NYC 9/11 Public Portal Document
4/25/2003 PASC - Certificate ofAnalysis Page 8 of 9
11 th Floor 11th Floor 11 th Floor 11th Floor
Client ID: Up-02 Up-03 Down-01 Down-02
Lab No.: 013682 03 013683 03 013684 03 013685 03
PSC-Reading Lab ID: R03040083-26 R03040083-27 R03040083-28 R03040083-29
Date Sampled: 29-Mar-2003 29-Mar-2003 29-Mar-2003 29-Mar-2003
Component MDL Units
Total Tetrachlorodibenzofurans pg <1.3 <1.5 6.0 <1.7
Total Pentachlorodibenzofurans <2.8 <2.6 <2.8 <2.6
Total Hexachlorodibenzofurans <2.4 <1.8 <1.9 <1.7
Total Heptachlorodibenzofurans <2.5 <2.3 <3.0 <1.4
Octachlorodibenzofuran 3.1 <2.3 <4.8 <2.2
Total Tetrachlorodibenzo-p-dioxins <2.1 <2.7 31 <3.0
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Total Pentachlorodibenzo-p-dioxins <2.2 <2.2 <12 <2.0
Total Hexachlorodibenzo-p-dioxins <2.6 <1.8 11 <4.2
Total Heptachlorodibenzo-p-dioxins 3.9 <3.1 4.4 3.7
Octachlorodibenzo-p-dioxin 9.4 7.1 29 <9.7
Internal Recoveries %
2,3,7,8-T4CDF-13C12 81 74 87 78
2,3,7,8-T4CDD-13C12 88 81 84 86
I,2,3,7,8-P5CDF-13C12 90 81 83 86
1,2,3,7,8-P5CDD-13C12 105 88 87 96
1,2,3,4,7,8-H6CDF-13C12 104 101 99 105
I,2,3,6,7,8-H6CDD-13C12 102 97 93 101
1,2,3,4,6,7,8-H7CDF-I3C12 111 94 90 103
1,2,3,4,6,7,8-H7CDD-13C12 118 89 84 104
OCDD-13C12 II8 72 65 85
2,3,7,8-C14-Dibenzofuran (DB5) pg <1.3 <1.5 <6.0 <1.7
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2,3,7,8-C14-Dibenzo-p-dioxin <2.1 <2.7 <3.3 <3.0
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1,2,3,7,8-CI5-Dibenzofuran <2.7 <2.6 <2.8 <2.5
2,3,4,7,8-C15-Dibenzofuran <2.9 <2.7 <2.9 <2.6
1,2,3,7,8-CI5-Dibenzo-p-dioxin <1.4 <2.2 <3.7 <2.0
1,2,3,4,7,8-C16-Dibenzofuran <2.2 <1.6 <1.7 <1.6
1,2,3,6,7,8-C16-Dibenzofuran <2.2 <1.6 <1.7 <1.6
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2,3,4,6,7,8-C16-Dibenzofuran <2.6 <1.9 <2.1 <1.9
1,2,3,7,8,9-CI6-Dibenzofuran <2.8 <2.0 <2.2 <2.0
l,2,3,4,7,8-CI6-Dibenzo-p-dioxin <2.7 <1.8 <2.1 <2.5
l,2,3,6,7,8-CI6-Dibenzo-p-dioxin <2.7 <1.8 <2.1 <2.4
l,2,3,7,8,9-CI6-Dibenzo-p-dioxin <2.6 <1.7 <2.0 <2.3
1,2,3,4,6,7,8-C17-Dibenzofuran <2.3 <2.0 <3.0 <1.2
1,2,3,4,7,8,9-CI7-Dibenzofuran <2.5 <2.6 <2.4 <1.6
I,2,3,4,6,7,8-C17-Dibenzo-p-dioxin 3.9 <3.1 4.4 3.7
tt
1,2,3,4,6,7,8,9-C18-Dibenzofuran 3.1 <2.3 <4.8 <2.2
l,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 9.4 7.1 29 <9.7
2,3,7,8-TCDF (DB225) pg <4.5
Internal Recoveries %
2,3,7,8-TCDF-13C12 93
CIient:Philip Analytical Services Inc ProjectJLC Environmental
NYC-WTC_000155051
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