Custody form documenting the transfer and analysis of air samples collected at 125 Water Street in September 2002.
NYC-WTC_000129725–000130035
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
104 East 25th St., 1C New York, New '(or www.atc-en 212.3E ASSOCIATES I N C. Fax 2123E
ATC Associates Inc. September 16, 2002 104 East 25th Street New York, NY 10010
Attn: Mr. Fred Burkhardt
Re: Report of TEM Analysis
Dear Mr. Burkhardt:
Following are the results of transmission electron microscopy (TEM) analysis of air samples from our Group No. 8839: Client: D.E.P. Project Name: D.E.P. Clear.-up, 125 Cedar St., NY, NY Location: 1st Floor to Penthouse Samples received: 09/15/02
These results will confirm and document the data transmitted today to your office. The analyses were performed in strict conformance with the methodology of the AHERA Final Rule (CFR October 30, 1987) for clearance of abatement sites.
The results of the sample analyses may be found on the attached document.
Results reported as Struct/cc are a function of air volume collected in the field and are, as such, not verifiable by this laboratory. This report may be reproduced only in its entirety and not without prior permission of this laboratory. We are pleased to note that our TEM lab has received full accreditation from NVLAP, as is currently required for recognized analysis of TEM air samples for AHERA projects, and also approval under the NY State DOH ELAP program. These analyses were performed by ATC d/b/a AC Associates Inc.
Please contact me reg.:.rding any questions relating to these materials.
Very truly yours,
Michael A. Gorycki, Ph.D. Director of Elect ..on Microcopy
NYC-WTC 000129773
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