Permit application for interior cleaning, 125 Liberty Street, August 2002

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis R02100400 R02100400 R02100400 Client ID: 13A 13A 13A Lab No.: 039058 02 039058 02 039058 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-C14DBF 1.3 pg <1.3 <0.13 2,3,7,8-C14DBD 1.1 <1.1 <1.1 1,2,3,7,8-CI5DBF 0.99 " <0.99 <0.050 2,3,4,7,8-C15DBF 0.96 <0.96 <0.48 1,2,3,7,8-CI5DBD 3.8 <3.8 <1.9 1,2,3,4,7,8-C16DBF 1.5 <1.5 <0.15 1,2,3,6,7,8-C16DBF 1.4 <1.4 <0.14 2,3,4,6,7,8-C16DBF 1.6 <1.6 <0.16 1,2,3,7,8,9-CI6DBF 1.8 <1.8 <0.18 1,2,3,4,7,8-CI6DBD 0.59 " <0.59 <0.059 1,2,3,6,7,8-CI6DBD 0.56 " <0.56 <0.056 1,2,3,7,8,9-CI6DBD 0.54 " <0.54 <0.054 1,2,3,4,6,7,8-C17DBF 5.2 " <5.2 <0.052 1,2,3,4,7,8,9-C17DBF 6.0 " <6.0 <0.060 1,2,3,4,6,7,8-CI7DBD 1.2 " <1.2 <0.012 1,2,3,4,6,7,8,9-CI8DBF 1.3 " <1.3 <0.0013 1,2,3,4,6,7,8,9-CI8DBD 0.85 4.5 0.0045

TEF pg 0.0045 MAX TEF <4.6

ET4CDF 1.3 pg <1.3 0 EP5CDF 0.99 <0.99 0 EH6CDF 1.5 " <1.5 0 EH7CDF 5.8 <5.8 0 OCDF 1.3 " <1.3 0 ET4CDD 1.1 " 1.9 1 EP5CDD 3.8 " <3.8 0 EH6CDD 0.56 <0.56 0 EH7CDD 1.2 <1.2 0 OCDD 0.85 4.5 1 Surrogate Recoveries 2,3,7,8-T4CDF-13C12 80 2,3,7,8-T4CDD-13C12 83 1,2,3,7,8-P5CDF-13C12 69 1,2,3,7,8-P5CDD-13C12 67 1,2,3,6,7,8-H6CDF-13C12 77 1,2,3,6,7,8-H6CDD-13C12 90 1,2,3,4,6,7,8-H7CDF-13C12 88 1,2,3,4,6,7,8-H7CDD-13C12 99 OCDD-13C12 94

Certificate No:2J0573 file # =R02100400 prelim report nh Page 13 of 20 Revision No. 0

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