NYC 9/11 Public Portal Document
10/17/02 PASC - Certificate ofAnalysis Page 4 of 7
R02090951 R02090951
Client ID: 05A 06A
Lab No.: 060271 02 060272 02
Date Sampled: 12-Sep-2002 12-Sep-2002
Apartment No. & Location 2N-H 2N-F
Component Units Unit Unit
Ng/m2 Ng/m2
Total Tetrachlorodibenzofurans pg <2.0 < 0.2592 5.8 0.5568
Total Pentachlorodibenzofurans <3.4 < 0.3264 <1.5 < 0.144
Total Hexachlorodibenzofurans <1.2 < 0.1152 2.5 0.24
Total Heptachlorodibenzofurans <1.8 < 0.1728 1I 1.056
Octachlorodibenzofuran <2.2 < 0.2112 9.6 0.9216
Total Tetrachlorodibenzo-p-dioxins <3.4 < 0.3264 20 1.92
Total Pentachlorodibenzo-p-dioxins <5.8 < 0.5568 <3.4 < 0.3264
Total Hexachlorodibenzo-p-dioxins <I 1 < 1.056 1.7 0.1632
Total Heptachlorodibenzo-p-dioxins 7.0 0.0304128 9.8 0.9408
Octachlorodibenzo-p-dioxin 13 0.033124516 68 6.528
Internal Recoveries %
2,3,7,8-T4CDF-13C 12 81 72
2,3,7,8-T4CDD-13C12 85 85
1,2,3,7,8-P5CDF-1302 86 67
1,2,3,7,8-P5CDD-13C12 96 76
1,2,3,4,7,8-H6CDF-1302 96 86
1,2,3,6,7,8-H6CDD-13Cl2 94 90
1,2,3,4,6,7,8-H7CDF-13C12 97 92
1,2,3,4,6,7,8-H7CDD-13C 12 91 93
OCDD-13C 12 115 104
2,3,7,8-CI4-Dibenzofuran (DB5) pg <2.0 < 0.192 4.0 0.384
2,3,7,8-CI4-Dibenzo-p-dioxin <2.5 < 0.24 <1.3 < 0.1248
1,2,3,7,8-CIS-Dibenzofuran <3.2 < 0.3072 <1.5 < 0.144
2,3,4,7,8-C15-Dibenzofuran <3.5 < 0.336 <1.6 < 0.1536
1,2,3,7,8-CI5-Dibenzo-p-dioxin <3.0 < 0.288 <2.8 < 0.2688
1,2,3,4,7,8-C16-Dibenzofuran <1.1 < 0.1056 <0.92 < 0.08832
1,2,3,6,7,8-C16-Dibenzofuran <1.1 < 0.1056 <0.94 < 0.09024
2,3,4,6,7,8-CI6-Dibenzofuran <1.3 < 0.1248 <1.1 < 0.1056
1,2,3,7,8,9-C16-Dibenzofuran <1.6 < 0.1536 <1.4 < 0.1344
1,2,3,4,7,8-C16-Dibenzo-p-dioxin <3.3 < 0.3168 <1.2 < 0.1152
1,2,3,6,7,8-CI6-Dibenzo-p-dioxin <3.3 < 0.3168 <1.2 < 0.1152
1,2,3,7,8,9-C16-Dibenzo-p-dioxin <3.2 < 0.3072 <1.2 < 0.1152
1,2,3,4,6,7,8-C17-Dibenzofuran <1.5 < 0.144 5.0 0.48
1,2,3,4,7,8,9-C17-Dibenzofuran <2.2 < 0.2112 <2.2 < 0.2112
1,2,3,4,6,7,8-CI7-Dibenzo-p-dioxin 4.7 0.0304128 9.8 0.9408
1,2,3,4,6,7,8,9-C18-Dibenzofuran <2.2 < 0.2112 9.6 0.9216
1,2,3,4,6,7,8,9-C18-Dibenzo-p-dioxin 13 0.28311552 68 6.528
2,3,7,8-TCDF (DB225) pg - Pending
Internal Recoveries %
2,3,7,8-TCDF-13C12 - Pending
Client:Philip Analytical Services Inc Project:Misc.
NYC-WTC 000107327
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