NYC 9/11 Public Portal Document
104 East 25th St.. 109
New York. New York 10(
www.atc-enviro.c
212.353.8.
Fax 212.353.8:
A S S O C I A T E S I N C
September 23, 2002
ATC Associates Inc.
104 East 25th Street
New York, NY 10010
Attn: Mr. Fred Burkhardt
Re: Report of TEM Analysis
Dear Mr. Burkhardt:
electron microscopy (TEM)
Following are the results of transmission
8863:
analysis of air samples from our Group No.
Client: D.E.P.
NY, NY
Project Name: D.E.P. Clean-up, 125 Cedar St.,
Location: Around Building
Samples received: 09/19/02
the data transmitted today
These results will confirm and document
performed in strict conformance
• to your office. The analyses were
Rule (CFR October 30, 1987)
with the methodology of the AHERA Final
for clearance of abatement sites.
may be found on the attached
The results of the sample analyses
document.
function of air volume
Results reported as Struct/cc are a
such, not verifiable by this
collected in the field and are, as
reproduced only in its entirety and
laboratory. This report may be
laboratory.
not without prior permission of this
TEM lab has received full
We are pleased to note that our required for recognized
accreditation from NVLAP, as is currently
projects, and also approval
analysis of TEM air samples for AHERA
program. These analyses were
under the NY State DOH ELAP
performed by ATC d/b/a ATC Associates Inc.
questions relating to these
Please contact me regarding any
materials.
Very truly yours,
• Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000129786
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