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NYC-WTC_000200242
Label derived from the City's folder field. The City does not supply document titles.NYC-WTC_000200242Page image
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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 IR/LAP Lab Code # 118 7 Long Island City/ NY 11101 Report Date: 10/05/01 ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification by Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-FLAY Spectroscopy (EDS) Method: AHERA Final Rule, ERA Federal Register (4a CFR, Pare 7S3), Vol. S2, No. 210, October 30, 1937
lainple Ideneification Analysis Parameters
’roject/Site: a.S. for Economics ,2 Finance. 100 Trinity Pl., NYC TEM Sample No.: 5605 - 60113 Entire Building Date Received: 10/04/01 Grid Openings Analyzed:__ 4
Project Sample No.: HSSF-S-1Q/3-4Q Average Grid Opening: 1Q6.QO um
Air Volume; 1810 liters Total Area Analyzed: 0.0450 mm2
Filter Typ e: MCE 25 mm diam., Pore Size.- P.45 um Analytical Sensitivity:22 U 32mm2 Effeccive Area:.335 mm2 0.QQ47 s/cc
FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air Fibers Bundles Clusters Struct. Struct >=5uni Struct/mm2 Struct/cc ncrm/tn3
Chrysotile Asbestos 0 0 0 1 1 0 22.2 0.0047 156
Amphibole Asbestos 0 0 0 0 0 0 0.0 0.OOQO 0
Ambiguous 0 0 0 0 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures) 1 0 22.2 Q.0047 156 Non-Asbestos 0 0 0 0 0 0 0.0 0 . 0000 N/A No Identieicacicn 0 0 0 0 0 0 0.0 0.0000 N/A
Totals (All Structures) 1 0 22.2 0.0047 N/A The estimated uncertainty of this analysis is 1 standard deviation.
Non-asbescos fiber i.d. (SDS/SAED): None detected Amphibole Asbestos Type; None detected 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:
Marek Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
CITY_21MC100_003267884 NYC-WTC_000200242
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NYC-WTC_000200242Source: NYC Law Department, mirrored locally
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