NYC 9/11 Public Portal Document
ATC Environmental, Inc.
I 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 # 1137
New York, NY 10010 Report Date: 10/26/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM)
With Fiber Identification by Selected-Area Electron Diffraction. ;SAED;
and Energy -Dispersive X-RAY Spectroscopy EDSI
Method: AHERA Final Rule, EPA Federal Register 4C CFR, Part 763) , Vol. 52, Nc. 21C, October 30, 1967
Sample Identification Analysis Parameters
Project/Site: Related, Tribeca T.R.. 105 Duane St NY, NY TEM Sample No. : 5769 - 62541
Various Sites
Date Received: 10,26/01
Grid Openings Analyzed: 6
Project Sample No.: 35
Average Grid Opening: 106.00 um
Air Volume: 130C liters
Total Area Analyzed: 0.0674 mm2
Filter Type: MCE 25 mm diem. Pore Size , 0.45 un Analytical Sensitivity: 14.8 s/mm"'
Effective Area: 385 mm2
0.0044 s/cc
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FIBROUS PARTICULATES ANALYZED
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Number Observed CONCENTRATION
Total
Single Matrix Total. Struct. Filter Air
Fibers Bundles Clusters Struct. Struct. >=5um Struct/mm2 Struct/cc nam/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
Ambiguous 0 0 0 0 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures) 0 0 0.0 0.0000 0
Non-Asbestos o 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
0
deviation.
0 0.0 0.0000 N/A
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Non-asbestos fiber i.d. (EDS/SAED): None detected
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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.
Analyzed by: Report Reviewed by:
Marek Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
I
NYC-WTC 000104259
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