NYC 9/11 Public Portal Document
*3/26/2003 PASC- Certificate ofAnalysis Page 7 of 8
10th 10th 11th Floor 11th Floor
Client ID: Floor-08 Floor-09 Down-07 Down-08
R03030259- -23A -24A -25A -26A
Lab No.: 009215 03 009216 03 009217 03 009218 03
Date Sampled: 04-Mar-2003 04-Mar-2003 04-Mar-2003 04-Mar-2003
Component MDL Units
Total Tetrachlorodibenzofurans pg <3.8 36 <2.9 90
Total Pentachlorodibenzofurans <5.2 <14 <4.2 21
Total Hexachlorodibenzofurans <3.3 25 <2.2 22
Total Heptachlorodibenzofurans <2.6 <15 <3.6 <14
R
Octachlorodibenzofuran <3.4 II <4.5 12
n
Total Tetrachlorodibenzo-p-dioxins <7.9 62 <8.5 110
R
Total Pentachlorodibenzo-p-dioxins <6.2 30 <8.9 19
n
Total Hexachlorodibenzo-p-dioxins <29 8.4 <34 <59
Total Heptachlorodibenzo-p-dioxlns 5.1 27 3.7 14
Octachlorodibenzo-p-dioxin 15 49 15 68
Internal Recoveries %
2,3,7,8-T4CDF-13C12 74 73 64 77
2,3,7,8-T4CDD-I3CI2 104 96 88 105
1,2,3,7,8-P5CDF-13C12 84 82 67 87
1,2,3,7,8-P5CDD-13C12 88 86 72 92
1,2,3,4,7,8-H6CDF-13C12 107 91 86 99
1,2,3,6,7,8-H6CDD-13C12 108 94 85 97
1,2,3,4,6,7,8-H7CDF-13C12 115 98 88 101
1,2,3,4,6,7,8-H7CDD-13C12 117 104 93 109
OCDD-13CI2 116 94 84 105
23,7,8-C14-Dibenzofuran (DB5) pg <3.8 <23 <2.9 <22
R
2,3,7,8-CI4-Dibenzo-p-dioxin <4.7 <4.6 <4.0 <4.0
1,2,3,7,8-CI5-Dibenzofiiran « <5.2 <10 <4.1 <8.2
»t
2,3,4,7,8-C15-Dibenzofuran <5.3 <10 <4.2 <8.3
1,2,3,7,8-C15-Diben2O-p-dioxin <6.2 <6.8 <8.9 <6.9
1,2,3,4,7,8-CI6-Dibenzofuran « <2.9 12 <1.9 7.8
1,2,3,6,7,8-C16-Dibenzofuran <3.0 <4.9 <2.0 <3.4
2,3,4,6,7,8-C16-Dibenzofuran <3.5 <5.6 <2.3 <3.7
1,2,3,7,8,9-C16-Dibenzofuran <4.2 <6.8 <2.8 <4.5
l,2,3,4,7,8-C16-Dlbenzo-p-dioxin <5.0 <4.7 <4.6 <5.1
1,2,3,6,7,8-C16-Dibenzo-p-dioxin <5.3 <5.1 <4.9 <5.4
1,2,3,7,8,9-C16-Dlbenzo-p-dioxin <4.9 <4.7 <4.5 <5.0
1,2,3,4,6,7,8-C17-Dibenzoftiran <2.3 <13 <3.1 <12
tl
1,2,3,4,7,8,9-C17-Dibenzofuran <3.1 <5.3 <4.2 <2.9
l,2,3,4,6,7,8-CI7-Dibenzo-p-dioxin 5.1 13 3.7 14
1,2,3,4,6,7,8,9-C18-Dibenzofuran <3.4 11 <4.5 12
tt
1,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 15 49 15 68
2,3,7,8-TCDF {DB225) pg <3.5 13 <4.2 <11
Internal Recoveries %
2,3,7,8-TCDF-13C12 83 77 68 88
ClientPhilip Analytical Services Inc Project:JLC Environmental
NYC-WTC_000155255
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