NYC-WTC_000231878

NYC 9/11 Public Portal Document

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6th 6th 6th 7th 7th 7th Client ID: Floor-07 Floor-OS Floor-09 Floor-07 Floor-08 Floor-09 R03030259. -lOA -llA -12A -13A -14A -15A Lab No.: 009202 03 009203 03 009204 03 009205 03 009206 03 009207 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 76 7.4 7.5 24 <2.1 <3.1 Total Pentachlorodibenzofura 25 <3.1 10 11 <3.2 <3.6 Total Hexachlorodibenzofurai 18 2.9 8.3 7.8 <1.7 <2.3 Total Heptachlorodibenzofura <13 <7.0 <7.4 3.7 2.2 <3.0 Octachlorodibenzofuran 29 10.0 11 12 7.3 <4.7 Total Tetrachlorodibenzo-p-di 62 14 27 36 3.3 <4.6 Total Pentachlorodibenzo-p-d 17 3.5 <14 26 <2.7 <4.8 Total Hexachlorodibenzo-p-di 33 3.2 14 14 2.8 Total Heptachlorodibenzo-p-d 41 32 24 27 17 <5.6 Octachlorodibenzo-p-dioxin 120 84 73 86 55 13 Internal Recoveries % 2,3,7,8-T4CDF-13C12 96 94 83 102 84 69 2,3,7,8-T4CDD-13C12 103 107 99 112 105 92 1,2,3,7,8-P5CDF-13C12 94 101 84 100 86 74 1,2,3,7,8-P5CDD-13C12 80 88 70 85 79 78 1,2,3,4,7,8-H6CDF-13C12 109 118 107 111 112 105 1,2,3,6,7,8-H6CDD-13C12 99 106 95 100 102 99 1,2,3,4,6,7,8-H7CDF-13C12 110 123 108 108 112 99 1,2,3,4,6,7,8-H7CDD-13C12 100 112 99 96 105 101 OCDD-13C12 87 100 88 75 95 102

2,3,7,8-C14-DibenzofLiran (DI pg <14 <4.5 <8.2 <2.1 2,3,7,8-C14-Dibenzo-p-dioxin <2.9 <2.7 <2.5 <2.4 <4.6 1,2,3,7,8-C15-Dibenzofuran <3.8 <3.0 <3.2 <2.6 <3.2 <3.5 2,3,4,7,8-C15-Dibenzofuran <4.0 <3.1 2.9 <3.6 l,2,3(7,8-C15-Dibenzo-p-diox <4.8 <2.9 <3.1 <2.7 <4.8 1,2,3,4,7,8-C16-Dibenzofuran 6.1 <1.7 3.2 3.7 <2.0 1,2,3,6,7,8-C16-Dibenzofuran 3.9 <1.7 <1.7 <2.0 2,3,4,6,7,8-C16-Dibenzofuran <2.8 <2.0 1.9 <1.8 <1.7 <2.4 1,2,3,7,8,9-C16-Dibenzofuran <3.3 <2.0 <2.1 <2.1 <2.8 l,2,3,4,7,8-C16-Dibenzo-i>dii <2.5 <2.0 <2.4 <2.1 <1.9 l,2,3,6,7,8-C16-Dibcnzo-i>dii <2.8 <2.3 <2.7 <2.1 <5.6 l,2,3,7,8,9-C16-Dibenzo-i>dii <2.6 <2.1 <2.5 <2.1 <1.9 <5.2 1,2,3,4,6,7,8-C17-Dibenzofuri <11 <6.2 <6.5 <6.5 <2.4 <2.6 1,2,3,4,7,8,9-Cl7-Dibenzofuri <3.6 <2.6 <3.1 <2.9 <2.2 <3.5 l,2,3,4,6,7,8-C17-Dibenzo-p-( 17 16 10 11 7.5 <5.6 1,2,3,4,6,7,8,9-C18-Dibenzof 29 10.0 11 12 7.3 <4.7 1,2,3,4,6,7,8,9-C18-Dibenzo-] 120 84 73 86 55 13

2,3,7,8-TCDF (DB225) pg <7.2 <6.1 <3.9 <5.3 <2.5 <4.0 Internal Recoveries % 2,3,7,8-TCDF-13C12 79 83 78 86 85 73

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CITY_DEP_WORBY_CANNATA_SUBP_000051833

NYC-WTC_000231881