NYC-WTC_000233964

NYC 9/11 Public Portal Document

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R02090957 R02090957 R02090957 R02090957 R02090957 R02090957 Client ID: OlA 02A 03A 04A OSA 06A Lab No.: 060285 02 060286 02 060287 02 060288 02 060289 02 060290 02 Date Sampled: 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 Component Units

Total Tetrachlorodibenzofurai pg 100 270 150 860 160 69 Total Pentachlorodibenzofijra 250 97 65 720 77 19 Total Hexachlorodibenzofurai 70 32 20 350 33 9.7 Total Heptachlorodibenzofura 13 <20 <15 32 <13 Octachlorodibenzofuran 17 13 13 41 7.9 6.7 Total Tetrachlorodibenzo-p-di 940 310 150 1200 160 89 Total Pentachlorodibenzo-p-d 370 130 28 1400 9.6 23 Total Hexachlorodibenzo-p-di 110 55 29 670 18 5.1 Total Heptachlorodibenzo-p-d 74 66 58 200 59 38 Octachlorodibenzo-p-dioxin 290 230 220 550 140 210 Internal Recoveries % 2,3,7,8-T4CDF-13C12 86 83 85 87 94 106 2,3,7,8-T4CDD-13C12 91 85 85 91 82 91 1,2,3,7.8-P5CDF-13C12 90 88 90 76 102 119 1,2,3,7.8-P5CDD-13C12 93 92 94 80 99 118 1,2,3.4,7,8-H6CDF-13C12 91 83 90 95 92 98 1,2,3,6.7,8-H6CDD-13C12 96 88 92 93 87 94 1,2,3,4.6,7,8-H7CDF-13C12 85 81 85 86 89 93 1,2,3.4,6,7,8-H7CDD-13C12 88 87 90 93 87 89 OCDD-13C12 93 88 97 100 76 81

2,3,7,8-C14-Dibenzofuran (DI pg <70 <42 <21 <170 <25 13 2,3,7,8-C14-Dibenzo-p-dioxin <2.8 <3.2 6.9 <3.3 1,2,3,7,8-C15-Dibenzofuran <14 <5.9 <3.3 37 <5.2 2,3,4,7,8-C15-Dibenzofuran <19 9.8 6.9 <68 <1.6 <5.5 l,2,3,7,8-C15-Dibenzo-p-diox <4.0 <2.6 <2.6 <17 <1.1 <2.9 1,2,3,4.7,8-C16-Dibenzoruran 19 10 7.9 83 9.6 5.9 1,2,3,6.7,8-C16-Dibenzofuran 7.4 <3.5 <3.7 31 <4.6 3.1 2,3,4,6.7,8-C16-Dibenzofuran 7.0 <4.2 <4.4 30 4.0 <2.5 1,2,3,7,8,9-C16-Dibenzofuran <3.5 <4.4 <4.7 3.3 <3.8 <1.9 1,2,3,4.7,8-C16-Dibenzo-i^di, <5.2 <4.7 <6.9 9.0 <4.8 1,2,3,6.7,8-C16-Dibenzo-i>dii <4.7 <4.2 <6.2 17 <3.5 1,2,3,7,8,9-C16-Dibeiizoi>di< <4.3 <3.8 25 <3.8 <2.7 1,2,3,4.6,7,8-C17-Dibenzofur: <19 <18 <14 <77 <13 <11 1,2,3,4.7,8,9-C17-Dibenzofur^ <11 <23 <17 <1.8 <6.2 <1.6 l,2,3,4,6,7,8-C17-Dibenzo-p-i 40 34 32 100 <3.3 38 1,2,3,4.6,7,8,9-C18-Dibenzofi 17 13 13 41 7.9 6.7 1,2,3,4.6,7,8,9-C18-Dibenzo-] 290 230 220 550 140 210

2,3,7,8-TCDF (DB225) pg 10 5.4 4.4 27 <6.1 <4.1 Internal Recoveries % 2,3,7,8-TCDF-13C12 97 90 92 100 90 96

TEQ based on Nato Factors 13 10 9.3 55 6.2 6.3

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CITY_21MC100_003235894

NYC-WTC_000233965