A report from Airtek Environmental regarding air quality sampling conducted at 176 Broadway in October 2001.
NYC-WTC_000105778–000105836Folder label: “176 BROADWAY; Block: 65 Lot: 17 BIN: 1001100 3-7 Maiden Lane”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
10/01.+`2091 11:24 2125984283 ATC ASSOCIATES PAGE 01/03 104 East 25th Street New York, New York 10010 www.atc-sn%Aro.cam 212.353.8280 Fax 212.353.8306
A S S O C 1 ATIs I N C.
September 30, 2001.
Airtek Environmental Corporation 39 W. 38th Street New York, NY 10018 Attn: Mr. Michael zovak Re: R.eport of TEN Analysis
Dear Mr. Zovak: mission electron aPY (TEN) Following are the resultS of Croup No. 5584 analys of four PCM air samples fromour s
Client: not provided Location: 176 Broadway, NY, NY 008/166711-018/166721 Sample and Lab ID Numbers: Samples received: 09/30/01 the data transmitted to you These results will confirm and document strict conformance with the in today. The analyses were performed 2, August 15, 1994. methodology of the NIOSl method 7402, Issue samples were examined at Forty grid openings from each of the (approximately 1,000X and 10,Oo0X; relatively low magnifications 5um 3.n length and widths between 0.25um for structures greater than -width ratio greater than 3:1. and Sum, and having a length-to enough to be observed by PCM These structures would be large analysis.
were detected in the samples Asbestos and non-asbestos structures in the following proportions:
cellulose gypsum fiber F/CC as sample chrysotil.e glass asbestos
81.3`s 18.7% 0.0% 0.0 008%1.66711 0.0% 0.0% 0.0008 6.7% 55.6% 37.7% 015/166718 28.0% 0.001 9.8%C 24.4% 37.8% 017/166720 42.6% 25.5% 0.002 018/166721 11.7% 20.2%
exceeds 0.01 F/CC as asbestos. As a consequence, no sample
NYC-WTC 000105821
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