NYC-WTC_000231878

NYC 9/11 Public Portal Document

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Sth Sth Sth 9th 9th 9th Client ID: Floor-07 Floor-OS Floor-09 Floor-07 Floor-08 Floor-09 R03030259. -16A -17A -ISA -19A -20A -21A Lab No.: 009208 03 009209 03 009210 03 009211 03 009212 03 009213 03 late Sampled: 05-Mar-2003 05-Mar-2003 05-Mar-2003 05-Mar-2003 05-Mar-2003 05-Mar-2003 Component MDL Units

Total Tetrachlorodibenzofurai pg 30 <3.6 5.4 140 <2.7 100 Total Pentachlorodibenzofura 12 <3.3 <5.1 64 <2.7 54 Total Hexachlorodibenzofurai 6.9 <3.5 <4.0 36 <2.6 25 Total Heptachlorodibenzofura <9.1 <4.3 <8.6 <24 <2.4 <17 Octachlorodibenzofuran <4.3 <4.9 <7.1 5.9 <3.5 8.5 Total Tetrachlorodibenzo-p-di 50 <5.6 7.6 no <4.0 130 Total Pentachlorodibenzo-p-d 28 <7.3 <6.6 16 <7.0 28 Total Hexachlorodibenzo-p-di 6.2 <31 <5S 14 <3.5 10 Total Heptachlorodibenzo-p-d 12 <4.7 9.1 22 <4.9 33 Octachlorodibenzo-p-dioxin 44 9.9 33 120 9.8 52 Internal Recoveries % 2,3,7,8-T4CDF-13C12 77 69 74 73 65 78 2,3,7,8-T4CDD-13C12 102 91 95 90 86 102 1,2,3,7,8-P5CDF-13C12 86 77 81 79 72 83 1,2,3,7,8-P5CDD-13C12 92 81 87 83 82 94 1,2,3,4,7,8-H6CDF-13C12 101 91 98 78 92 91 1,2,3,6,7,8-H6CDD-13C12 100 93 99 77 94 90 1,2,3,4,6,7,8-H7CDF-13C12 93 93 96 76 89 87 1,2,3,4,6,7,8-H7CDD-13C12 98 96 96 76 94 92 OCDD-13C12 91 84 81 63 87 80

2,3,7,8-C14-DibenzofLiran (DI pg 12 <3.6 5.4 32 <2.7 31 2,3,7,8-C14-Dibenzo-p-dioxin <4.8 <3.6 <5.0 <4.9 <3.3 <4.3 1,2,3,7,8-C15-Dibenzofuran <6.4 <3.3 6.6 <2.7 <5.8 2,3,4,7,8-C15-Dibenzofuran <6.6 <3.3 <5.2 6.8 <2.7 9.3 l,2,3(7,8-C15-Dibenzo-p-diox <7.5 <7.3 <6.6 <7.6 <7.0 <7.3 1,2,3,4,7,8-C16-Dibenzofuran 6.0 <3.0 <3.4 13 <2.3 10 1,2,3,6,7,8-C16-Dibenzofuran <3.1 <3.1 <3.6 6.7 <2.4 2,3,4,6,7,8-C16-Dibenzofuran <3.6 <3.6 <4.1 <6.9 <2.7 <3.5 1,2,3,7,8,9-C16-Dibenzofuran <4.3 <4.4 <5.0 <8.4 <3.3 <4.3 l,2,3,4,7,8-C16-Dibenzo-i>dii <5.3 <6.6 <5.3 <4.2 <3.4 <5.1 l,2,3,6,7,8-C16-Dibcnzo-i>dii <5.6 <7.0 <5.6 <4.5 <3.6 <5.4 l,2,3,7,8,9-C16-Dibenzo-i>dii <5.2 <6.5 <5.2 <4.2 <5.0 1,2,3,4,6,7,8-C17-Dibenzofuri <7.9 <3.7 <7.4 <20 <2.1 <15 1,2,3,4,7,8,9-Cl7-Dibenzofuri <4.8 <5.1 <5.3 <7.1 <2.9 <4.0 l,2,3,4,6,7,8-C17-Dibenzo-p-( 12 <4.7 9.1 <18 <4.9 16 1,2,3,4,6,7,8,9-C18-Dibenzof <4.3 <4.9 <7.1 20 <3.5 8.5 1,2,3,4,6,7,8,9-C18-Dibenzo-] 44 9.9 33 120 9.8 52

2,3,7,8-TCDF (DB225) pg 7.1 <2.8 4.6 15 <2.4 16 Internal Recoveries % 2,3,7,8-TCDF-13C12 77 75 80 78 70 76

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CITY_DEP_WORBY_CANNATA_SUBP_000051834

NYC-WTC_000231882