NYC-WTC_000233539

NYC 9/11 Public Portal Document

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R02100400R02100400R021 00400 R02100400R02100400 Client ID: 19A 19A 19A Client ID: 20A 20A Lab Wo. .'339064 02 039064 02 039064 02 Lab No.;039065 02 039065 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.58 pg 7.5 0.75 0.20 pg 0.72 0.072 2,3,7,8-CI4DBD.49 1.5 1.5 0.37 <0.37 <0.37 1,2,3,7,8-CI5DBJ33 1.0 0.051 0.53 <0.53 <0.026 2,3,4,7,8-CI5DBJ77 <0.77 <0.39 0.51 <0.51 <0.25 1,2,3,7,8-CI5DBJ54 <0.54 <0.27 0.33 <0.33 <0.16 1,2,3,4,7,8-0160185 1.1 0.11 0.12 <0.12 <0.012 1,2,3,6,7,8-0160180 0.58 0.058 0.11 <0.11 <0.011 2,3,4,6,7,8-CI601BF <0.21 <0.021 0.13 <0.13 <0.013 1,2,3,7,8,9-01601 B0 <0.23 <0.023 0.14 <0.14 <0.014 1,2,3,4,7,8-0160160 <0.35 <0.035 0.32 <0.32 <0.032 1,2,3,6,7,8-CI60B© <0.33 <0.033 0.30 <0.30 <0.030 1,2,3,7,8,9-016062) <0.32 <0.032 0.29 <0.29 <0.029 1,2,3,4,6,7,8-CWDBF <4.3 <0.043 11 <11 <0.11 1,2,3,4,7,8,9-CBJDBF <3.0 <0.030 13 <13 <0.13 1,2,3,4,6,7,8-O(rEBD 8.7 0.087 0.32 <0.32 <0.0032 1,2,3,4,6,7,8,9-OIBDBF 1.9 0.0019 0.29 8.7 0.0087 1,2,3,4,6,7,8,9OBIDBD 26 0.026 1.7 <1.7 <0.0017

TEF pg 2.6 pg 0.081 MAX TEF <3.5 <1.3

ET4CDF 0.58 pg 39 11 0.20 pg 0.72 II EP5CDF 0.33 7.8 4 0.53 <0.53 EH6CDF 0.21 4.0 4 0.15 <0.15 ZH7CDF 2.8 <2.8 0 12 <12 OCDF 1.7 1.9 1 0.29 8.7 ET4CDD 0.49 30 7 0.37 <0.37 EP5CDD 0.54 10 4 0.33 <0.33 ZH6CDD 0.33 5.6 3 0.30 <0.30 ZH7CDD 0.52 18 2 0.32 <0.32 OCDD 0.64 26 1 1.7 <1.7 Surrogate Recoveries % % 2,3,7,8-T4CDF-13C12 89 95 2,3,7,8-T4CDD-13C12 76 86 1,2,3,7,8-P5CDF-13C12 94 97 1,2,3,7,8-P5CDD-13C12 93 93 1,2,3,6,7,8-H6CDF-13C12 84 89 1,2,3,6,7,8-H6CDD-13C12 87 90 1,2,3,4,6,7,8-H7CDF-13C12 98 101 1,2,3,4,6,7,8-H7CDD-13012 42 55 OCDD-13C12 83 83

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CONFIDENTIAL, CITY_21MC100_003484001 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000233551