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
ACCREDITED NVLAP Lab Code # 1187
104 East 25th Street
Report Hate= 09/28/01
New York, NY 10010
TEM
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY Spcctro0eopY (ED8)
Elect=ea Diffraction (r-7ED) and Energy-Dispersive X-RAY
With Fiber identifi.aation by Selected-Area
nrgister (40 CPR, Part 763), Vol. 52, No. 210. October 30, 1967
Method: Am A Final Rule, EPA Federal
Analveis Parameters
Sample Identification
TEM Sample No.: 5577 - 5977.1
Project/Site: 9 Mvrrsv Street, NY, NY
3rd Plaer
Grid Openings Analyzed:
Date Received: 09 28 01
Average Grid Opening: 106.00 um
Project Sample No.: 3-02
Total Area Analyzed: 0-0974 mm2
Air Volumc: 1300 liters
Analytical Scnitivity: 14.8 /mni2
Pilter Type: MCE 25 mm diam.. Pore Size: 0.45 um
— 0.0044 a/cc.
Effective Area: 385 m52
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FIBROUS PARTICULATES .ANALYZED
Number Ob::erved
CONCENTRATION
Total
single Matrix Total. struct. Filter Air
Fibers Bundles C3uatere struct. Struct. ,=sum Strvct/mot Struct/co _ namL
0 0 0 0 0.0 0.0000 0
ChrycOtile Asbestos 0 0
0 0 0 0 0.0 0.0000 0
Ampbibole Asbestos 0 0
0 0 p 0 0 0 0.0 0.0000 0
Amiguou0
0 0 0.0 0.0000 0
Total asbcsto3 !includes ambiguous 3h"ruetures)
0 0 0 0.0 0.0000 N/A
Non-Asbestos 0 0 0
0 0 0 0.0 0.0000 N/A
zc Identification 0 0 0
0 0 0.0 0.0000 N/A
'Totals (Ala. Structures)
The eatimatod ,ynccrtainty of this ana7.ybie is 1 standard deviation.
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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.
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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 000097474
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