NYC 9/11 Public Portal Document
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L, ~m aIC-enviro rom
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ASSOC I ATES I N C.
Oc:tobcr .1.2, 2001
A -'nvircnmenta I
115 W. 30th Street
New York, NY 1000:L
Attn: Mr. Joshua S,arett
Re: Report of TEM Analysis
Dear Mr. .`.~arett :
Follcwing are the results of transmission electron microscopy (TLM)
analysis of air samples from our Group No. 56/1.
Client. Gateway Plaza Mngt. Corp.
Project Name: Building 4U0 at Gateway Plaza - 3/5 South End Ave.
Lora,'- iron: Va.r. :ious Sites
Samplcs rec:ejved: 10/12/01
These results will confirm and document the data trap:mitt=r_ today
to you. Tho analyses were performed in strict conformance with the
;methodology of the AIIEFA Final Rule ICFR October 3U, 1987) for
clearance of abatement sites. As indicated on the attached
Summary
Results sheet, less than 70 asbestos structures per rniv was
detected
in a]]. of the thirty samples submitted from the s L.e.
Results reported as Struct/cc are a function of air
volume
c::olloctpc3 in the.. field and are, as ouch, not. verifiable by this
laboracoiy. This rer.ort may be reproduced only in its entirety and
not without prior permission of this laboratory. T the post-•
abatement inside samples pass, the response action may be
considered to have been completed. The analyses were supervised by
Dr. Michael A. Corycki, Director of Electron Microscopy.
We Ire pleased to note that our TEM lab has received f:.t.' 1
at'Credi.tation from NVLAP, a:; is currently required for recognized
arialyslu of TEM air samples tor AHERA projects, and al-so approval
under the NY State DOH ET.AL-
1 program. These analyses were performed
by ATC d/b/a ATC Associates Inc.
Please contact me regarding any questions relatinq to these
materials.
Very truly yours,
Michael A. Corycki, Ph. D.
Di.rector of Electron Microscopy
NYC-WTC 000095271
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