Dioxin and furan analysis results, September 2002

NYC 9/11 Public Portal Document

10/16/02 PASC - Certificate ofAnalysis Page 3 of 5

R02090951 R02090951 R02090951 R02090951 R02090951 Client ID: 08A 09A lOA llA 12A Lab No.: 060274 02 060275 02 060276 02 060277 02 060278 02 Date Sampled: I2-Sep-2OO2 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 Apartment No. & Location 2S-H 2S-F 4N-W 4N-H 4N-F Component Units Unvalidated Unvalidated Unvalidated Unvalidated Total Tetrachlorodibenzofurans pg <1.7 Pending Pending Pending Pending Total Pentachlorodibenzofurans <1.7 Pending Pending Pending Pending Total Hexachlorodibenzofurans 1.8 Pending Pending Pending Pending Total Heptachlorodibenzofurans <3.8 Pending Pending Pending Pending Octachlorodibenzofuran <2.5 Pending Pending Pending Pending Total Tetrachlorodibenzo-p-dioxins <2.0 Pending Pending Pending Pending Total Pentachlorodibenzo-p-dioxins <2.6 Pending Pending Pending Pending Total Hexachlorodibenzo-p-dioxins 1.9 Pending Pending Pending Pending Total Heptachlorodibenzo-p-dioxins 4.2 Pending Pending Pending Pending Octachlorodibenzo-p-dioxin 12 Pending Pending Pending Pending Internal Recoveries % 2,3,7,8-T4CDF-13C12 71 Pending Pending Pending Pending 2,3,7.8-T4CDD-13C12 83 Pending Pending Pending Pending 1,2,3,7,8-P5CDF-13C12 70 Pending Pending Pending Pending 1,2,3,7,8-P5CDD-13C12 79 Pending Pending Pending Pending 1,2,3,4,7,8-H6CDF-13C12 90 Pending Pending Pending Pending 1,2,3,6.7,8-H6CDD-13C12 94 Pending Pending Pending Pending 1,2,3,4,6,7,8-H7CDF-13C12 92 Pending Pending Pending Pending 1,2,3,4,6,7,8-H7CDD-13C12 97 Pending Pending Pending Pending OCDD-13C12 114 Pending Pending Pending Pending

2,3,7,8-C14-Dibenzofuran (DBS) pg <1.7 Pending Pending Pending Pending 2,3,7,8-C14-Dibenzo-p-dioxin <2.0 Pending Pending Pending Pending 1,2,3,7,8-C15-Dibenzofuran <1.6 Pending Pending Pending Pending 2,3,4,7,8-C15-Dibenzofuran <1.8 Pending Pending Pending Pending 1,2,3,7,8-C15-Dibenzo-p-dioxin <2.6 Pending Pending Pending Pending 1,2,3,4,7,8-C16-Dibenzofuran •I 1.6 Pending Pending Pending Pending 1,2,3,6,7,8-C16-Dibenzofuran »l <0.86 Pending Pending Pending Pending 2,3,4,6,7,8-C16-Dibenzofuran «l <1.0 Pending Pending Pending Pending 1,2,3,7,8,9-C16-Dibenzofuran •I <1.2 Pending Pending Pending Pending 1,2,3,4,7,8-C16-Dibenzo-p-dioxin tl <1.4 Pending Pending Pending Pending 1,2,3,6,7,8-C16-Dibenzo-p-dioxin <1.4 Pending Pending Pending Pending 1,2,3,7,8,9-C16-Dibenzo-p-dioxin <1.3 Pending Pending Pending Pending 1,2,3,4,6,7,8-C17-Dibenzofuran <3.3 Pending Pending Pending Pending 1,2,3,4,7,8,9-C17-Dibenzofuran <4.6 Pending Pending Pending Pending l,2,3,4,6,7,8-CI7-Dibenzo-p-dioxin tl 4.2 Pending Pending Pending Pending 1,2,3,4,6,7,8,9-C18-Dibenzofuran tl <2.5 Pending Pending Pending Pending l,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 12 Pending Pending Pending Pending

2,3,7,8-TCDF (DB225) pg Pending Pending Pending Pending Pending Internal Recoveries % 2,3,7,8-TCDF-13C12 Pending Pending Pending Pending Pending

Client:Philip Analytical Services Inc Project:Misc.

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