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Document / 246 pages

VOC sampling locations table for Ground Zero area, Jan 2002

Machine-extracted title · confidence 100%

Table listing volatile organic compound (VOC) sampling sites and dates outside of Ground Zero from September 2001 to January 2002.

NYC-WTC_000148952–000149197

Folder label: “NO INFO

Page image
Scanned page image, NYC-WTC_000148988
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Contaminant Site Worker <*> Resident Sulfur Dioxide 5 ppm .14 ppm Particulates

Total 15,iSEE pg/m’ NA Respirable 5,000 p-g/m’ NA PM2.5 NA 40 pg/m’ 65 pg/m’

PM.o NA 150 pg/m’^’’*’ Semivolatiles Dioxin/Furans (TEQ) NA .162 ng/m^ PCBs 1,000 pg/m^ .73 pg/m’ <« 9 pg/m’ PAHs<'^> NA 6 pg/m’ Volatiles Acetone 1,000 ppm 1.5 ppm ® Benzaldehyde NA 860 ppm Benzene 1 ppm .02 ppm .21 ppm Benzonitrile NA NA 1,3 Butadiene 1 ppm .01 ppm ® Chloromethane 100 ppm .4 ppm ® 2.6 ppm ® 1,4 Dioxane 100 ppm .5 ppm (5) Ethanol 1,000 ppm 45 ppm Ethylbenzene 100 ppm 2.5 ppm ® Freon 22 1,000 ppm"'*^ 140 ppm Propylene LEL (■’) simple asphyxiant Styrene 100 ppm 2.3 ppm alpha methylstyrene 100 ppm .1 ppm®

DRAFT-DO NOT QUOTE OR CTTE A-4 October 2002

NYC-WTC_000148988

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NYC-WTC_000148988Source: NYC Law Department, mirrored locally

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