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: 10/21/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM)
With Fiber Identification cy Selected-Area Electron Diffraction (SAED) and Energy-Dispersive X-RAY Spectroscopy (EDS'
Method: XIERA Final Rule, DPA Federal Register (40 CFR, Part 763), Vol. 52, Ko. 210, October 20, 1987
Sample cation Analysis Parameters
Project/Site. New Stuyvesant H.£., 345 Chambers St., NY, NY TEM Sample No.: 5735 61736
Various Sites Inside and Outside the Building
Date Received: 10/20/01 Grid Openings Analyzed:__4
Project Sample No.: 22 Average Grid Opening: 106.00 urn
Air VQlum'5: 1936 liters Total Area Analyzed ; G;0£50 mn^
Filter Type: MCE 25 mm diar.:. Pore Size: 0.45 um Analytical Sensitivity; 22.2 s/mm2
Effective Aret: 385 mm2 0.0044 s/cc
FIBROUS PARTICULATES ANALYZED
Number Observed CONCENTRATION
Total
Si.ngle Matrix Total. Struct. Filter Air
Fibers- Bundles Clusters Struct. Struct >“5um Struct/nm2 £truct/cc ngm/mS
Chrysotile Asbestos 0 0 0 0 0 0 G.0 0.0000 C
Amphibole Asbestos c 0 0 0 0 0 0.0 0.0000 c
Ambiguous 0 0 0 0 0 0 0.0 0.0000 c
Total asbestos (includes ambiguous structures) 0 0 0.0 0.0000 0
Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 EVA
No Identification 0 0 0 0 0 0 0.0 0.0000 N7A
Totals (All Structures) 0 0 0.0 C . 0000 NVA
The estimated uncertainty cf this analysis is 1 standard deviation.
Non-asbestos fiber i.d. (EDS/SAED): None detected
Amphibole Asbesto.s 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_003470229
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176441
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