NYC-WTC_000232660

NYC 9/11 Public Portal Document

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5th 5th 5th Client ID: Floor-07 Floor-08 Floor-09 R03030259- -07A -08A -09A LabNo.: 009199 03 009200 03 009201 03 Date Sampled: 05-Mai--2003 05-Mar-2003 05-Mai--2003 Component MDL Units

Total Tetrachlorodibenzofurans pg 100 <1.6 13 Total Pentachlorodibenzofurans 36 <2.2 27 Total Hexachlorodibenzofurans 17 <1.5 27 Total Heptachlorodibenzofurans <14 <3.8 5.6 Octachlorodibenzofuran 19 8.2 20 Total Tetrachlorodibenzo-p-dioxins 91 <2.0 24 Total Pentachlorodibenzo-p-dioxins 24 <1.7 20 Total Hexachlorodibenzo-p-dioxins 37 <2.7 49 Total Heptachlorodibenzo-p-dioxins 45 20 46 Octachlorodibenzo-p-dioxin 170 61 97 Internal Recoveries % 2,3,7,8-T4CDF-13C12 95 64 97 2,3,7,8-T4CDD-13C12 97 65 101 1,2,3,7,8-P5CDF-13C12 94 91 98 1,2,3,7.8-P5CDD-13C12 89 71 85 1,2,3,4.7,8-H6CDF-13C12 99 78 107 1,2,3,6,7,8-H6CDD-13C12 92 74 95 1,2,3,4.6,7,8-H7CDF-13C12 105 85 112 1,2,3,4.6,7,8-H7CDD-13C12 97 80 103 OCDD-13C12 90 66 99

2,3,7,8-C14-Dibenzoiuran (UB5) pg <17 <1.6 <6.6 2,3,7,8-C14-Dibenzo-p-dioxin <2.0 <2.3 1,2,3,7,8-C15-Dibenzofuran <2.9 <2.2 2,3,4,7.8-C15-Dibenzofiiran 5.4 <2.3 <3.8 l,2,3,7,8-C15-Dibenzo-p-dioxin <2.2 <1.7 <4.1 1,2,3,4,7,8-C16-Dibenzofuran <4.0 <1.4 7.0 1,2,3,6,7,8-C16-Dibenzofuran <3.2 <1.3 4.0 2,3,4,6.7,8-C16-Dibenzofuran <2.2 <1.5 3.0 1,2,3,7,8,9-C16-Dibenzofm'an <1.8 <1.8 <3.0 1,2,3,4-7,8-C16-Dibenzo-p-dioxin <1.6 <1.4 <2.3 1,2,3,6,7,8-C16-Dibenzo-p-dioxin 2.4 <1.6 <2.6 l,2,3,7,8,9-C16-Dibenzo-p-dioxin 2.8 <1.4 <2.3 1,2,3,4.6,7,8-C17-Dibenzofuran <13 <3.3 <15 1,2,3,4,7,8,9-C17-Dibenzofuran <2.9 <2.3 l,2,3,4,6,7,8-C17-Dibenzo-p-dioxin 22 8.8 20 1,2,3,4.6,7,8,9-C18-Dibenzofuran 19 8.2 20 l,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 170 61 97

2,3,7,8-TCDF (DB225) pg 11 <4.4 <2.9 Internal Recoveries % 2,3,7,8-TCDF-13C12 85 53 80

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CITY_21MC100_009479035

NYC-WTC_000232667