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Chain of Custody Form Instructions for WTC Building Sampling

Machine-extracted title · confidence 100%

Instructions and sections for collecting sample location data from a specific building interior.

NYC-WTC_000149537–000149682

Folder label: “ATSDR/DHAC_ASTM”

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Scanned page image, NYC-WTC_000149561
OCR text

OCR status: ok · source: pdftotext

Z z ■<

o o co Respirable Particulate PMi.o^ ■D o c o CT o o' 4^ "0 CD o cn o> 03

O o o c 60 • Compare results to representative background.** 0 Compare results to representative background.** 3 CD • Use for evaluation of outdoor contribution to indoor 0 Evaluate multiple source contributions (WTC, 3

concentrations outdoor, indoor) • Identify meteorological conditions and factors such as 0 Review pre-sampling questioimaire responses. road traffic during sampling. *

Thoracic Particulate 24 hourPMio’

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NYC-WTC_000149561Source: NYC Law Department, mirrored locally

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DEP WTC General Correspondence Form · Box DEP Box 10

NYC-WTC_000149798

Generic form or header page from the Department of Environmental Protection regarding general World Trade Center notices and requests.

24 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.975

machine-extracted · confidence unavailable · Check page ↗

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