Second volume of ambient air sampling and visual observation results for 105 Duane Street after the WTC collapse.
NYC-WTC_000104321–000104551Folder label: “105 DUANE ST 1001650, 151/1”
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
I ATC Environmental, Inc. 104 East 25th Street New York, New York 10010
ATC Associates Inc. Approved N.Y. State ELAP #10879 I 104 East 25th Street New York, NY 10010 ACCREDITED NVLAP Lab Code # 1187 Report Date: 10/26/01
ASBESTOS FIBER ANALYSIS BY TRANSMISSION ELECTRON MICROSCOPY (TEM) With Fiber Identification by Selected-Area Electron Diffraction ISAED) and Energy-Dispersive X-RAY Spectroscopy (EDS; Method: AHERA Final Rule, EPA Federal Register (40 CFR, Part 763'„ Vol. 52, Nc. 210, October 30, 198"
Sample Identification Analysis Parameters
Project/Site: Tribeca Towers, 105 Duane St. , NY, NY TEM Sample Nc.: 5771 - 62570
I Date Received: 10/26/01 Various Sites
Grid Openings Analyzed: 6
Project Sample No.: 05 Average Grid Opening: 106.00 um
Air Volume: 1300 liters Total Area Analyzed: 0.0674 mm2
Filter Type: MCE 25 mm diam. , Pore Size: 0.45 um Analytical Sensitivity: 14.8 s!mm2 Effective Area: 395 amt 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 nam/m3
Chrysotile 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
I Ambiguous 0 0 0 0 0 0 0.0 0.0000 0
I Total asbestos (includes ambiguous structures) Non-Asbestos No Identification 0 C 0 0 0 0 0 0 0 0 0 3 0 0 0.0 0.0 0.0 0.0000 0.0000 0.0000 0 N/A N/A
I Totals (All Structures) The estimated uncertainty of this analysis is 1 standard deviation. 0 0 0.0 0.0000 N/A
----------------------------------------------------------------------------------------------------------------------------------
' 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.
I Analyzed by: Report Reviewed by:
Marek Peysakhov Michael A. Gorycki, Ph.D. I Director of Electron Microscopy
NYC-WTC 000104355
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NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
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Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.
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Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 2001.
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