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Residential sampling plan, Lower Manhattan

Machine-extracted title · confidence 90%

Sampling plan outlining methods to assess public health exposure to fibers and dust in Lower Manhattan residences.

NYC-WTC_000178157–000178159
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Scanned page image, NYC-WTC_000178158
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Background Buildings Sampled

• © J^Sampling ■ Air Sampling ■ Half-day sampling . 'aggressive'sampling S-0^, -5' ■8 < ■ passive or ■ Dust Sampling . Outdoor - Visible dust collected from a surface ■ Indoor - Dust vacuumed from a floor ■I .

■ Air r^g AnalyticalMethods - Dust ■ Fibers ■ Fibers . Polarized Light Microscopy (PLM) . Phase Contrast Microscopy (PCM) ■ Transmission Electron Microscopy (TEM) ■ Transmission Electron Microscopy (TEM) . Mineral Content ■ Particulate Matter / . x-Ray Diffraction (XRD) ■ Gravimetric (weighed)

Apartment Sampled with Visible Dust Apartment Sampled With No Visible Dust

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2

NYC-WTC_000178158

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NYC-WTC_000178158Source: NYC Law Department, mirrored locally

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