ATC Environmental lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
NYC-WTC_000176433
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 (TBM) With Fiber Identification by Selected-Area Electron Diffraction iSAEDi and Energy-Dispersive X-RAY Spectroscopy (EDS) Method: T^HERA Final Rule, IP.F Federal Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1987
Sample Identificacion Analysis Parameters
Projecc/Site: New Stuyvesant H.S., 345 Chambers St., NY, NY TEM Sample No.; 5730 61706 Various Siter Inside and Outside the Building Date Received; 10/19/01 Grid Openings Analyzed:__4
Project Sample No.: 16 Average Grid Opening: 106.00 um
Air Volume: 1928 liters Total Area Analyzed; C.0450 mm2
Filter Tvi>e: MC2 25 mm dian.. Pore Size: 0.45 um Analytical Sensitivity :22^2 s2rnm2 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 Asbestc.s 0 0 0 0 0 0 0.0 0.0000 0
Ambiguous c 0 0 0 0 0 0.0 0.0000 0
Total tasbesLos (includes ambiguous structures) 0 0 0.0 0.0000 0 Non-Asbestcs C 0 0 0 0 0 0. 0 0.0000 K/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 cf this analysis is 1 standard deviation.
Non-asbestos fiber i.d. (EDS/SAED): None detected Amphibole Asbestos Type: None detected
The Analysi.3 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_003470176
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176433
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NYC-WTC_000182585
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 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.
7 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182575
Report of asbestos fiber analysis by TEM for air samples taken inside and outside a building on October 20, 2001.
7 shared non-person entities · 1 shared topics · similarity 0.993
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000182577
Report of asbestos fiber analysis by TEM for air samples taken inside and outside a building on October 20, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.992
machine-extracted · confidence unavailable · Check page ↗7 shared non-person entities · 1 shared topics · similarity 0.992
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NYC-WTC_000182585
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
Similarity score 0.997 (not a probability)
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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.
Similarity score 0.997 (not a probability)
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Report of asbestos fiber analysis by TEM for air samples taken inside and outside a building on October 20, 2001.
Similarity score 0.996 (not a probability)
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Report of asbestos fiber analysis by TEM for air samples taken inside and outside a building on October 20, 2001.
Similarity score 0.996 (not a probability)
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NYC-WTC_000182585
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
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