NYC 9/11 Public Portal Document
104 East 25th St.. 10t
New York. New York 10
www.atc-enviro.0
212.353.8
Fax 212.353.8
A C S n c IATE S I N C.
September 23, 2002
ATC Associates Inc.
104 East 25th Street
New York, NY 10010
Attn: Mr. Ben Sallemi
Re: Report of TEM Analysis
Dear Mr. Sallemi:
Following are the results of transmission electron microscopy (TEM)
analysis of air samples from our Group No. 8871:
Client: D.E.P.
Project Name: D.E.P. Clean-up, 125 Cedar St., NY, NY
Location: Entire Building
Samples received: 09/21/02
These results will confirm and document the data transmitted today
conformance
to your office. The analyses were performed in strict
with the methodology of the AHERA Final Rule (CFR October 30, 1987)
for clearance of abatement sites.
attached
The results of the sample analyses may be found on the
document.
volume
Results reported as Struct/cc are a function of air
such, not verifiable by this
collected in the field and are, as
reproduced only in its entirety and
laboratory. This report may be
not without prior permission of this laboratory.
full
We are pleased to note that our TEM lab has received
accreditation from NVLAP, as is currently required for recognized
approval
analysis of TEM air samples for AHERA projects, and also
These analyses were
under the NY State DOH ELAP program.
performed by ATC d/b/a ATC Associates Inc.
me regarding any questions relating to these
Please contact
materials.
Very truly yours,
Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000129855
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