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: 10/20/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification by Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS) Method: AHERA Final Rule, EFA Federal Register (40 CPR, Part 763), Vol. 52. No. 210, October 30, 1937
Sample Identification Analysis Parameters
Project/Site: New StUY-vesant H.S., 345 Chambers St., NY, NY TEM Sample No.: 5730 61704 Various Sites Inside and Outside the Building Date Received: 10/19/01 Grid Openings Analyzed:__ 4
Project Sample No.: 14 Average Grid Opening: 106.00 urr.
Air Volume: 1936 liters Total Area Analyzed: 0.0450 mm2
Filter Type: MCE 25 mm diam., Pore Size: 0.45 urn Analytical Sensitivity:^2;J s/nuTi2 Effective Area: 385 mm2 0.0044 s/cc
FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air Fibers Bundles Clusters Struct. Struct >^5uTn Scruct/mm2 Struct/cc nqm/m3
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 C.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 K/A No Identification 0 0 0 0 0 0 0.0 C.0000 N/A
Totals (All Structures) 0 0 0.0 C . 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.
Roman Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
CITY_21MC100_003082368
NYC-WTC_000188671
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NYC-WTC_000182577
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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Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
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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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NYC-WTC_000182577
Report of asbestos fiber analysis by TEM for air samples taken inside and outside a building on October 20, 2001.
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