NYC 9/11 Public Portal Document
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T E S I NC.
A S S O C I A
September 27, 2001
ALC Environmental
115 W. 30th Street
New York, NY 10001
Attn: Mr.
Analysis
Re: Report of TEM
Dear Mr. (TEM)
samplesmxssaofl electron No.
lts of
microscopy:
Following are the Group
•
analysis of three PCM air from our
Client: Mid-State Southend Avenue
Project Name: 395
Location: Hallways 09/27/01
Samples received in TEM Lab: to you
document a transmitt
results will triattconformanceewith the
These were performed August 15, 1994 -
today. The analysesNIOSH method 7402. Issue 2, Aug
methodology of the
ly re examined at
from each of
Forty grid openings samles we X and 10,000X}
(appr hoxemat 51m
relatively low magnifications in length wIdthS
greater than greaterw than 3
for structures a le gSum idth
and 3um , and having enough to be observed by PCM in
be large were detected in the samples
These structures would structures
analysis. Non -asbestos
proportions:
the following
cellulose F/CC as
sample gypsum Asbestos
number
8.1% 0.0
02 91.9%
27.3% 0.0
03 72.7% 0.0% 0.0 J
05 100.0%
asbestos.
no sample exceeds 0.01 F/CC as
As a consequence,
Dr. Michael A. Gorycki, Director of
performed by ATC d/b/a
The analyses were supervised
These by
analyses were
Electron Microscopy. only in its
ATC Associates Inc. This report may be of this laboratory.
reproduced
without prior permission
entirety and not
NYC-WTC 000121525
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