NYC 9/11 Public Portal Document
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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: 09/28/01
ASBESTOS FIBER. ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY TEM
-Dispersive X-RAY spectroscopy (EDS)
with Fiber identification by Selected-Area Electron Diffraction (SAED) and Energy
763), Vol. 52, No_ 210, October 30, 1987
Method; AB?RA Final Rub , EPA Federal Rcgi:eter (40 CPR, Part
Sample Identification Anal sa.. Parameters
TEM Sample No.: 5577 - $9712
Project/Situ. 9 Murray Street,_ NY. NY
3rd Floor
Date Received: 09/2B 01 Grid Openings Analyzed: 6
Yrojaat Sample NO.;_19. Average Grid Opening: 106.00 um
1300 liters Total Area Analyzed: 0.0674 mm2
Air Volume;
Analytical sensitivity-. 14.9 a mmz
Filter Type: MCE 25 non diem., Pore Size: 0.45 urn
0.0044 e; ec
Effective Area: 385 mm2
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FIBROUS PARTICULATES ANALYZED
Number Observed CONCENTRATION
Total
Single Matrix Total. struct. Filter Air
Fjhcrn. Bundles Clustr,.ra Struct, 5truct, 5..5u,n 8truct/ Struct/oc raw/m3
0 0 0 0 0 0.0 0.0000 0
Chrysotile Asbestos 0
0 0 0 0 0 0.0 0.0000 0
Awphibole Asbestos 0
0 0 0 0 0 0 0.0 0.0000 0
Ambiguous
0 0 0.o 0.0000 0
Total a.bestos (includes ambiguous structures)
0 0 0 0 0 0 0.0 0-0000 N/A
Non-Asbestos
0 0 0 0 0 0 0.0 0.0000 N/A
No Identification
0 0 0.0 0.0000 N/A
Total.: (A1l Structures)
The csti.iated uncertainty of th10 analysis is 1 stoT6erd deviation.
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------------------------------•1-------------------------------------------
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.
Analyzed by; Report Reviewed by:
Roman Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000097475
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