NYC-WTC_000220331

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis R02100402 R02100402 R02100402 Client ID: 03A 03A OSA Lab No.: 039088 02 039088 02 039088 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 0.13 pg 2.2 0.22 2,3,7,8-CI4DBD 0.37 <0.37 <0.37 1,2,3,7.8-CI5DBF 0.33 <0.33 <0.016 2,3,4,7,8-CI5DBF 0.25 0.48 0.24 1,2,3,7,8-CI5DBD 0.65 <0.65 <0.33 1,2,3,4.7.8-CI6DBF 0.19 <0.19 <0.019 1,2,3,6,7,8-CI6DBF 0.18 <0.18 <0.018 2,3,4,6,7,8-CI6DBF 0.21 <0.21 <0.021 1,2,3,7,8,9-CI6DBF 0.23 <0.23 <0.023 II 1,2,3,4.7,8-CI6DBD 0.23 <0.23 <0.023 1,2,3,6,7,8-CI6DBD 0.21 <0.21 <0.021 1.2.3,7,8.9-CI6DBD 0.21 <0.21 <0.021 1,2,3,4,6,7,8-CI7DBF 0.68 <0.68 <0.0068 1.2,3,4,7,8,9-CI7DBF 1.5 <1.5 <0.015 1,2,3,4,6,7,8-CI7DBD 0.21 0.44 0.0044 1.2.3,4,6,7,8,9-CI8DBF 0.38 <0.38 <0.00038 1,2,3,4,6,7,8,9-CI8DBD 0.27 3.0 0.0030

TEF pg 0.46 EPA Requested TEQ 0.88 M/KX TEF 1.3 Units Ng/m^ 0.09

ST4CDF 0.13 pg 5.5 6 ZP5CDF 0.26 1.6 3 SH6CDF 0.19 <0.19 0 ZH7CDF 1.4 <1.4 0 OCDF 0.38 <0.38 0 ST4CDD 0.37 3.9 2 LP5CDD 0.65 1.9 2 SH6CDD 0.21 <0.21 0 LHyCDD 0.21 0.44 1 OCDD 0.27 3.0 1 Surrogate Recoveries % 2,3,7,8-T4CDF-13C12 85 2.3,7,8-T4CDD-13C12 84 1,2,3,7,8-P5CDF-13C12 87 1,2,3.7,8-P5CDD-13C12 92 1,2,3,6,7,8-H6CDF-13C12 87 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 98 OCDD-13C12 78

Certificate No:2J0575 file# =R02100402TEQ Report nh Page 3 of 20 Revision No. 0

CITY_21MC100_002917308

NYC-WTC_000220331