NYC-WTC_000234595

NYC 9/11 Public Portal Document

LDUDCD"DTDiDmDeDsD aNDeDwa □RDoDmDaDnD,DBDoDlDdD □UtDaDlEiDcD"DlD4DPDADSD

R02090957 R02090957 R02090957 R02090957 R02090957 R02090957 Client ID: 13A 14A 15A 16A 17A 18A Lab No.: 060326 02 060327 02 060328 02 060329 02 060330 02 060331 02 late Sampled: 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 12-Sep-2002 Component Units

Total Tetrachlorodibenzofurai pg 2.8 17 170 5.9 36 90 Total Pentachlorodibenzofijra <3.5 39 40 <3.9 13 39 Total Hexachlorodibenzofurai <2.6 29 19 <1.2 5.4 20 Total Heptachlorodibenzofura <10 <18 <20 <1.8 <1.1 <2.0 Octachlorodibenzofuran <4.5 17 16 <3.1 <3.6 12 Total Tetrachlorodibenzo-p-di 5.7 83 160 21 30 86 Total Pentachlorodibenzo-p-d <2.0 65 37 5.7 <4.7 38 Total Hexachlorodibenzo-p-di <2.6 69 41 <13 <19 6.0 Total Heptachlorodibenzo-p-d 10 50 25 5.4 4.3 80 Octachlorodibenzo-p-dioxin 28 110 150 27 28 340 Internal Recoveries % 2,3,7,8-T4CDF-13C12 88 98 66 95 111 102 2,3,7,8-T4CDD-13C12 83 88 63 87 74 84 1,2,3,7.8-P5CDF-13C12 94 105 66 93 103 104 1,2,3,7.8-P5CDD-13C12 100 106 65 94 104 106 1,2,3.4,7,8-H6CDF-13C12 99 103 72 92 96 95 1,2,3,6.7,8-H6CDD-13C12 99 98 71 92 96 91 1,2,3,4.6,7,8-H7CDF-13C12 96 96 70 94 93 91 1,2,3.4,6,7,8-H7CDD-13C12 99 94 69 93 92 89 OCDD-13C12 93 96 70 81 81 79

2,3,7,8-C14-Dibenzofuran (DI pg <2.8 <11 <25 <3.4 11 17 2,3,7,8-C14-Dibenzo-p-dioxin <2.3 <2.8 <3.3 <3.6 <4.8 <3.3 1,2,3,7,8-C15-Dibenzofuran <3.4 <5.6 <4.6 <3.8 <5.5 <3.6 2,3,4,7,8-C15-Dibenzofuran <3.6 <8.4 <4.8 <4.1 <5.8 <4.4 l,2,3,7,8-C15-Dibenzo-p-diox <2.0 <3.5 <3.0 <3.7 <4.7 <4.9 1,2,3,4.7,8-C16-Dibenzoruran <2.4 9.3 7.9 <1.2 2.1 7.1 1,2,3,6.7,8-C16-Dibenzofuran <2.3 <6.1 <4.5 <0.98 <1.4 <2.8 2,3,4,6.7,8-C16-Dibenzofuran <2.7 7.0 <5.4 <1.8 <3.6 1,2,3,7,8,9-C16-Dibenzofuran <2.9 <2.9 <5.7 <1.4 <2.0 <4.0 1,2,3,4.7,8-C16-Dibenzo-i^di, <2.9 3.8 <3.2 <3.6 <3.8 <4.4 1,2,3,6.7,8-C16-Dibenzo-i>dii <2.6 4.2 <2.9 <2.6 <2.7 <3.3 1,2,3,7,8,9-C16-Dibeiizoi>di< <2.4 6.0 <2.6 <2.8 <3.0 <3.5 1,2,3,4.6,7,8-C17-Dibenzofur: <9.2 <16 <18 <1.6 <2.1 <15 1,2,3,4.7,8,9-C17-Dibenzofur^ <12 <20 <22 <2.1 <1.2 l,2,3,4,6,7,8-C17-Dibenzo-p-i 6.6 28 <23 5.4 4.3 41 1,2,3,4.6,7,8,9-C18-Dibenzofi <4.5 17 16 <3.1 <3.6 12 1,2,3,4.6,7,8,9-C18-Dibenzo-] 28 110 150 27 28 340

2,3,7,8-TCDF (DB225) pg <4.2 <3.1 <8.8 <4.1 <3.8 <3.9 Internal Recoveries % 2,3,7,8-TCDF-13C12 94 99 73 102 92 98

I'EQ based on Nato bactors pg 0.09 3.4 0.95 0.08 1.4 3.2

appropriate units i^ni’ 0.004 0.163 0.046 0.004 0.067 0.154

Rncninicennntn:npnhninininpn □AnnDaninyntnincDanin

CITY_21MC100_003246127

NYC-WTC_000234598