JLC Reports folder header or index page, April 2003

Machine-extracted title · confidence 60%

Administrative document serving as a section header or index for the JLC Environmental reports collection.

NYC-WTC_000100952–000100964

Folder label: “JLC REPORTS”

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NYC 9/11 Public Portal Document

4/3/03 PASC - Certificate of Analysis Page 7 of 8

10th 10th 11th Floor 11th Floor Client ID: Floor-08 Floor-09 Down-07 Down-08 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 Octachlorodibenzofuran <3.4 11 <4.5 12 Total Tetrachlorodibenzo-p-dioxins <7.9 62 <8.5 110 Total Pentachlorodibenzo-p-dioxins <6.2 30 <8.9 19 Total Hexachlorodibenzo-p-dioxins <29 8.4 <34 <59 Total Heptachlorodibenzo-p-dioxins 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-13C12 104 96 88 105 1,2,3,7,8-P5CDF-13C12 84 82 67 87 1,2,3,7,8-P 5CDD-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-13 C12 115 98 88 101 1,2,3,4,6,7,8-H7CDD-13C12 117 104 93 109 OCDD-13C12 116 94 84 105

2,3,7,8-CI4-Dibenzofuran (DB5) pg <3.8 <23 <2.9 <22 2,3,7,8-C14-Dibenzo-p-dioxin ° <4.7 <4.6 <4.0 <4.0 1,2,3,7,8-C15-Dibenzofuran " <5.2 <10 <4.1 <8.2 2,3,4,7,8-C15-Dibenzofuran ° <5.3 <10 <4.2 <8.3 1,2,3,7,8-C15-Dibenzo-p-dioxin <6.2 <6.8 <8.9 <6.9 1,2,3,4,7,8-C16-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 1,2,3,4,7,8-C16-Dibenzo-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-Dibenzo-p-dioxin <4.9 <4.7 <4.5 <5.0 1,2,3,4,6,7,8-C17-Dibenzofuran ° <2.3 <13 <3.1 <12 1,2,3,4,7,8,9-C17-Dibenzofuran <3.1 <5.3 <4.2 <2.9 1,2,3,4,6,7,8-C17-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 1,2,3,4,6,7,8,9-CI8-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

Client:Philip Analytical Services Inc Project:JLC Environmental

NYC-WTC 000100961

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NYC-WTC_000100961Source: NYC Law Department, mirrored locally

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