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NYC-WTC_000199518

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000199518–000199520
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NYC 9/11 Public Portal Document

Environmental Monitoring Update Data reported to NYC DOH 9/20/01 as of 4 pm

Asbestos

Ambient air monitoring

Agency Date Location N N above 0.01 N above OSHA Maximum Comment samples fibers/cc* PEL@ (fibers/cc) USEPA (rounds 9/18/01 Hot zone, close in 11 2 0 0.047 Highest levels at Albany ai Sand 9) Greenwich and Liberty and South End, TEM was <0.0C 9/18/01 Hot zone, perimeter 7 0 0 0.042 Max was at Wall and Broac TEM was <0.008 9/18/01 Nearby neighborhood to 4 0 0 0.018 Hot zone 9/19/01 Fresh kills 18 2 0 0.029 Both samples above 0.01 at screening OPS (site) * 0.01 fibers per cc by TEM method. Approximately equivalent to @ US-OSHA permissible exposure limit for 8 hour time weighted average. Results are by PCM method.

Personal air monitoring

Agency Location Activity N N above Maximum Comment samples OSHA (fibers per n PEL* cc) H Con Ed Hot Zone Cable splicing 2 0 <0.007 in manhole s n

1° o o o 1 co

NYC-WTC_000199518

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NYC-WTC_000199518Source: NYC Law Department, mirrored locally

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