10 EP5CDD 1 0.96 84 5 EH6CDD 0 1.4 54 5 EH7CDD 0 1.9 38 2 OCDD 1 2.5 100 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 91 2,3,7,8-T4CDD-13C12 88 1,2,3,7,8-P5CDF-13C12 69 1,2,3,7,8-P5CDD-13C12 62 1,2,3,6,7,8-H6CDF-13C12 88 1,2,3,6,7,8-H6CDD-13C12 83 1,2,3,4,6,7,8-H7CDF-13C12 65 1,2,3,4,6,7,8-H7CDD-13C12 67 OCDD-13C12 41

Certificate No:2J0575 file# =DEP00206977.XLS nh Page 5 of Revision No. 0

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