NYC 9/11 Public Portal Document
I
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
ATC Associates Inc. Approved N.Y. State ELAP #10879
104 East 25th Street ACCREDITED NVLAP Lab Code # 1187
New York, NY 10010 Report Date: 10/25/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM)
With Fiber Identification by Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS)
Method: AHERA Final Rule, EPA Federal Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1567
Sample Identification Analysis Parameters
I Project/Site: Related, Tribeca T.R., 105 Duane St., NY, NY
Various Sites
Date Received: 10/25/01
TEM Sample No.: 5761 -
Grid Openings Analyzed:
62209
6
Project Sample No.: 36 Average Grid Opening: .06.00 um
Air Volume: 1300 liters Total Area Analyzed: 0.0674 mm2
FLlter Type: MCE 25 mm diam., Pore Size: 0.45 um Analytical Sensitivity: 14.8 s/mm2
Effective Area: 385 5m2 0.0044 s/cc
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FIBROUS PARTICULATES ANALYZED
Number Observed CONCENTRATION
I Single
Fibers Eundles Clusters
Matrix
Struct.
Total.
Struct.
Total
Struct.
>=5um
Filter
Struct/mm2 Struct/cc
Air
ngm/m3
Chrysotile Asbestos 0 0 0 0 0 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0 0 0 0 0.0 0.0000 0
I Ambiguous 0 G 0 0 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures) 0 0 0.0 0.0000 0
Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A
No identification 0 0 0 0 0 0 0.0 0.0000 N/A
I Totals (All Structures)
The estimated uncertainty of this analysis is 1 standard deviation
0 C 0.0 0.0000 N/A
'
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Non-asbestos fiber i.d. (EDS/SAED) : None detected
Amphibole Asbestos Type: None detected
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The Analysis was carried out in accordance with the approved TEM method.
This laboratory is in compliance with the quality specified for the method.
I Analyzed by: Report Reviewed by:
Marek Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000104175
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