NYC-WTC_000233539

NYC 9/11 Public Portal Document

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R02100400R02100400R021 00400 R02100400R02100400 Client ID: 10A 10A 10A Client ID: 11A 11A Lab Wo.; 039055 02 039055 02 039055 02 Lab Wo.;039056 02 039056 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Date Sampled: 02/10/09 02/10/09 Matrix: Matrix:

Component RDL Units TEF ‘ of Isomer RDL Units TEF

2,3,7,8-CI4DBro.14 pg 1.7 0.17 1.8 pg 2.6 0.26 2,3,7,8-CI4DBD.47 <0.47 <0.47 1.3 <1.3 <1.3 1,2,3,7,8-CI5DBR4 0.72 0.036 2.0 <2.0 <0.098 2,3,4,7,8-CI5DBfl4 1.1 0.55 1.9 <1.9 <0.95 1,2,3,7,8-CI5DBJ54 <0.54 <0.27 2.2 <2.2 <1.1 1,2,3,4,7,8-CI6(IIBF 2.0 0.20 1.0 <1.0 <0.10 1,2,3,6,7,8-CI6DBF <1.9 <0.19 1.0 <1.0 <0.10 2,3,4,6,7,8-CI6QlBff 2.4 0.24 1.2 <1.2 <0.12 1,2,3,7,8,9-CI6l2aF <2.3 <0.23 1.3 <1.3 <0.13 1,2,3,4,7,8-CI6(IIBD 1.3 0.13 2.1 <2.1 <0.21 1,2,3,6,7,8-016(260) 1.4 0.14 2.0 <2.0 <0.20 1,2,3,7,8,9-016018® 2.0 0.20 2.0 <2.0 <0.20 1,2,3,4,6,7,8-CWBBF <6.2 <0.062 1.8 <1.8 <0.018 1,2,3,4,7,8,9-CBBBF <3.3 <0.033 4.8 <4.8 <0.048 1,2,3,4,6,7,8-OirSeD 1.9 0.019 2.7 <2.7 <0.027 1,2,3,4,6,7,8,9«»DBF 4.2 0.0042 2.8 <2.8 <0.0028 1,2,3,4,6,7,8,9«WBD 12 0.012 4.7 5.0 0.0050

TEF pg 1.7 pg 0.27 MAX TEF <3.0 <4.9

ET4CDF 0.14 pg 2.5 2 1.8 pg 2.6 II EP5CDF 0.14 3.8 6 2.0 <2.0 EH6CDF 0.24 7.3 5 1.2 <1.2 ZH7CDF 26 <26 0 2.0 <2.0 OCDF 0.98 4.2 1 2.8 <2.8 ET4CDD 0.13 1.7 3 1.3 <1.3 EP5CDD 0.60 <0.60 0 2.2 <2.2 ZH6CDD 0.31 6.2 5 2.1 <2.1 ZH7CDD 0.34 3.8 2 2.7 <2.7 OCDD 0.66 12 1 4.7 5.0 Surrogate Recoveries % % 2,3,7,8-T4CDF-13C12 110 91 2,3,7,8-T4CDD-13C12 85 85 1,2,3,7,8-P5CDF-13C12 77 58 1,2,3,7,8-P5CDD-13C12 60 65 1,2,3,6,7,8-H6CDF-13C12 59 89 1,2,3,6,7,8-H6CDD-13C12 80 69 1,2,3,4,6,7,8-H7CDF-13C12 51 61 1,2,3,4,6,7,8-H7CDD-13012 90 64 OCDD-13C12 73 93

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CONFIDENTIAL, CITY_21MC100_003483996 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000233546