NYC-WTC_000232802

NYC 9/11 Public Portal Document

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R02090951 R02090951 R02090951 Client ID: 04A 05A 06A Lab No.: 060270 02 060271 02 060272 02 Date Sampled: 12-Sep-2002 12-Se.p-2002 12-Sep-2002 Component MDL Units

Total Tetrachlorodibenzofurans pg <1.9 <2.0 5.8 Total PenLachlorodibenzofurans <1.9 <3.4 Total Hexachlorodibenzofurans <1.5 <1.2 2.5 Total Heptaehlorodibenzofurans <1.9 <1.8 11 Octachlorodibenzofuran 9.6 Total Tetrachlorodibenzo-p-dioxins <3.7 <3.4 20 Total Pentachlorodibenzo-p-dioxins <3.4 <5.8 <3.4 Total Hexachlorodibenzo-p-dioxins <8.0 <11 1.7 Total Heptachlorodibenzo-p-dioxins <3.3 7.0 9.8 Octachlorodibenzo-p-dioxin 16 13 68 Internal Recoveries % 2,3,7,8-T4CDF-13C12 65 81 72 2,3,7,8-T4CDD-13C12 73 85 85 1,2,3,7.8-P5CDF-13C12 60 86 67 1,2,3.7,8-P5CDD-13C12 67 96 76 1,2,3,4.7,8-H6CDF-13C12 79 96 86 1,2,3,6.7,8-H6CDD-13C12 77 94 90 1,2,3,4.6,7,8-H7CDF-13C12 85 97 92 1,2,3,4.6,7,8-H7CDD-13C12 82 91 93 OCDD-13C12 100 115 104

2,3,7,8-C14-Dibenzo&ran (DB5) pg <1.9 <2.0 4.0 2,3,7,8-CI4-Dibenzo-p-dioxin <2.5 <1.3 1,2,3,7.8-C15-Dibenzofuran <1.8 <3.2 2,3,4,7,8-C15-Dibenzofuran <1.9 <3.5 <1.6 l,2,3,7-8-C15-Dibenzo-p-dioxin <3.4 <3.0 <2.8 1,2,3,4.7,8-C16-Dibe.nzofuran <1.1 <0.92 1,2,3,6,7,8-C16-Dibenzofuran <1.4 <1.1 <0.94 2,3,4,6,7,8-C16-Dibenzofuran <1.6 <1.3 <1.1 1,2,3,7,8,9-C16-Dibenzofuran <2.0 <1.6 <1.4 l,2,3,4,7,8-C16-Dibenzo-j>dioxin <3.2 <3.3 <1.2 1,2,3,6,7,8-C16-Dibenzo-p-dioxin <3.1 <3.3 <1.2 l,2,3,7,8,9-C16-Dibenzo-p-dioxin <3.1 <3.2 <1.2 1,2,3,4,6,7,8-C17-Dibenzofuran <1.6 <1.5 5.0 1,2,3,4.7,8,9-C17-Dibenzofuran <2.3 <2.2 <2.2 1,2,3,4,6,7,8-C17-Dibenzo-p-dioxin <3.3 4.7 9.8 1,2,3,4,6,7,8,9-C18-Dibenzofuran 9.6 1,2,3,4.6,7,8,9-C18-Dibenzo-p-di oxin 16 13 68

2,3,7,8-TCDF (DB225) pg <5.7 Internal Recoveries % 2,3,7,8-TCDF-13C12 96

TEQ based on Nato Factors pg 3.7 3.9 2.7

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CITY_21MC100_009479980

NYC-WTC_000232807