NYC 9/11 Public Portal Document
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A 3 S O C I A T E S I N C.
October 11, 2001
ALC Environmental
115 W. 30th Street
New York, NY 10001
Attn: Mr. Joshua Sarett
Re: Report of TEM Analysis
Dear Mr. Sarett:
Following are the results of trar.smissior. e_ectrcr. microscopy (TES!)
analysis of air samples from cur Group No. 5661.
Client: Gateway Plaza Mr.gt. Corp.
Project Name: Building 400 at Gateway Plaza - 375 South End Ave.
Location: Various Sites
Samples received: 10/10/01
These results will confirm and dccun.ent the data transmitted today
to you. The analyses were performed conformance with the
n strict
methodology of the AHLR.A Final Rule (CFR October 3C, _:87; for
clearance of abatement sites As indicated on the attached Summary
Results sheet, less than 70 asbestos structures per mm, was detected
in all cf the twenty-five samples submitted from the site.
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. 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. Gorycki, Director of Electron Microscopy.
Lilll-
We are pleased to note that our TEN lab has received
from NVLAP, as is currently required for recognized
accreditation
analysis of TEM air samples for AHERA projects, and also approval
under the NY State DOH ELAP program. These were performed
analyses
by ATC d/b/a ATC Associates Inc.
Please contact me regarding any questions relating to these
materials.
Very truly yours,
Michael A. Gorycki, Ph.D.
Director of Electron "Microscopy
NYC-WTC 000095401
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