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Asbestos air monitoring results, NYC high school, Oct 2001
Machine-extracted title · confidence 95%TEM analysis report for asbestos fibers collected from the exterior and interior of a high school building 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: 10/15/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY.(TEM) VJith Fiber Identification by Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS) Method: AHERA Final Rule, EPA Federal Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1987
Sample Identification Analysis Parameters
Project/Site: New Stuyvesant H.S., 345 Chambers St., NY, NY TEM Sample No.: 5691 61075 Exterior & Interior of Building &. Roof Date Received: 10/15/01 Grid Openings Analyzed:__ 4
Project Sample No . : Average Grid Opening: 106.00 urn
Air Volume: 1917 liters Total Area Analyzed: 0.0450 mm2
Filter Type: MCE 25 mm diam. Fore Size: 0.45 um Analytical Sensitivity :22;2 s/rnni2 Effective Area: 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 ngm/mS
Chrysotile Asbestos 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 0 0 0 0 0 0 0.0 0.0000 c
Total asbestos (includes ambiguous structures) 0 0 0.0 0.0000 0 Non-Asbestos 0 0 0 0 0 0 0.0 0 . ocoo N/A No Identification 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 deviation.
Non-asbestos fiber i.d. (EDS/SAED): None detected Amphibole Asbestos Type: None detected
The Tinalysis 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
CITY_21MC100_003082200
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