NYC-WTC_000220331

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 ClierttID: 04A 04A 04A Lab No.: 039089 02 039089 02 039089 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component RDL Units TEF # of Isomers

Dioxins and furans

2,3,7,8-CI4DBF 0.085 pg 3.6 0.36 ■( 2.3.7.8-CI4DBD 0.26 0.33 0.33 1,2,3,7,8-CI5DBF 0.49 0.64 0.032 2,3,4,7,8-CI5DBF 0.47 <0.47 <0.24 1,2,3,7,8-CI5DBD 0.38 <0.38 <0.19 1,2,3,4,7,8-CI6DBF 0.42 <0.42 <0.042 1,2,3,6,7,8-CI6DBF 0.39 <0.39 <0.039 2,3,4,6,7.8-CI6DBF 0.46 <0.46 <0.046 1,2,3,7,8,9-CI6DBF 0.49 <0.49 <0.049 1,2,3,4,7,8-CI6DBD 0.30 <0.30 <0.030 1,2,3,6,7,8-CI6DBD 0.44 0.66 0.066 1,2,3,7,8,9-CI6DBD 0.42 0.71 0.071 1,2,3,4,6,7,8-CI7DBF 7.8 <7.8 <0.078 1,2,3,4.7,8,9-CI7DBF 6.3 <6.3 <0.063 1,2,3,4,6,7,8-CI7DBD 1.1 6.1 0.061 1,2,3,4,6,7,8.9-CI8DBF 1.1 <1.1 <0.0011 1,2,3,4,6,7,8,9-CI8DBD 1.4 37 0.037

TEF pg 0.96 EPA Requested TEQ < 1.33 MAX TEF 1.7 Units Ng/m^ 0.13

ZT4CDF 0.085 pg 6.9 5 ZP5CDF 0.49 2.3 3 ZHBCDF 0.42 <0.42 0 ZH7CDF 5.8 <5.8 0 OCDF 1.1 <1.1 0 ZT4CDD 0.26 11 7 ZP5CDD 0.29 0.81 1 SH6CDD 0.44 2.9 3 ZH7CDD 1.1 14 2 OCDD 1.4 37 1 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 if =R02100402 TEQ Report nh Page 4 of 20 Revision No. 0

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