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Asbestos fiber analysis by TEM, New York City schools, Oct
Machine-extracted title · confidence 50%ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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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: 10/20/Cl
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification by Sej.ected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS) Method: ZHERA Final Rule, 3P7l Federal Register (40 CFR, Part 763), Vol. 52, No. 210. October 3C, 1987
Sample Identification AnajA^sisPararriet^^
Project/Site; Nev Stuyvesanc H.S., 345 Chambers St., NY, NY TEM Sample No.; 5730 61710 Various. .Sites Inside and Outside the Building Date Received: 10/19/01 Grid Openings Analyzed:__ £
Project Sample No.: 20 Average Grid Opening: 106.00 um
Air Volume.•1960 1,^ters Total Area Analyzed:Jk 045£min2
Filter Tvpe; MCE 25 mm diam. Pore Size: C.45 um Analytical Sensitivity Effective Area: 365 mm2 0.0044 s/cc
FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air Fibers; Bundles Clusters Struct. Struct >»5um Struct /inm2 Struct/cc nam/m3
Chrysotile Asbestos 0 0 0 0 0 0 0.0 0.oouo 0
Amphikxole Asbestos C 0 0 0 0 0 0.0 0.0000 0
Ambiguous C 0 0 0 0 0 0.0 0.OOOC 0
Total asbestos (includes ambiguous structures) 0 0 0.0 0 . 0000 0 Non-A?.best;os 0 0 0 D 0 c 0.0 0.0000 N/A No Identification. 0 0 0 0 0 c 0.0 0.0000 N/A
Totals (All Structures) 0 0 C.0 0.0000 N/A The estimeited uncertainty cf this analysis is 1 standard deviation.
Non-asbestos fiber i.d. (EDS/SAED): None detected Amphibole Asbestos Type; None detected
The 7Vnalysis 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_003470180 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
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Report of asbestos fiber analysis by TEM for air samples taken inside and outside a building on October 20, 2001.
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ATC Environmental report on asbestos fiber analysis by TEM for samples collected inside and outside a school at 345 Chambers Street.
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