2 shared non-person entities · similarity 0.915
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
NYC-WTC_000209761
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
Warren & Panzer Engineers, P.C. 228 East 45th Street
5^ New York, New York 10017 Tel. (212) 922-0077 Fax (212) 922-0630
Thursday, October 18, 2001
Mr. Don Blanchard New York Law School 57 Worth Street New York, NY 10013
Re: TEM Ambient Air Sampling 47 Worth Street, 53 Worth Street, 57 Worth Street «& 240 Church Street
W&PFilefr. 299.07.01
Dear Mr. Blanchard:
Ambient air sampling was performed on the floors of the buildings located 47 Worth Street, 53 Worth Street, 57 Worth Street & 240 Church Street. Transmission Electron Microscopy (TEM) samples were collected and analyzed from all locations, one sample per floor. Samples were sent to Scientific Laboratories in Manhattan and all samples except sample # 30 from 57 Worth Street, were found to contain no structures (NSD). The only identified sample was found to contain one (1) structure which is below the United States Environmental Protection (US EPA) permissible level of seventy (70) structures. Attached tables list the laboratory results.
Along with this correspondence, I have enclosed a copy of the final air sampling chain of custody, which show the results. If you have any questions or should you need additional information, please contact me at (212) 922-0077.
Sincerely,
WARREN & PANZER ENGINEERS, P.C.
Michael R. Nolan Senior Project Manager
Attachment(s)
4 Mt'f’ihci oj Ilie \}arrcii I’anzei (iron;)
CITY_21MC100_002841998
NYC-WTC_000209761
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NYC-WTC_000209761Source: NYC Law Department, mirrored locally
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