Laboratory report documenting TEM asbestos fiber analysis of air samples from a New York City high school site in October 2001.
NYC-WTC_000185606
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
ASBESTOS FIBER ANALYSIS BY TRTkNSMISSION ELECTRON MICROSCOPY (TEM) With Fibe;r Identification cy Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS, Method; AHERA Final Rule, EPA. Federal Register (40 CFR, Part 763), Vol. 32, No. 210, October 50, 1987
Sample Identification Analysis Parameters
Pro^ect/Siie: New Stuyvesant H.S., 345 Chambers St., NY, NY TEM Sample No.: 5758 62156 Exterior & li11erior.of Building & Roof Date ReceLved: 10/24/^ Grid Openings TVialyzed:__ 4
Project S.ample No. : 20 Average Grid Opening: 106.00 urn
Air Volumt?: 1936 liters Total Area Analyzed 0.0450 mm2
Filtei Ty])e: MCE 2b mm diaoi. , Pore Size: 0.45 urn Analytical Sensitivity: 22.2 s/mm2 Effective Area ; 385 inm2 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 C . 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.OOOO 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 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 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_003107266
NYC-WTC_000185606
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NYC-WTC_000182586
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 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.
8 shared non-person entities · 1 shared topics · similarity 0.994
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NYC-WTC_000182586
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 lab report detailing asbestos fiber identification via TEM and EDS methods at a school site in October 2001.
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NYC-WTC_000182586
Cover letter and results for transmission electron microscopy analysis of air samples from a high school on October 23, 2001.
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