NYC-WTC_000232660

NYC 9/11 Public Portal Document

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4th 4th 4th Client ID: Floor-07 Floor-08 Floor-09 R03030259- -04A -05A -06A LabNo.: 009196 03 009197 03 009198 03 Date Sampled: 05-Mar-2003 05-Mar-2003 05-Mai--2003 Component MDL Units

Total Tetrachlorodibenzofurans pg 85 <1.7 31 Total Pentachlorodibenzofurans 66 <1.6 28 Total Hexachlorodibenzofurans 30 <1.8 14 Total Heptachlorodibenzofurans 2.9 2.3 4.2 Octachlorodibenzofuran 19 7.1 <11 Total Tetrachlorodibenzo-p-dioxins 120 <2.1 35 Total Pentachlorodibenzo-p-dioxins 30 <1.8 4.5 Total Hexachlorodibenzo-p-dioxins 57 <7.0 36 Total Heptachlorodibenzo-p-dioxins 53 20 36 Octachlorodibenzo-p-dioxin 160 56 100 Internal Recoveries % 2,3,7,8-T4CDF-13C12 93 86 84 2,3,7,8-T4CDD-13C12 101 94 97 1,2,3,7,8-P5CDF-13C12 88 93 89 1,2,3,7.8-P5CDD-13C12 79 86 80 1,2,3,4.7,8-H6CDF-13C12 107 105 106 1,2,3,6.7,8-H6CDD-13C12 91 99 98 1,2,3,4.6,7,8-H7CDF-13C12 106 111 113 1,2,3,4.6,7,8-H7CDD-13C12 97 105 109 OCDD-13C12 90 97 104

2,3,7,S-C14-Dibenzoihran (UB5) pg <21 <2.3 <8.1 2,3,7,8-C14-Dibenzo-p-dioxin <2.1 <2.1 <2.1 1,2,3,7,8-C15-Dibenzofuran 4.6 <1.6 <2.1 2,3,4,7.8-C15-Dibenzofiiran 6.0 <1.7 4.2 l,2,3,7,8-C15-Dibenzo-p-dioxin <2.1 <1.8 <2.0 1,2,3,4,7,8-C16-Dibenzofuran 8.9 <1.6 <2.8 1,2,3,6,7,8-C16-Dibenzofuran <4.8 <1.6 3.4 2,3,4,6.7,8-C16-Dibenzofuran 3.8 <1.9 2.5 1,2,3,7,8,9-C16-Dibenzofi]ran <2.7 <2.2 <2.5 1,2,3,4-7,8-C16-Dibenzo-p-dioxin <2.1 <1.9 <2 2 1,2,3,6,7,8-C16-Dibenzo-p-dioxin <2.3 <2.1 <2.5 l,2,3,7,8,9-C16-Dibenzo-p-dioxin <2.1 <2.0 <2.2 1,2,3,4.6,7,8-C17-Dibenzofuran <15 <3.5 <8.7 1,2,3,4,7,8,9-C17-Dibenzofuran <2.9 <2.4 <2.5 l,2,3,4,6,7,8-C17-Dibenzo-p-dioxin 23 8.0 16 1,2,3,4.6,7,8,9-C18-Dibenzofuran 19 7.1 <ll l,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 160 56 100

2,3,7,8-TCDF (DB225) pg 14 <4.9 <5.7 Internal Recoveries % 2,3,7,8-TCDF-13C12 82 75 78

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CITY_21MC100_009479034

NYC-WTC_000232666