NYC-WTC_000232716

NYC 9/11 Public Portal Document

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R02100403 R02100403 R02100403 R02100403 R02100403 11A 11A Client ID: 12A 12A 12A 039116 02 039116 02 Lab No. .-039117 02 039117 02 039117 02 02/10/09 02/10/09 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component TEF It of Isomers RDL Units TEF # of Isomers RDL

Dioxins and furans

2,3,7,8-CI4DBF 0.26 0.99 pg 2.2 0.22 0.29 2,3,7,8-CI4DBD <1.4 1.3 <1.3 <1.3 0.30 1,2,3,7,8-CI5DBF <0.039 0.99 <0.99 <0.049 0.55 2,3,4,7,8-CI5DBF <0.24 0.95 <0.95 <0.48 0.55 1.2.3.7.8-CI5DBD <0.95 2.5 <2.5 <1.2 0.54 1,2,3,4,7,8-CI6DBF <0.21 2.2 <2.2 <0.22 0.28 1,2,3,6,7,8-CI6DBF <0.19 2.1 <2.1 <0.21 0.26 2,3,4,6,7,8-CI6DBF <0.23 2.4 <2.4 <0.24 0.31 1,2,3,7,8,9-CI6DBF <0.25 2.6 <2.6 <0.26 0.37 1,2,3,4,7,8-CI6DBD <0.17 1.9 <1.9 <0.19 0.59 1,2,3,6,7,8-CI6DBD <0.16 1.8 <1.8 <0.18 0.55 1,2,3,7,8,9-CI6DBD <0.15 1.7 <1.7 <0.17 0.54 1,2,3,4,6,7,8-CI7DBF <1.7 250 <250 <2.5 13 1,2,3,4,7,8,9-CI7DBF <2.0 290 <290 <2.9 14 1,2,3,4,6,7,8-CI7DBD 0.058 3.5 <3.5 <0.035 0.43 1,2,3,4,6,7,8,9-CI8DBF <0.0067 3.7 20 0.020 0.83 1,2,3,4,6,7,8,9-CI8DBD 0.054 3.9 7.3 0.0073 0.42

TEF 0.37 pg 0.24 EPA Requested TEQs 4.24 < 5.12 MAX TEF 8.1 10 Units Ng/m^ 0.42 < 0.51

ET4CDF 2 0.99 pg 2.2 1 0.29 ZP5CDF 0 0.99 <0.99 0 0.55 ZH6CDF 0 2.2 <2.2 0 0.31 ZH7CDF 0 270 <270 0 14 OCDF 0 3.7 20 1 0.83 ZT4CDD 0 1.7 5.8 2 0.30 ZP5CDD 0 2.5 <2.5 0 0.54 ZH6CDD 0 1.8 <1.8 0 0.55 ZH7CDD 2 3.5 <3.5 0 0.43 OCDD 1 3.9 7.3 1 0.42 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 88 2,3,7,8-T4CDD-13C12 70 1,2,3,7,8-P5CDF-13C12 64 1,2,3,7,8-P5CDD-13C12 52 1,2,3,6,7,8-H6CDF-13C12 76 1,2,3,6,7,8-H6CDD-13C12 78 1,2,3,4,6,7,8-H7CDF-13C12 62 1,2,3,4,6,7,8-H7CDD-13C12 84

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CONFIDENTIAL, CITY_21MC100_013182140 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000232728