NYC-WTC_000234498

NYC 9/11 Public Portal Document

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R02090951 R02090951 R02090951 R02090951 R02090951 R02090951 Client ID: lOA llA 12A 13A 14A 15A Lab No.: 060276 02 060277 02 060278 02 060279 02 060280 02 060281 02 late Sampled: 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 Component MDL Units

Total Tetrachlorodibenzofurai pg 970 180 170 <2.0 140 81 Total Pentachlorodibenzofijra 450 110 78 <2.7 95 64 Total Hexachlorodibenzofurai 250 45 45 <2.6 71 32 Total Heptachlorodibenzofura 35 11 11 <3.4 <27 16 Octachlorodibenzofuran 58 12 16 <5.1 22 18 Total Tetrachlorodibenzo-p-di 1700 230 170 6.6 190 130 Total Pentachlorodibenzo-p-d 290 130 56 <4.6 160 80 Total Hexachlorodibenzo-p-di 260 14 17 <13 120 47 Total Heptachlorodibenzo-p-d 190 90 80 5.0 77 58 Octachlorodibenzo-p-dioxin 730 350 320 13 240 200 Internal Recoveries % 2,3,7,8-T4CDF-13C12 93 87 92 86 94 78 2,3,7,8-T4CDD-13C12 80 80 85 81 88 86 1,2,3,7.8-P5CDF-13C12 88 82 84 79 85 77 1,2,3,7.8-P5CDD-13C12 95 88 87 85 93 80 1,2,3.4,7,8-H6CDF-13C12 95 90 85 86 88 81 1,2,3,6.7,8-H6CDD-13C12 93 93 88 87 91 85 1,2,3,4.6,7,8-H7CDF-13C12 85 86 80 78 82 73 1,2,3.4,6,7,8-H7CDD-13C12 88 91 85 87 90 82 OCDD-13C12 79 86 77 77 80 88

2,3,7,8-C14-Dibenzofuran (DI pg 140 28 21 <2.0 25 <17 2,3,7,8-C14-Dibenzo-p-dioxin <10 <3.4 <3.3 <3.2 <2.7 <2.4 1,2,3,7,8-C15-Dibenzofuran <12 <2.2 <6.1 <2.6 <5.7 6.3 2,3,4,7,8-C15-Dibenzofuran 31 13 8.0 <2.8 <13 6.5 l,2,3,7,8-C15-Dibenzo-p-diox <4.6 <3.5 <3.9 <4.6 1,2,3,4.7,8-C16-Dibenzoruran 50 15 11 <2.5 17 9.4 1,2,3,6.7,8-C16-Dibenzofuran 19 <7.0 <5.3 <2.1 7.8 <4.1 2,3,4,6.7,8-C16-Dibenzofuran 22 <7.2 7.8 <2.8 6.7 <3.5 1,2,3,7,8,9-C16-Dibenzofuran <8.0 <3.7 <4.3 <3.0 <5.8 <3.7 1,2,3,4.7,8-C16-Dibenzo-i^di, <3.5 <4.0 <6.2 <16 <6.3 <3.2 1,2,3,6.7,8-C16-Dibenzo-i>dii 9.7 4.4 <4.4 <12 <4.5 <2.9 1,2,3,7,8,9-C16-Dibeiizoi>di< 10 <5.3 <4.8 <13 <5.6 <2.6 1,2,3,4.6,7,8-C17-Dibenzofur: <68 <24 <23 <2.9 <24 <21 1,2,3,4.7,8,9-C17-Dibenzofur^ 19 <8.5 <5.2 <3.9 <32 <5.4 l,2,3,4,6,7,8-C17-Dibenzo-p-i 100 47 40 5.0 42 32 1,2,3,4.6,7,8,9-C18-Dibenzofi 58 12 16 <5.1 22 18 1,2,3,4.6,7,8,9-C18-Dibenzo-] 730 350 320 13 240 200

2,3,7,8-TCDF (DB225) pg 37 <9.8 <6.7 <8.9 8.1 <4.6 Internal Recoveries % 2,3,7,8-TCDF-13C12 87 86 93 94 94 94

i'EQ based on Nato bactors pg 42.1 11.9 8.7 0.06 6.4 5.04

TEQ's converted into appropriate units iiy/iir 2.021 0.571 0.418 0.003 0.307 0.242 (a 209 cm’ area was wiped)

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CITY_21MC100_003221032

NYC-WTC_000234501