NYC-WTC_000231878

NYC 9/11 Public Portal Document

LnDncn"nTninmJensn nNDenwo □R^o^mnannn.nBDonindn nintnaninincn"nin4EPnAnsn

10th 10 th 10 th nth Floor nth Floor 11th Floor Client ID: Floor-07 Floor-OS Floor-09 Down-07 Down-08 Down-09 R03030259. -22A -23A -24A -25A -26A -27A Lab No.: 009214 03 009215 03 009216 03 009217 03 009218 03 009219 03 late Sampled: 04-Mar-2003 04-Mar-2003 04-Mar-2003 04-Mar-2003 04-Mar-2003 04-Mar-2003 Component MDL Units

Total Tetrachlorodibenzofurai pg 160 <3.8 36 <2.9 90 43 Total Pentachlorodibenzofura 15 <5.2 <14 <4.2 21 68 Total Hexachlorodibenzofurai 12 <3.3 25 31 Total Heptachlorodibenzofura <14 <2.6 <15 <3.6 <14 <35 Octachlorodibenzofuran 16 <3.4 11 <4.5 12 19 Total Tetrachlorodibenzo-p-di 180 <7.9 62 <8.5 no 99 Total Pentachlorodibenzo-p-d 30 <6.2 30 <8.9 19 21 Total Hexachlorodibenzo-p-di <84 <29 8.4 <34 <59 22 Total Heptachlorodibenzo-p-d 17 5.1 27 3.7 14 61 Octachlorodibenzo-p-dioxin 85 15 49 15 68 97 Internal Recoveries % 2,3,7,8-T4CDF-13C12 59 74 73 64 77 56 2,3,7,8-T4CDD-13C12 71 104 96 88 105 72 1,2,3,7,8-P5CDF-13C12 65 84 82 67 87 66 1,2,3,7,8-P5CDD-13C12 71 88 86 72 92 74 1,2,3,4,7,8-H6CDF-13C12 73 107 91 86 99 74 1,2,3,6,7,8-H6CDD-13C12 72 108 94 85 97 75 1,2,3,4,6,7,8-H7CDF-13C12 68 115 98 88 101 73 1,2,3,4,6,7,8-H7CDD-13C12 70 117 104 93 109 76 OCDD-13C12 53 116 94 84 105 60

2,3,7,8-C14-DibenzofLiran (DI pg <37 <3.8 <23 <2.9 <22 <30 2,3,7,8-C14-Dibenzo-p-dioxin <5.8 <4.7 <4.6 <4.0 <4.0 <6.0 1,2,3,7,8-C15-Dibenzofuran <10.0 <5.2 <10 <4.1 <8.2 <9.4 2,3,4,7,8-C15-Dibenzofuran <10 <5.3 <10 <4.2 <8.3 15 l,2,3(7,8-C15-Dibenzo-p-diox <7.6 <6.2 <6.8 <8.9 <6.9 <8.8 1,2,3,4,7,8-C16-Dibenzofuran 11 <2.9 12 <1.9 7.8 19 1,2,3,6,7,8-C16-Dibenzofuran <5.2 <3.0 <4.9 <2.0 <3.4 <12 2,3,4,6,7,8-C16-Dibenzofuran <5.9 <3.5 <5.6 <2.3 <3.7 10 1,2,3,7,8,9-C16-Dibenzofuran <7.2 <4.2 <6.8 <2.8 <4.5 <6.7 l,2,3,4,7,8-C16-Dibenzo-i>dii <8.2 <5.0 <4.7 <4.6 <5.1 <5.4 l,2,3,6,7,8-C16-Dibcnzo-i>dii <8.7 <5.3 <5.1 <4.9 <5.4 <5.7 l,2,3,7,8,9-C16-Dibenzo-i>dii <8.1 <4.9 <4.7 <4.5 <5.0 1,2,3,4,6,7,8-Cl7-Dibenzofuri <2.3 <13 <3.1 <12 <30 1,2,3,4,7,8,9-Cl7-Dibenzofuri <7.0 <3.1 <5.3 <4.2 <2.9 <6.7 l,2,3,4,6,7,8-C17-Dibenzo-p-( <14 5.1 13 3.7 14 31 1,2,3,4,6,7,8,9-C18-Dibenzof 16 <3.4 11 <4.5 12 19 1,2,3,4,6,7,8,9-C18-Dibenzo-] 85 15 49 15 68 97

2,3,7,8-TCDF (DB225) pg 17 <3.5 13 <4.2 <11 19 Internal Recoveries % 2,3,7,8-TCDF-13C12 64 83 77 68 88 65

RncnininennDtOinPEhEininiOpn □Aannaninyntnincianin EsneDrOvOinc

CITY_DEP_WORBY_CANNATA_SUBP_000051835

NYC-WTC_000231883