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NYC-WTC_000223635

Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000223635–000223636
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NYC 9/11 Public Portal Document

Mr. Bernard P. Orla i July 3, 2002 Respirable Particulate Assessment Page 4 P.S. 150M ATC Project No. 15-19125-0289 » The Dust Trak^ can provide instantaneous readings that may be used to demonstrate trends in PMi 5 concentrations but it should not be used to determine compliance with EPA standards. The results are subject to misinterpretation.

It is our pleasure to provide these indoor air consultative services to the New York City Board of Education. If you have any questions about this report, please call (212) 353- 8280, extension 298

Sincerely, ATC ASSOCIATES INC. Revii

Wagdi Abdelshahid James R. Cohn, CIH, CSP Industrial Hygienist Regional Manager Industrial Hygiene Division

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NYC-WTC_000223636

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NYC-WTC_000223636Source: NYC Law Department, mirrored locally

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