NYC-WTC_000232660

NYC 9/11 Public Portal Document

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lOth lOth 10th Client ID: Floor-07 Floor-08 Floor-09 R03030259- -22A -23A -24A LabNo.: 009214 03 009215 03 009216 03 Date Sampled: 04-Mai--2003 04-Mai--2003 04-Mai--2003 Component MDI, Units

Total Tetrachlorodibenzofurans pg 160 <3.8 36 Total Pentachlorodibenzofurans 15 <5.2 <14 Total Hexachlorodibenzofurans 12 <3.3 25 Total Heptachlorodibenzofurans <14 <2.6 <15 Octachlorodibenzofuran 16 <3.4 11 Total Tetrachlorodibenzo-p-dioxins 180 <7.9 62 Total Pentachlorodibenzo-p-dioxins 30 <6.2 30 Total Hexachlorodibenzo-p-dioxins <84 <29 8.4 Total Heptachlorodibenzo-p-dioxins 17 5.1 27 Octachlorodibenzo-p-dioxin 85 15 49 Internal Recoveries % 2,3,7,8-T4CDF-13C12 59 74 73 2,3,7,8-T4CDD-13C12 71 104 96 1,2,3,7,8-P5CDF-13C12 65 84 82 1,2,3,7.8-P5CDD-13C12 71 88 86 1,2,3,4.7,8-H6CDF-13C12 73 107 91 1,2,3,6.7,8-H6CDD-13C12 72 108 94 1,2,3,4.6,7,8-H7CDF-13C12 68 115 98 1,2,3,4.6,7,8-H7CDD-13C12 70 117 104 OCDD-13C12 53 116 94

2,3,7,S-C14-Dibenzoiuran (UB5) pg <37 <3.8 <23 2,3,7,8-C14-Dibenzo-p-dioxin <5.8 <4.7 <4.6 1,2,3,7,8-C15-Dibenzofuran <10.0 <5.2 <10 2,3,4,7.8-C15-Dibenzofiiran <10 <5.3 <10 l,2,3,7,8-C15-Dibenzo-p-dioxin <7.6 <6.2 <6.8 1,2,3,4,7,8-C16-Dibenzofuran 11 <2.9 12 1,2,3,6,7,8-C16-Dibenzofuran <5.2 <3.0 <4.9 2,3,4,6.7,8-C16-Dibenzofuran <5.9 <3.5 <5.6 1,2,3,7,8,9-C16-Dibenzofm'an <7.2 <4.2 <6.8 1,2,3,4-7,8-C16-Dibenzo-p-dioxin <8.2 <5.0 <4.7 1,2,3,6,7,8-C16-Dibenzo-p-dioxin <8.7 <5.3 <5.1 l,2,3,7,8,9-C16-Dibenzo-p-dioxin <8.1 <4.9 <4.7 1,2,3,4.6,7,8-C17-Dibenzofuran <12 <2.3 <13 1,2,3,4,7,8,9-C17-Dibenzofuran <7.0 <3.1 l,2,3,4,6,7,8-C17-Dibenzo-p-dioxin <14 5.1 13 1,2,3,4.6,7,8,9-C18-Dibenzofuran 16 <3.4 11 l,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 85 15 49

2,3,7,8-TCDF (DB225) pg 17 <3.5 13 Internal Recoveries % 2,3,7,8-TCDF-13C12 64 83 77

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CITY_21MC100_009479040

NYC-WTC_000232672