NYC-WTC_000232716

NYC 9/11 Public Portal Document

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R02100403 R02100403 R02100403 R02100403 Client ID: 01A 01A 01A Client ID: 02A Lab No.: 039^06 02 039106 02 039106 02 Lab No.: 039W7 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Date Sampled: 02/10/09 Matrix: Matrix:

Component RDL Units TEF ft of Isomers RDL Units

Dioxins and furans

2,3,7,8-CI4DBF 0.21 pg 2.6 0.26 0.30 pg 0.40 2,3,7,8-CI4DBD 0.52 <0.52 <0.52 0.38 <0.38 1,2,3,7,8-CI5DBF 0.62 <0.62 <0.031 0.54 <0.54 2,3,4,7,8-CI5DBF 0.41 <0.41 <0.20 0.52 <0.52 1.2.3.7.8-CI5DBD 0.48 <0.48 <0.24 0.66 <0.66 1,2,3,4,7,8-CI6DBF 0.57 <0.57 <0.057 0.39 <0.39 1,2,3,6,7,8-CI6DBF 0.53 <0.53 <0.053 0.36 <0.36 2,3,4,6,7,8-CI6DBF 0.62 <0.62 <0.062 0.42 <0.42 1,2,3,7,8,9-CI6DBF 0.68 <0.68 <0.068 0.46 <0.46 1,2,3,4,7,8-CI6DBD 0.39 <0.39 <0.039 0.28 <0.28 1,2,3,6,7,8-CI6DBD 0.36 <0.36 <0.036 0.26 <0.26 1,2,3,7,8,9-CI6DBD 0.35 <0.35 <0.035 0.26 <0.26 1,2,3,4,6,7,8-CI7DBF 7.4 <7.4 <0.074 110 <110 1,2,3,4,7,8,9-CI7DBF 8.5 <8.5 <0.085 130 <130 1,2,3,4,6,7,8-CI7DBD 0.64 1.7 0.017 0.68 <0.68 1,2,3,4,6,7,8,9-CI8DBF 0.42 1.5 0.0015 1.3 <1.3 1,2,3,4,6,7,8,9-CI8DBD 0.71 26 0.026 0.50 1.3

TEF pg 0.31 pg EPA Requested TEQs < 1.06 MAX TEF 1.8 Units Ng/m^ 0.11

ET4CDF 0.21 pg 10 8 0.30 pg 0.40 ZP5CDF 0.42 0.76 1 0.54 <0.54 ZH6CDF 0.57 <0.57 0 0.39 <0.39 ZH7CDF 7.9 <7.9 0 120 <120 OCDF 0.42 1.5 1 1.3 <1.3 ZT4CDD 0.53 8.9 3 0.38 <0.38 ZP5CDD 0.48 <0.48 0 0.66 <0.66 ZH6CDD 0.36 <0.36 0 0.26 <0.26 ZH7CDD 0.64 3.2 2 0.68 <0.68 OCDD 0.71 26 1 0.50 1.3 Surrogate Recoveries % % 2,3,7,8-T4CDF-13C12 84 94 2,3,7,8-T4CDD-13C12 76 88 1,2,3,7,8-P5CDF-13C12 82 91 1,2,3,7,8-P5CDD-13C12 85 96 1,2,3,6,7,8-H6CDF-13Ci; 76 81 1,2,3,6,7,8-H6CDD-13Ci; 75 84 1,2,3,4,6,7,8-H7CDF-13C 82 79 1,2,3,4,6,7,8-H7CDD-13C 93 92

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CONFIDENTIAL, CITY_21MC100_013182133 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000232721