NYC 9/11 Public Portal Document
104 Cast 25th Street
New York, New York 10010
VTC
www.atc-enwro corn
212.353.8280
Fax 212.253.8308
A5SOC I ATES I NC.
September 26, 2001
ALC Environt..antal
W • 3 0th '
s vs
Attn: Mr.
.~: Report cf TEN : iysis
Dear Mr.
microscopy (TEN)
Following are the results of rya m~.~sion electron
PCM as:_' s:"r~ples from our Group No. 5556:
ana.,vsis of eleven
Client •"'n- ,rte•
Project Name: 345 and 355 Southend Avenue
and 200
Location: Hallways and Apartments, Buildings 100
Samples received in TEN Lab: 09/26/01
transmitted to you
These results will confirm and document the data with the
in strict conformance
today. The analyses were performed August 15, 1994.
methodology of the NICSH method 7402, Issue 2,
samples were examined at
Forty grid openings from each of the 1,000X and 10,000X)
relatively low magnifications (approximately between 0.25um
than 5um in length and widths
for structures greater greater than 3.1.
ratio
and 3uta, ai.d having a length-to-width observed by PCM
large enough to be
These structures would be were detected in
analysis. Asbestos and non -asbestos structures
the samples in the following proportions:
chrysotile gypsum cellulose fiber F/CC as
sample glass Asbestos
number
3 0.0% 93.8°% 0.0% 6.2% 0.0
4 77.8'% 0.0% 0.0% 0.005
22.2%
S 0.0% 76.9% 0.0% 23.1% 0.0
6 0.0% 55.0% 0.0% 45.0% 0.0
76.2% 9.5% 14.3% 0.0
8 0.0%
77.3% 9.1% 13.6% 0.0
13 0.0%
100.0% 0.0% 0.0% 0.0
14 0.0%
100.0% 0.0% 0.0% 0.0
17 0.0% 0.001
3.6% 68.7% 0.0% 27.7%
16 33.3% Q.0
19 0.0% 66.7% 0.0%
42.0% 0.0% 58.0" 0.0
20 0.0%
NYC-WTC 000121000
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