NYC 9/11 Public Portal Document
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ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
Approved N.Y. State FLAP #10879
ATC Associates Inc. ACCREDITED NVLAP Lab Code # 1187
104 East 25th Street
Report Date: 09/28/01
New York, NY 10010
ELECTRON MICROSCOPY (T i
ASBESTOS FIBER ANALYSIS BY TRANSMISSION
Energy-DLsperaive X-RAY spectroscopy (EDS)
-Area Electron Diffraction (SAND) and
With F'ibor identification+ by selected
Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1.987
Method; 29TERA Final Rulc, EPA Federal
Analv::.is Paratmetors.
sample Identifi.nation
5971.5
TEM Sample Nc-: 5577 -
Project/Site: 9 Murr.rnv Street, NY NY
3rd Flocr
Grid Openings Analyzed: 5
Date Received: 09/28/01_
Average Grid Opening: 106.00 um
Project $ample No. 3-06
Total Area Analyzed: 0.0674 mm2
Air Volume: 1300 liters
Analytical Sensitivity: 14.8 5/mm2
p er Type: MCE 25 mm dm.. Pore Size: 0.49 wn
0.0044 s/cc
Effective Area; 385 mm2
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PARTICULATES ANALYZ D
FIBROUS PA.TICULATES
Number Obsr.:zed.
CONCENTRATION
Total
single Matrix Total. struct. Pilter Air
Struct. Struct. :=5um Stn1at/mm2 Strict/cc n C/100
Fibers Bundles Clusters
0 0 0 0.0 0.0000 0
Chrysotile Asbestos 0 0 0
0 0 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0
0 0 0.0 0.0000 0
Ambiguous 0 0 a 0
0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures)
0 0 0 0.0 0.0000 N/A
Non-Aabcstc:: 0 0 0
0 0 a 0 0.0 0.0000 N/A
No Identification 0 0
0 0 v.0 rr
Totals (A11 structures)
analysis is 1 standard deviation.
The estimated uncertainty of this
Non-asbestos fiber i.d. (EDS/SAED): None detected
Amphibole Asbestos Type: None detected
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approved TEM method.
The Analysis was carried out in accordance with the
This laboratory is in compliance with the quality specified for the method.
Analyzed by; Report Reviewed by:
Roman Peysakhov Michael A. Goxycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000097478
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