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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_000149623
OCR text

OCR status: ok · source: pdftotext

NYC 9/11 Public Portal Document

Figure 1 - Follow Chart of How Data Evaluations Will be Conducted Are results above those of the background homes?

No increased o risk

Yes

Are results above screening guidelines?

No adverse o health hazard

Are other possible sources for contaminants found present?

Evaluate health risk, o recommend actions

Qualify results as possibly related to other surce(s), evaluate health risk, recommend actions

10

NYC-WTC_000149623

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NYC-WTC_000149623Source: 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

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