NYC-WTC_000177901
Letter and report detailing results of air sampling for polynuclear aromatic hydrocarbons at the school.
8 shared non-person entities · 1 shared topics · similarity 0.984
machine-extracted · confidence unavailable · Check page ↗Document / 3 pages
Air sampling lab report for PAHs, Jan 2002
Machine-extracted title · confidence 95%Laboratory report from ATC Associates detailing air sample results for polynuclear aromatic hydrocarbons collected at a school building.
NYC-WTC_000179437–000179439Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Mr Bernard P Orlan January 22, 2002 Air Sampling for PAHs Page 3 H S of Economics & Finance (833M1 ATC Protect No 15-19125-0291
Naphthalene is an aromatic hydrocarbon used in the manufacture of plastics, dyes, resms and pesticides. It is a common component of mothballs The two methylated derivatives are found m some plastics and wood treatment chemicals ATC has no specific information concerning possible sources of these PAHs in the school building.
The Occupational Safety and Health Administration (OSHA) has a Permissible Exposure Limit (PEL) for PAHs (benzene-soluble fraction of total particulates) of 0.2 mg/m3. This is three orders of magnitude greater than the levels found in these samples, however the PEL is intended for mdustnal exposures.
It IS our pleasure to provide these indoor environmental services to the New York City Board of Education If you have any questions about this report, please call (212) 353-8280, extension 212 or 261.
Sincerely, ATC ASSOCIATES INC.
James R. Cohn, CIH, CSP Regional Manager Industrial Hygiene Division
Attachment
CONFIDENTIAL, CITY_21MC100_003459275 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179439
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NYC-WTC_000179439Source: NYC Law Department, mirrored locally
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ATC Associates report on air sampling for volatile hydrocarbon compounds at PS 131M conducted August 22, 2002.
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Lab report detailing air sampling for volatile hydrocarbon compounds conducted at P.S. 124M on September 12, 2002.
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