NYC-WTC_000233539

NYC 9/11 Public Portal Document

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R02100400R02100400R021 00400 R02100400R02100400R02100400 Client ID: 171^ 17A 17A Client ID: 18A 18A 18A Lab Wo.; 039062 02 039062 02 039062 02 Lab Wo. .-039363 02 039063 02 039063 02 •Sampled: 02/10/09 02/10/09 02/10/09 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix: Matrix:

Component Units TEF ■ of Isomer RDL Units TEF ■ of Isomer

2,3,7,8-CI4DBFpg <0.89 <0.089 4.7 pg <4.7 <0.47 2,3,7,8-CI4DBD " <1.5 <1.5 0.72 <0.72 <0.72 1,2,3,7,8-CI5DBF <1.2 <0.060 0.40 <0.40 <0.020 2.3.4.7.8-CI5DBF <1.2 <0.58 0.36 1.2 0.58 1.2.3.7.8-CI5DBD <1.9 <0.96 1.1 <1.1 <0.55 1,2,3,4,7,8-CI6DBF <1.1 <0.11 1.9 <1.9 <0.19 1,2,3,6,7,8-CI6DBF <1.1 <0.11 1.5 <1.5 <0.15 2,3,4,6,7,8-CI6DBF <1.3 <0.13 2.3 <2.3 <0.23 1,2,3,7,8,9-CI6DBF <1.4 <0.14 0.64 2.2 0.22 1,2,3,4,7,8-CI6DBD <2.5 <0.25 0.81 <0.81 <0.081 1,2,3,6,7,8-CI6DBD <2.4 <0.24 1.7 <1.7 <0.17 1,2,3,7,8,9-CI6DBD <2.3 <0.23 0.73 2.3 0.23 1,2,3,4,6,7,8-CI7DBF <2.7 <0.027 3.7 <3.7 <0.037 1.2.3.4.7.8,9-CI7DBF <3.1 <0.031 2.7 <2.7 <0.027 1,2,3,4,6,7,8-CI7DBD <1.4 <0.014 4.4 <4.4 <0.044 1,2,3,4,6,7,8,9-CI8DBF <3.4 <0.0034 1.4 11 0.011 1,2,3,4,6,7,8,9-CI8DBD <5.4 <0.0054 2.8 22 0.022

TEF pg 0 pg 1.1 MAX TEF <4.5 <3.7

ET4CDF pg <0.89 0 0.27 pg 11 9 II EP5CDF <1.2 0 0.4 2.7 2 EH6CDF <1.3 0 0.59 2.2 1 ZH7CDF <3.0 0 5.9 <5.9 0 OCDF <3.4 0 1.4 11 1 ET4CDD <1.5 0 0.47 23 3 EP5CDD <1.9 0 1.1 3.3 1 ZH6CDD <2.5 0 0.75 2.3 1 ZH7CDD <1.4 0 0.20 <0.20 0 OCDD <5.4 0 2.8 22 1 Surrogate Rec&veries % 2,3,7,8-T4CDF-13C12 69 94 2,3,7,8-T4CDD-13C12 73 85 1,2,3,7,8-P5CDF-13C12 49 79 1,2,3,7,8-P5CDD-13C12 51 68 1,2,3,6,7,8-H6CDF-13C12 75 95 1,2,3,6,7,8-H6CDD-13C12 80 71 1,2,3,4,6,7,8-H7CDF-13Cia7 81 1,2,3,4,6,7,8-H7CDD-13C121 67 OCDD-13C12 50 47

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CONFIDENTIAL, CITY_21MC100_003484000 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000233550