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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”

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Scanned page image, NYC-WTC_000149128
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NYC 9/11 Public Portal Document

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Figure 5. ORD-modeled WTC Plume Dispersion on September 11, 2001 at 12 noon. The values indicated by red numerals are hourly PMj , concentrations (in pg/m^) measured at pre-existing NJ and NY State-operated PM monitoring stations in northern New Jersey and New York City. Red, orange, and yellow shading represent most likely areas of plume dispersion (red = estimated dilution to 100* to 500* and dark blue = dilution to < one millionth of pollutant concentration at WTC source.

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Figure 6. Satellite photograph of the WTC plume lofting from Ground Zero at 11:43 a.m. EDT on September 12, 2001. Note the very concentrated vertical convection of dust/smoke particles upwards and the flow in a well-defined plume towards the S/SE. (Source: Mandatory credit: “spaceimaging.com”.)

DRAFT-DO NOT QUOTE OR CITE 47 October 2002

NYC-WTC_000149128

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NYC-WTC_000149128Source: NYC Law Department, mirrored locally

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