NYC-WTC_000220335

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis R02100402 R02100402 R02100402 Client ID: OSA 08A 08A Lab No.: 039093 02 039093 02 039093 02 Date Sampled: 02/10/09 02/10/09 02/10/09 Matrix:

Component RDL Units TEF # of Isomers

Dioxins and furans

2,3,7,8-CI4DBF 0.18 pg 2.7 0.27 2,3,7,8-CI4DBD 0.42 <0.42 <0.42 1,2,3,7,8-CI5DBF 0.55 <0.55 <0.027 2,3,4,7,8-CI5DBF 0.61 <0.61 <0.30 1,2,3,7,8-CI5DBD 6.3 <6.3 <3.2 1,2,3,4,7,8-CI6DBF 0.21 0.43 0.043 1.2,3,6,7,8-CI6DBF 0.19 0.28 0.028 2,3,4,6,7,8-CI6DBF 0.66 <0.66 <0.066 1,2,3,7,8,9-CI6DBF 0.66 <0.66 <0.066 1,2,3,4,7,8-CI6DBD 1.1 <1.1 <0.11 1,2,3,6,7,8-CI6DBD 0.98 <0.98 <0.098 1,2,3,7,8,9-CI6DBD 1.2 <1.2 <0.12 1,2,3,4,6,7,8-CI7DBF 490 <490 <4.9 1,2,3,4,7,8,9-CI7DBF 28 <28 <0.28 1,2.3,4,6,7,8-CI7DBD 0.41 42 0.42 II 1,2,3,4,6,7,8,9-CI8DBF 0.21 2.4 0.0024 1,2,3,4,6,7,8,9-CI8DBD 0.48 430 0.43

TEF pg 1.2 EPA Requested TEQ < 6.10 MAX TEF 11 Units Ng/m^ 0.61

ZT4CDF 0.18 pg 5.8 7 ZP5CDF 0.50 0.70 1 SH6CDF 0.21 1.8 3 SH7CDF 26 <26 0 OCDF 0.21 2.4 1 LT4CDD 0.27 0.43 1 ZP5CDD 6.3 6.4 1 ZH6CDD 0.57 3.3 2 ZH7CDD 0.41 75 2 OCDD 0.48 II 430 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 92 2,3,7,8-T4CDD-13C12 92 1,2,3,7,8-P5CDF-13C12 93 1,2,3,7,8-P5CDD-13C12 97 1.2,3,6,7,8-H6CDF-13C12 86 1.2,3,6,7,8-H6CDD-13C12 88 1,2,3,4,6,7,8-H7CDF-13C12 99 1,2,3,4,6,7,8-H7CDD-13C12 100 OCDD-13C12 72

Certificate No:2J0575 file # =R02100402 TEQ Report nh Page 8 of 20 Revision No. 0

CITY_21MC100_002917313

NYC-WTC_000220336