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Asbestos fiber analysis lab report, NYC BOE site, Oct 2001
Machine-extracted title · confidence 95%Laboratory report detailing transmission electron microscopy and EDS analysis of asbestos fibers from a New York City Board of Education building.
NYC-WTC_000185596Page image
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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: 10/24/01
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: AJIERA Final Rule, FPA Federal Register (40 CFR, Part 763), Vol. 52, No. 210, October 30, 1987
Sample Identification Ana]3^sis^ar^rnete^
Prcject/Site: New Stuyvesant H.S., 345 Chambers St., NY, NY TEM Sample No.: 5748 - 62061 Exterior & Interior of Building & Roof Date Received: lC'/23z^Ql Grid Openings Juialyzed :__ 4
Project Sample No.: 7 Average Grid Opening: 106.00 um
Air VolumtH 192C liters Total Area Analyzed: 0,0450 mm2
Filter Ty]>e: MCE 25 mm diarr., Pore Size: 0,45 um Analytical Sensitivity :^2;2 s/mm2 Effective Area: 3E5 mm2 0 ■ 0045 s/cc
FIBROt'SPAPTICUK^TESANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air Fibers Bundles Clusters Struct. Struct > = 5um Struct/mm2 Struct/cc nom/m3
Chrysotil€' 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 a£b€stos (includes amoiguous structures) 0 0 0.0 0.0000 0 Non-Asbestos 0 0 0 0 0 0 0.0 0 . 0000 N7A 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 7malysis 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:
Marek Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
CITY_21MC100_003107205
NYC-WTC_000185596
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NYC-WTC_000185596Source: NYC Law Department, mirrored locally
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