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VOC sampling locations table for Ground Zero area, Jan 2002

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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”

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NYC 9/11 Public Portal Document

Table 9. Acetone grab sample exceedences and 24-hour sample monitoring summary.

1. Grab Samples Acetone Exceedence Restricted Screening Benchmarks concentration Exceedence Location and Date Zone OSHA PEL 1000 ppm* None ATSDR Acute MRL 26 29 ppm Greenwich and Liberty Sept 28 Yes ppm" ATSDR Intermediate 22 ppm Greenwich and Liberty Sept 28 Yes MRL 13 ppm" 20 ppm Greenwich and Liberty Oct 1 Yes n. 24-Hour Samples Location Concentration (ppm) Date Albany and Greenwich 0.0064 Sep 27 Albany and South End 0.0066 Sep 27 Barclay and West Broadway 0.0071 Sep 27 Church & Dey 0.0078 Sep 27 EPA Taga Bus 0.012 Sep 27 0.0056 Sep 27 0.0040 Dec 3 0.0044 Dec 10 0.0048 Dec 17 Liberty and Broadway 0.0053 Sep 27 Liberty and South End 0.010 Sep 27 Rector and South End 0.0069 Sep 27 Vesey and West 0.0045 Sep 27

‘NIOSH (2002) ^ATSDR (1994)

DRAFT-DO NOT QUOTE OR CITE 114 October 2002

NYC-WTC_000148956

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NYC-WTC_000148956Source: NYC Law Department, mirrored locally

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