NYC 9/11 Public Portal Document
104 East )_Dui Sireet
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www.atc-ei rvu o.com
212.363.8280
Fax 212 353.8306
October 21, 2001
AT.,C Environmental
115 W. 30th Street
New York, NY 10001.
Attn: Mr. Joshua Sarett
Re: Report cf TEM Analysis
Dear Mr. Sarett:
T=cllowinq are the results of transmission electron microscopy (TEM)
analysis of air samples from our Group No. 5736.
Client: Gateway Plaza Mngt . Corp.
Project Name: Parking Garage, Gal.eway Plaza
Loc:-al".;.can: Various Si.t.rS
Samples received: 10/21/01
These results will confirm and document the data transmitted today
to you. The analyses were performed in strict conformance with the
methodology of the AHERA Final Rule (CFR Octor?er 30, 1987) for
clearance of aeatemerit sites. As indicated on the attached Summary
tesulL.s sheet, no asbestos structures were detected in any of the
fifteen sample; :submitted from the .te.
Results reported as Struct/ c: are a function of air volume
collected in the field and are, as rsuch, not vcritiabie by this
laboratory. This report may be reproduced only in its entirety and
r:vt without prior permission of this laboratory. If the post -
abatement. inside samples pass, the response action may be
considered to 'nave been completed. The analyses were supervised by
• Dr. Michael A. Gorycki. , Director of Electron Microscopy.
We are pleased to note that our TEM lab has received full
accreditz t;_I`l from NVLAP, as is currently required for recognized
anai,.y=:i.s of TEM air samples for AHERA projects, and also approval
under the NY State DOH ELAL' program. These analyses were performed
by ATC d/b/a ATC Associates Inc.
Please contact me regacd.irig any questions 1:e1,a1. inq to these
iiraterials .
very truly yours,
Michael A. Goryckd, Ph.D.
Director of Eiectron Micr•osccpy
NYC-WTC 000095460
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