NYC-WTC_000175659
Letter report detailing air sampling results for silica-containing dust at a school site in February 2002.
8 shared non-person entities · 1 shared topics · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
NYC-WTC_000202336
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000202336–000202337Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Mr. Bernard P. Orlan September 19, 2002 Silica Dust Assessment Page 2 H. S. for Leadership & Public Service (M894) ATC Project No. 15-19125-Q290
RESULTS
Samples were obtained in the V‘ Floor Main Lobby, the 5® Floor Hallway near the Elevator and the 10“'Floor Hallway near the Elevator.
Silica was not presentabove the limit of detection (<5.0 micrograms per sample) in any ofthe three samples.
It is our pleasure to provide these indoor air consultative services to the New York City Department of Education. If you have any questions about this report, please call (212) 353-8280, extension 298 or 212.
Sincerely, A TC ASSOCIA TES INC.
i Reviewed by
Wagdi Abdelshahid James R. Cohn, CIH, CSP Industrial Hygienist Regional Manager Industrial Hygiene Division
Attachment
CITY_21MC100_003272210
NYC-WTC_000202337
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NYC-WTC_000202337Source: NYC Law Department, mirrored locally
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machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.983
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machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.982
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Similarity score 0.982 (not a probability)
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