NYC 9/11 Public Portal Document
10/01/2001 10:43 FAX 212 353 8306 ATC Q018/020
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
N.Y.C. Housing Authority Approved N.Y. State ELAP ##10879
250 Broadway,*l6th Floor ACCREDITED NVLAP Lab Code * 1187
New York, NY 10007 Report Date: 09/16/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM)
with Fibor Identification by Solactod-Area Rleotron DiffractL n (SAID) and Energy-Diapersive X-RAY spectroscopy CEDE)
Method: EERA Final Rule, EPA Federal Register (40 CPR, Part 763), V01. 52, No. 210, Oetober 30, 1987
Samajgj Wentification Analysis Parameters
P icot/Sits: 150 Arosdww. NY. NY Ti.( Sample No.: 5312 - 59087
Floors 31. 27. 19. 8
Date Received: 10/01 Crid Oponinge Aaalyzod:
Project SanWle No.:fl Average Grid Opening: 106.00 um
Air Volume: 1800 liters Total Aron Anslyzed: 0.0450 ,em2
Piltor Typo: MCP. 75_tnm diem.. Pere Size: 0.65 um Analytical Sensitivity, 22.2 M/mmx
Effective Area: 385 mn2 0.0048 s/cc
FXSROUS PARTICULATES ANALYZED
Numbor Observed CONCENTRATION
Total
single Matrix Total. struet. . Filter Air
Mors BBVnd15:.7 O1u:lhnr:l Struet. Struct. av5urn Struct/m<n2 Struct/cc twm/e3
C'hryaotile Aoboetoo 0 0 0 0 0 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0 0 C 0 0.0 0.0000 a
Ambiguous 0 0 0 0 0 0 0.0 0.0000 C
Total asbestos (includes ambiguous structures) 0 0 0.0 0.0000 0
Non-Aabootoa 0 0 0 0 0 0 0.0 0.0000 N/A
No identification 0 0 C 0 C o 0.0 0.0000 N/A
Totals (All Structures) 0 0 0.0 0.000C N/A
The esticiatcd uncertainty ofi this ara:.yoi3 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.
This laboratory is in compliance' with the quality specified for the metho
Analyzed by: Report Reviewed by:
Roman Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000106092
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