NYC-WTC_000233539

NYC 9/11 Public Portal Document

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R02100400R02100400R021 00400 R02100400R02100400R02100400 Client ID: 08A OSA OSA Client ID: 09A 09A 09A Lab Wo.; 039053 02 039053 02 039053 02 Lab No.:03905^ 02 039054 02 039054 02 •Sampled: 02/-\0/09 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 <1.6 <0.16 0.32 pg 3.1 0.31 2,3,7,8-CI4DBD " <0.36 <0.36 0.78 <0.78 <0.78 1,2,3,7,8-CI5DBF 0.65 0.033 0.31 <0.31 <0.015 2.3.4.7.8-CI5DBF <0.31 <0.16 0.24 0.69 0.35 1.2.3.7.8-CI5DBD <0.41 <0.20 0.81 <0.81 <0.41 1,2,3,4,7,8-CI6DBF <0.55 <0.055 1.0 <1.0 <0.10 1,2,3,6,7,8-CI6DBF <0.55 <0.055 1.0 <1.0 <0.10 2,3,4,6,7,8-CI6DBF <0.63 <0.063 1.2 <1.2 <0.12 1,2,3,7,8,9-CI6DBF <0.70 <0.070 1.3 <1.3 <0.13 1,2,3,4,7,8-CI6DBD <0.45 <0.045 0.53 <0.53 <0.053 1,2,3,6,7,8-CI6DBD <0.43 <0.043 0.50 <0.50 <0.050 1,2,3,7,8,9-CI6DBD <0.42 <0.042 0.49 <0.49 <0.049 1,2,3,4,6,7,8-CI7DBF <16 <0.16 14 <14 <0.14 1.2.3.4.7.8,9-CI7DBF <18 <0.18 1.4 <1.4 <0.014 1,2,3,4,6,7,8-CI7DBD <1.3 <0.013 1.0 2.5 0.025 1,2,3,4,6,7,8,9-CI8DBF <1.1 <0.0011 0.86 4.2 0.0042 1,2,3,4,6,7,8,9-CI8DBD <3.9 <0.0039 1.0 30 0.030

TEF pg 0.033 pg 0.71 MAX TEF <1.6 <2.7

ET4CDF pg <0.27 0 0.32 pg 6.8 5 II EP5CDF 0.65 1 0.31 1.3 2 EH6CDF <0.63 0 1.0 <1.0 0 ZH7CDF <17 0 16 <16 0 OCDF <1.1 0 0.86 4.2 1 ET4CDD <0.36 0 0.53 0.70 1 EP5CDD 0.63 1 0.81 <0.81 0 ZH6CDD <0.45 0 0.53 3.5 1 ZH7CDD <1.3 0 1.0 5.5 2 OCDD <3.9 0 1.0 30 1 Surrogate Rec&veries % 2,3,7,8-T4CDF-13C12 86 97 2,3,7,8-T4CDD-13C12 82 77 1,2,3,7,S-P5CDF-13C12 71 73 1,2,3,7,8-P5CDD-13C12 65 64 1,2,3,6,7,8-H6CDF-13C12 48 69 1,2,3,6,7,8-H6CDD-13C12 75 80 1,2,3,4,6,7,8-H7CDF-13C127 59 1,2,3,4,6,7,8-H7CDD-130182 76 OCDD-13C12 67 52

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CONFIDENTIAL, CITY_21MC100_003483995 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000233545