ATC Environmental report on asbestos fiber analysis by TEM for samples collected inside and outside a school at 345 Chambers Street.
NYC-WTC_000176440
OCR status: ok · source: pdftotext
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; 10/21/01
ASBESTOS FIBER JJSTALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification by Selected-Area Electron Diffraction (SAEDj and Energy-Dispersive X-RAY Spectroscopy (EDS! Method: J^HERA Final Rule, aP.=. Federal Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1987
Sample Identizication Analysis Parameters
Project/Site: New Stuyvesan:: F.S,, 345 Chambers St., NY, NY TEM Sample No.; 573^ 61731 Various SiteInside and Outside the Building Date Received: 10/20/^ Grid Openings Analyzed.-__£
Project Sample Ko.:^/^ Average Grid Opening: 106.00 urn
Air Volume :19521ite^ Total Area Analyzed : 0^p45 0 mm2
Filter Type; MCE 25 mm diam., Pore Size: C,45 urn Analytical Sensitivity: 22.2 s/mm2 Effect ?Lve Ar Ki I ; .3 5 5 mm2 0.0044 s/cc
FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air F-ibert; Bundles Clusters Struct. Struct > = 5uin Struct/mm2 Struct/cc ncim/ni3
Cnrysotils Asbestos 0 0 0 D 0 0.0 0.0000 0
Amphibole Asbestos 0 0 0 0 0 0 0.0 0.0000 0
Ambiguous 0 0 0 0 0 0 0. 0 0.0000 0
Total asbestos (includes aribiguous structures) 0 0 0.0 0.0000 0 Non-Asbes:os 0 0 0 0 0 0 0.0 0.0000 N/A No IdsntiEicazion 0 0 0 0 0 0 0. 0 0.0000 N/A
Totals (All Structures' 0 0 0. 0 0.0000 N/A The estimated uncertainty of this analysis is 1 standard devtation.
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 method. 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
CONFIDENTIAL, CITY_21MC100_003470224 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176440
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NYC-WTC_000176434
ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
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ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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