7 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗Document / 2 pages
NYC-WTC_000224758
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000224758–000224759Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Mr. Bernard P. Orlan April 24, 2002 Air Sampling for Silica Page 2 P.S. 150M ATC Project No. 15-19125-0289
Silica was not present above the limit of detection (<10 micrograms per sample) in any of the samples collected.
On 4/15/02, samples were obtained in the Main Lobby, Multipurpose Room, Classroom 502 and Classroom 503. Silica was not present above the limit of detection (< 5 micrograms per sample) in any of the samples collected.
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 212.
Sincerely, ATC Associates Inc. Reviewed By:
Amel Jav^ James R. Cohn, CIH, CSP Senior Pr^ct Manager Regional Manager Industrial Hygiene Division
Attachment
CITY_21MC100_0 02894449
NYC-WTC_000224759
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NYC-WTC_000224759Source: NYC Law Department, mirrored locally
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