NYC 9/11 Public Portal Document
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
#10879
Approved N.Y. State ELAP 1187
ATC Associates Inc. ACCREDITED NVLAP Lab Code #
104 East 25th Street Report Date: 10/25/01
New York, NY 10010
MICROSCOPY
BYEI TRANSMISSION sAE~ELECTRON y
Df
ASBESTOS FIBER ANALYSIS X-RAY Spectroscopy
(EDS)
Ene r5i
Selected- Area
on 1987
Identification by 30,
With Fiber 52, No. 210, October
(40 CFR, Part 763), Vol.
EPA Federal Register
Method: AHERA Final Rule,
Analysis Parameters
Sample Identification
62233
TEM Sample No. : 5762 -
NY
I 105 Duane St., 9W
Project/Site: Tribeca
sVarious
imS tes Grid Openings Analyzed:....A
Date Received: 10 25 01
~6 ~0 um
Average Grid Opening:_ 10
19
Project Sample No.:
Total Area Analyzed:_ 0.06
~
_74 m-2
Air Volume: 130O litters
_~s=2
14
Analytical Sensitivity:
Pore Size: 0.45 um ~ ~/cc
0.0 Ogg
Filter Type: MCE 25 mm diem. ,
Effective Area: 385 mm2
------------------ ----
FIBROUS PARTICULATES ANALYZED CONCENTRATION
Number Observed
Total
Filter Air
Matrix Total. Struct. n m3
Single Struct/mm2 Struct/ec
Struct. ,=Sum
Struct.
I Fibers Bundles Clusters
0 ° 0.0 0.0000 0
I Chrysotile Asbestos
° 0.0 0.0000 0
0 0 0
Amphibole Asbestos 0
0 0.0 0.0000 0
0 0
Ambiguous
• 0.0000 0
0 0 0.0
ambiguous0 structures)
0 0 0 0.0000 N/A
Total asbestos (includes
p 0 0 0 N/A
I Nan-Asbestos 0 0 0 0 0.0000
0 0 0
0 0
No Identification 0
0.0 0.0000 N/A
0 0
Totals (All Structures) standarddeviation.
of this analysis is i
The estimated uncertainty -------------
------------- -------------
------------ ------- (EDS/SAED): None detected
i.d.
Non- asbestos fiber None detected
Amphibole Asbestos Type:
_ ------------------------------------------- - --the ecproved TEM method.
quality eP
The Analysis was carried out in accordance with fied for the method
This laboratory is in compliance with the
Report Reviewed by:
Analyzed by:
Michael A. Gorycki, Ph.D.
Microscopy
Roman Peysakhov Director of Electron
NYC-WTC 000104057
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