NYC 9111 Public Portal Document
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ATC
'"-" ---`~ October 8, 2001
ALC Environmental
115 W. 30th Street
New York, NY 10001
Attn: Mr. Joshua Sarett
Re: Report of TEM Analysis
Dear Mr. Sarett:
transmission electron microscopy ..( 'EM)
Following are the results of
samples from our Group No;. 5635:
analysis of four PCM air
Client: Mid -State
Ave. , Bides, 500
Project Name: 385 South End
Location: Various Ants.
Samples received: 10/08/01
transmitted to you
and document the data
These results will confirm conformance witr the
performed in strict
today. The analyses were Issue 2, August 15, 1994
7402,
methodology of the NIOSP methoa.
examined at
of the samples were
Forty grid openings from each 1,000X and ±0,000X;
(approximately
relatively iow magnifications wiaths between 0 25u
Sum in length and
for structures greater than tan 3 1.
length to width ratio greater
and Sum, and having a to be observed ry PCvt
would be large enougi:
These structures
analysis.
samples in the
were detected in the
Only non- asbestos structures
following proportions:
cellulose F/CC as
sample gypsum Asbestos
0.0°s 0.0
1 00 d°s 0.0
3 100.0% 0 0
100.00 0.0
,,. 5 a o 57.4 0. 0
6 42.6
asbestos
Asa, c e .ue ce,:no s,ampie exceeds 0 0± F/CC as
,
NYC-WTC 000117674
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