NYC 9/11 Public Portal Document
(YATC
"levy 'QtK New York 10010
www.atc-envlro com
212 353 5280
Fax 212 353 8306
A S S O C I A T E& I NC
November 27, 2001
ALC Env:ronmencai
1 5W. 3Gth Street
New York, NY 10001
Attu: 'MIr, Joshua Sarett
Re: Report ct TEM Anaiysic,
Dear Mr. Sarett:
cl'_ow'_nc are the reSults of transm,
.ssion electron microSCopy TEM
analysis of a=_ samples from cur Group No 5977.
Client Gateway Plaza Mnot. Corp
Pro ect Name 5uildinc 400 at Gateway P_aza 375 South Eod Ave
Location: 26t^: Floor
Samples received - 11/27/01
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 October 30, 19871 for
clearance of abatement sites. The results are as indicated on the
attached document
Results reported as StrUCt/cc are a fur.c'.ion of air ';olt:'I'e
collected in the fie;d and are, as s~cn, not ver_fiab e cy th_s
'aboratory This report may be reproduced only in :.ts entirety and
not without prior permission of this laboratory If the post -
abatement inside samples pass, the response action may be
considered to have been completed. The analyses were supervised by
Dr. Michael A. voryckr , Director of Electron Microscopy
We are pleased to note that our TEM lab has received full
accreditation from NVLAF, as is currently required for recognized
analysis of TEM air samples for A.HERA projects, and also approval
under the NY State DOH ELAP program. These analyses were performed
by ATC d/b/a ATC Associates Inc.
Please contact me regarding any questions relating to these
materials.
Very truly yours,
Michael A. Gorycki, P .
Director of Electron Microscopy
NYC-WTC 000121168
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