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NYC-WTC_000205521
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000205521Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
'Liberty Mutaai- Industrial Hygiene Air Sample Results PELs and TLVs are time-weighted average (TWA) levels, which means that they apply to the average exposure to the worker over the entire work shift
15. Action Level - OSHA establishes Action Levels for exposures to serve as triggers for administrative actions such as implementation of medical surveillance or other administrative controls.
16. Ceiling Level - A concentration which should never be exceeded, even for short periods of time.
CITY_21MC100_002989169
NYC-WTC_000205521
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NYC-WTC_000205521Source: NYC Law Department, mirrored locally
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