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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

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NYC 9/11 Public Portal Document

Table 10. Benzene grab sample exceedences and 24-hour sample monitoring summary.

I. Grab Samples Benzene Exceedence Restricted Screening Concentration Exceedence Location and Date Zone Benchmarks OSHA PEL 1 ppm' 11 ppm Liberty and Trinity Sept 26- Yes OSHA STEL 5 ppm' 19 ppm Greenwich and Liberty Sept 28 Yes 49 ppm Greenwich and Liberty Sept 28 Yes 1.3 ppm Greenwich and Liberty Oct 1 Yes ATSDR Acute MRL 0.1 ppm Greenwich and Liberty Sept 27 Yes 0.05 ppm^ samples noted above also exceed the ATSDR acute MRL ATSDR Intermediate 0.011 ppm W. Broadway and Park Pl. Sept 22 Yes MRL 0.004 ppm^ 0.024 ppm W. Broadway and Park Pl. Sept 25 Yes 0.026 ppm W. Broadway and Park Pl. Oct 3 Border 0.007 ppm W. Broadway and Park Pl. Oct 9 Border 0.012 ppm W. Broadway and Park Pl. Oct 19 Border 0.008 ppm W. Broadway and Park Pl. Oct 20 Border 0.016 ppm W. Broadway and Park Pl. Oct 21 Border 0.008 ppm W. Broadway and Park Pl. Oct 24 Border 0.005 ppm 290 Broadway Sept 25 No 0.007 ppm 290 Broadway, Sept 26 No 0.0043 ppm 290 Broadway, Sept 27 No 0.005 ppm 290 Broadway Oct 11 No 0.021 ppm Broadway and Liberty Sept 23 Yes 0.007 ppm Broadway and Liberty Oct 8 Yes 0.024 ppm Albany and West Sept 30 Yes 0.008 ppm Albany and West Oct 1 Yes 0.008 ppm Albany and West Oct 20 Yes n. 24-Hour Samples Location Concentration (ppm) Date Barclay and West Broadway 0.0025 Sep 27 Vesey and West 0.00081 Sep 27 Liberty and South End <0.0007 Sep 27 Albany and South End <0.0007 Sep 27 Rector and South End <0.0007 Sep 27

DRAFT-DO NOT QUOTE OR CITE 115 October 2002

NYC-WTC_000148955

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NYC-WTC_000148955Source: NYC Law Department, mirrored locally

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