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 o Education Approved N.Y. State ELAP #10879 28-11 Queens Plaza North ACCREDITED NVLAP Lab Code # 1187 Long Island City, NY 11101 Report Date; 10/28/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Eibej- Identification by Selected-Area Electron Diffraction (SAED! and Energy-Dispersive X-RAY Spectroscopy (EDS) Method: AHERA Final Rule, E-^A Federal Register (40 CFR, Part 763), Vc]. 52, No. 210, October 30, 1987
Sample Identification Analysis Parameters
Project/Site; New Stuyvesant K.5, 345 Chambers St., TTY, NY TEM Sample No.: 57B4 62392 Exterior St Interior of Building & Roof Date Received: 10/27/01 Grid Openings Analyzed:__ 4
Project Ssmple Mo.: 7 Average Grid Opening: 106 . 00 urn
Air Volume Total Area Analyzed: C . 04 5 0 mm2
Filter Typ e; MCE 2B mm d-iam. , Pore Size: 0,45 urn Analytical Sensitivity; 22.2 s/mm2 Effective Aarea : 18 5 mm2 0.0044 s/cc
FIBROUSPARTICULATESANALYZED Number Observed CONCENTRATION Total Single Matrix Total. Struct. Filter Air fibers Bundles Clusters Struct. Struct >=Burri Struct ' mm2 Struct/cc noTTi/mS
Chrysotile Asbestos 0 0 0 0 0 0 0.0 0.0000 C
Amphibole Asbestos 13 0 0 0 0 0 0.0 0.0000 0
Ambiguous 3 0 0 0 0 0 0.0 0.0000 c
Total asbeistos (includes ambiguous structures) 0 0 C.0 0.0000 Nori-Asbest.os 3 0 0 0 0 0 C.0 Ci . 0 0 0 c N/A No Identification 0 0 0 0 0 0 0.0 0.0009 N/A
Totals (All Structures) 0 C 0.0 0.0000 N/A The estimated uncertainty cf this analysis is 1 standard deviation.
Non-a£;bestos 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
CONFIDENTIAL, CITY_21MC100_003473424 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177630
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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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