NYC 9/11 Public Portal Document
• 4/3/03 PASC - Certificate
ofAnalysis
Page 2 of 8
3rd 4th 4th 4th
Client ID. Floor-09 Floor-07 Floor-08 Floor-09
Lab No.: 009195 03 009196 03 009197 03 009198 03
Date Sampled: 05-Mar-2003 05-Mar-2003 05-Mar-2003 05-Mar-2003
Component MDL Units
Total Tetrachlorodibenzofurans pg <2.2 85 <1.7 31
Total Pentachlorodibenzofurans <1.9 66 <1.6 28
Total Hexachlorodibenzofurans <1.9 30 <1.8 14
Total Heptachlorodibenzofurans <3.1 2.9 2.3 4.2
Octachlorodibenzofuran 6.3 19 7.1 <11
Total Tetrachlorodibenzo-p-dioxins <2.9 120 <2.1 35
Total Pentachlorodibenzo-p-dioxins <1.9 30 <1.8 4.5
Total Hexachlorodibenzo-p-dioxins <6.8 57 <7.0 36
Total Heptachlorodibenzo-p-dioxins 15 53 20 36
Octachlorodibenzo-p-dioxin 43 160 56 100
Internal Recoveries %
2,3,7,8-T4CDF-13C12 83 93 86 84
2,3,7,8-T4CDD-13C12 94 101 94 97
1,2,3,7,8-P5CDF-13012 88 88 93 89
1,2,3,7,8-P5CDD-13C12 85 79 86 80
1,2,3,4,7,8-H6CDF-13C12 102 107 105 106
1,2,3,6,7,8-H6CDD-13C12 97 91 99 98
1,2,3,4,6,7,8-H7CDF-13C12 109 106 111 113
1,2,3,4,6,7,8-H7CDD-13C12 105 97 105 109
OCDD-13C12 85 90 97 104
2,3,7,8-C14-Dibenzofuran (DB5) pg <2.2 <21 <2.3 <8.1
2,3,7,8-C14-Dibenzo-p-dioxin <2.5 <2.1 <2.1 <2.1
1,2,3,7,8-C15-Dibenzofuran " <1.8 4.6 <1.6 <2.1
2,3,4,7,8-C15-Dibenzofuran <1.9 6.0 <1.7 4.2
1,2,3,7,8-C15-Dibenzo-p-dioxin <1.9 <2.1 <1.8 <2.0
1,2,3,4,7,8-C16-Dibenzofuran <1.7 8.9 <1.6 <2.8
1,2,3,6,7,8-C16-Dibenzofuran <1.7 <4.8 <1.6 3.4
2,3,4,6,7,8-C16-Dibenzofuran <1.9 3.8 <1.9 2.5
1,2,3,7,8,9-C16-Dibenzofuran <2.3 <2.7 <2.2 <2.5
1,2,3,4,7,8-CI6-Dibenzo-p-dioxin <1.8 <2.1 <1.9 <2.2
1,2,3,6,7,8-CI6-Dibenzo-p-dioxin <2.0 <2.3 <2.1 <2.5
1,2,3,7,8,9-C16-Dibenzo-p-dioxin <1.8 <2.1 <2.0 <2.2
1,2,3,4,6,7,8-C17-Dibenzofuran <2.8 <15 <3.5 <8.7
1,2,3,4,7,8,9-C17-Dibenzofuran <1.9 <2.9 <2.4 <2.5
1,2,3,4,6,7,8-C17-Dibenzo-p-dioxin 6.8 23 8.0 16
1,2,3,4,6,7,8,9-C18-Dibenzofuran 6.3 19 7.1 <11
1,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 43 160 56 100
2,3,7,8-TCDF (DB225) pg <2.9 14 <4.9 <5.7
Internal Recoveries
2,3,7,8-TCDF-13C12 73 82 75 78
Client:Philip Analytical Services Inc Project:JLC Environmental
NYC-WTC 000100956
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