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Asbestos fiber TEM analysis report, Oct 13 2001
Machine-extracted title · confidence 95%Air sampling results from the exterior and interior of a high school analyzing asbestos fibers using transmission electron microscopy.
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NYC 9/11 Public Portal Document
ATC Environmental, Inc. 104 East 25th Street New York, New York 10010 N.Y.C. Board of Education Approved N.Y. State ELAP #10879 28-11 Queens Plaza North ACCREDITED NVLAP Lab Code # 1187 Long Island City, NY 11101 Report Date; 10/14/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification Dy Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS Method: A)iERA Final Rule, f:pa Federal Register [40 CFR, Part 7631, Vol. No. 210, October 50, 1987
Sample Ideatification Analysis Parameters
Project/Si le; New Stuyvesant IRS., 34 5 Chambers St.,. NY, NY TEM Sample No.; 5687 61063 Exterior & ii.terior of Building & Roof Date Rece.ived: 10/14/01 Grid Openings Analyzed:__4
Project Sample No.: USKS-EIR-10/13-10 • Average Grid Opening: 105.00 um
Air Volume: 1908 liters Total Area Analyzed;0,0jo0 mr^
F.Liter Typie; MCE 25 trun diar. Pore Size: 0.45 um Analytical Sensitivity .22;2 s£mm2 Effective A.rea : 385 mm2 0 . 0045 s/cc
FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air Fibers Bundles Clusters Struct. Struct > = 5um Struct/mm2 Struct/cc nqm/m3
Chrysotile Asbestos 0 0 0 0 0 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0 C 0 0 0.0 0.0000 0
A’Ttbiguous 0 0 0 0 0 0 0. 0 0.0000
Total asbestos (includes ambiguous structures) 0 0 0. 0 0.0000 0 Non-Asbestos 0 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
Tctals (All Structures) 0 0 0,0 0 . 0000 N/A Trie estimated uncertainty of this analysis is 1 standard deviation.
Non-asbestos fiber i.d. (EDS/SAED); None detected Amphibole Asbestofs Type: None detected
Th€5 Analysis was carried out in accordance with the approved TEM method. This laboratcry 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
CONFIDENTIAL, CITY_21MC1OO_OO3469986 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
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