NYC-WTC_000232676

NYC 9/11 Public Portal Document

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R02090951 R02090951 R02090951 Client ID: 07A OSA 09A Lab No.: 060273 02 060274 02 060275 02 Date Sampled: 12-Sep-2002 12-Sep-2002 12-Sep-2002 Apartment No. & Location 2S-W 2S-H 2S-F Component Units Unvalidated Total Tetrachlorodibenzofurans pg <1.7 <1.7 Pending Total Pentachlorodibenzoliirans <1.6 <1.7 Pending Total Hexachlorodibenzofurans <1.1 1.8 Pending Total Heptachlorodibenzofurans <3.8 Pending Octachlorodibenzofuran 4.2 Pending Total Tetrachlorodibenzo-p-dioxins <2.0 Pending Total Pentachlorodibenzo-p-dioxins <2.9 <2.6 Pending Total Hexachlorodibenzo-p-dioxins <3.7 1.9 Pending Total Heptachlorodibenzo-p-dioxins <2.0 4.2 Pending Octachlorodibenzo-p-dioxin 8.6 12 Pending Internal Recoveries % 2,3,7,8-T4CDF-13C12 75 71 Pending 2,3,7,8-T4CDD-13C12 92 83 Pending 1,2,3,7,8-P5CDF-13C12 83 70 Pending 1,2,3,7.8-P5CDD-13C12 91 79 Pending 1,2,3,4.7,8-H6CDF-13C12 96 90 Pending 1,2,3,6.7,8-H6CDD-13C12 95 94 Pending 1,2,3,4.6,7,8-H7CDF-13C12 97 92 Pending 1,2,3,4.6,7,8-H7CDD-13C12 97 97 Pending OCDD-13C12 112 114 Pending

2,3,7,S-C14-Dibenzotnran (UB5) pg <1.7 <1.7 Pending 2,3,7,8-C14-Dibenzo-p-dioxin <1.3 <2.0 Pending 1,2,3,7,8-C15-Dibenzofuran <1.5 <1.6 Pending 2,3,4,7.8-C15-Dibenzofiiran <1.6 <1.8 Pending l,2,3,7,8-C15-Dibenzo-p-dioxin <2.9 <2.6 Pending 1,2,3,4,7,8-C16-Dibenzofuran <0.97 1.6 Pending 1,2,3,6,7,8-C16-Dibenzofuran <0.99 <0.86 Pending 2,3,4,6.7,8-C16-Dibenzofuran <1.2 <1.0 Pending 1,2,3,7,8,9-C16-Dibenzofuran <1.4 <1.2 Pending 1,2,3,4-7,8-C16-Dibenzo-p-dioxin <1.6 <1.4 Pending 1,2,3,6,7,8-C16-Dibenzo-p-dioxin <1.6 <1.4 Pending l,2,3,7,8,9-C16-Dibenzo-p-dioxin <1.6 <1.3 Pending 1,2,3,4.6,7,8-C17-Dibenzofuran <3.2 <3.3 Pending 1,2,3,4,7,8,9-C17-Dibenzofuran <4.5 <4.6 Pending l,2,3,4,6,7,8-C17-Dibenzo-p-dioxin 4.2 Pending 1,2,3,4.6,7,8,9-C18-Dibenzofuran 4.2 Pending l,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 8.6 12 Pending

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

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CITY_21MC100_0 09482552

NYC-WTC_000232682