Laboratory report documenting TEM asbestos fiber analysis of air samples from a New York City high school site in October 2001.
NYC-WTC_000185604
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: 10/25/01
ASBES TOSFIBER 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, -3PA 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 TSM Sample No.: 5756 - 62148 ExceriprS;Interior cf Building & Roof Date H.eceive(i : 10/24/D.I Grid Openings Analyzed:__ 4
Project Sample No.: 12 Average Grid Opening: 106.00 um
Air Volume: 1944 lite: Total Area Analyzed; 0.0450 mm2
Filter Type: MCE 25 mm diam.. Pore Size: 0.45 um Analytical Sensitivity:2Z.^.2 s/rnm2 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 >=5um Struct/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 0.0000 0
Total asbestos (includes amciguous structures) 0 0 0.0 0.0000 0 Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A No Identif ication 0 0 0 0 0 0 0.0 0.0000 K/A
Totals (All Structures) 0 0 0.0 0.0000 K/.^ The e.stimcted 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:
Ron.an Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
CITy_21MC100_003107258
NYC-WTC_000185604
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NYC-WTC_000185603
Laboratory report documenting TEM asbestos fiber analysis of air samples from a New York City high 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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NYC-WTC_000185603
Laboratory report documenting TEM asbestos fiber analysis of air samples from a New York City high school site in October 2001.
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NYC-WTC_000185603
Laboratory report documenting TEM asbestos fiber analysis of air samples from a New York City high school site in October 2001.
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