NYC 9/11 Public Portal Document
10/01/2001 10:41 FAX 212 353_8306 ATC Q 009r02:
ATC Environmental, Inc.
104 East 25th Street
New York, New York 10010
N.Y.C. Housing Authority Approved N.Y. State ELAP #10879
ACCREDITED 1'VLAP Lab Code 118-
250 Broadway, 16th Floor
New York, NY 10007 Report Date: 09/16/01
TEM
BESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY
and Bnce9y-Dispor0ive x-3AY spectroscopy (EDSi
With Fiber Idcnti_ication by Salected-Ares Electron Diffraction (s...% I
Part 763), Vvl. 52, No, 210, Octobor 30, 1987
r)othod: ABSRA Firs}. Rule, EPA Federal Ncgister (40 CFR,
$ample IdentificutI, j%nmlvsis Pa1-amc? r-^•
TEM Sample 140.:_5512 - 59078
Frojoct/Site: 250 Arcadwa
Ore 31 7 9 6
Date Receivcdt-09/16/01 Grid Openings Analyzed:4
Project saaple ao., 04 Average Grid Openingir106.00 um
Aix Volumo: 1800 liters Total Ares Analyzedt 0.0450 mm2
Pilfer Type: MCE 2S eta diam.• For. Size: 0.45 um Analytical Eensit3.vity:- 22.2 3/aan2
EEfcctive Area: 385 mm2 0.0048 8/00
---------------------------------------------------------------------------------------------------------------------------
FIBROUS PARTICULATES ANALYZED
1Sumber observed CONCENTRATION
Total
Single Matrix Total. Struct. Filter Air
PibnrC Bundles Clusters Struct. Struct. a-Sur Struct wn2 Struct/co ncm/33
Chryaotilo Asbootoa 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 a a 0 0 0 0 0.0 0.0000 0
Total asbestos (inclvde3 ambiguous atructvrc3) 0 0 0.0 0.0000 0
Non-Asbeetoa 0 0 0 0 0 0.0 0.0030 N/A
0
0 0 0 0 0 0.0 0.0000 N/A
No Idontification 0
0 0 0.0 0.0000 N/A
Totals (Ali Structurca)
The cotimated uncertainty of thin analysis is 1 standard deviation.
--------••---------------------•-----------------------`---------------------------------------------------------"-------
Non-asbestos fiber i.d. (EDS/SAED): None detected
Amphibole Asbestos Type: None detected
-------------------------------------~--------------------------------------------------- — -----------•----------~-_
The Analysis was carried out in accordance with the approved TEM methoG-
This laboratory is in compliance with the quality specified for the mew
Analyzed by: Report Reviewed by:
Roman Peysakhov Michael A. Gorycki, Ph.D.
Director of Electron Microscopy
NYC-WTC 000106083
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