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Asbestos TEM analysis results, 345 Chambers Street, Oct 2001
Machine-extracted title · confidence 95%ATC Environmental report on asbestos fiber analysis by TEM for exterior and interior samples collected at a school at 345 Chambers Street.
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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: 10/22/01
ASBESTOS FIBER hJTALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification (oy Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS. Method; AIERA Final Rule, EPA Federal Register (40 CFR, Part 763;. Vol. 52, No. 210, October 30, 1987
Sample Identification Analysis Parameters
Project/Site: New Spuvvesan: H.S., 345 Chambers St., NY,. NY TEM Sample No.: 5737 61836 Exterior & Interior of Building & Roof Date Received:10/21/0i Grid Openings Analyzec:__4
Project Scjmple No. : 15 Average Grid Opening; 106.00 um
Air Volume :1920 3J^^rs Total Area Analyzed: C.0450 mm2
F11e 1' T\qie : MCE 25 mm diann , Pore Size: 0.45 urn Analytica1 Sensitivity: 22.2 s/mm2 Effective Ares: 385mm2 0.0045 s/cc
FIBROLfS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air Fibers Bundles Clusters Struct. Struct > = 5urr. Struct/n»m2 Struct/cc ngni/m3
Chrysotile Asbestos 0 0 0 0 0 0 0.0 0.0000 0
Amphibole Asbe.stos 0 0 0 0 0 0 0.0 0.0000 0
Ambiguous ij 0 0 0 0 0 0.0 0.0000 0
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 (J 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 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;
Yarek Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
CONFIDENTIAL, CITY_21MC100_003470270 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
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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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