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
ATC Environmental, Inc. 104 East 25th Street I 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 SAED, and Energy-Dispersive X-RAY Spectroscopy ;EDS; Method: AHERA Final Rule, EPA Federal Register (40 CFR, Part 763i • Vol. 52, No. 210, October 30, 1987
Sample Identification Analysis Parameters
Project/Site: Tribeca Towers, 105 Duane St., NY, NY TEM Sample No.: 5770 - 62556
I Hallways Date Received: 10/26/71 Grid Openings Analyzed: 6
Project Sample No.: H-2 Average Grid Opening: 106.00 um
Air Volume: 1300 liters Total Area Analyzed: 0.0674 mm2
I Filter Type: MCE 25 mm diam., Pore Size: 0.45 um Effective Area: 385 mm2 Analytical Sensitivity: 14.8 s/mm2 0.0044 s/cc
---- ----------- — ------------------------------------------------------------------------------------------------------'-- FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION
I Single Fibers Bundles Clusters Matrix Struct. Total. Struct. Total Struct. >=5ur Filter Struct!mm2 Struct/cc Air ngm/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
Ambiguous 0 0 0 0 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures; 0
I Non-Asbestos No Identification 0 0 0 0 0 0 0 0 0 0 0 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. 7 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.
Analyzed by: Report Reviewed by:
Marek Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
NYC-WTC 000104325
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NYC-WTC_000104027
Summary of ambient air sampling and visual observations at 105 Duane Street following the WTC collapse.
27 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.991
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000102767
Cover letter and summary of ambient air sampling and cleanup activities at 400 Chambers Street from 2002.
25 shared non-person entities · 1 shared topics · Same agency, volume and box · similarity 0.977
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000123875
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6 shared non-person entities · 1 shared topics · similarity 0.977
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11 shared non-person entities · 1 shared topics · similarity 0.973
machine-extracted · confidence unavailable · Check page ↗9 shared non-person entities · 1 shared topics · similarity 0.968
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11 shared non-person entities · similarity 0.965
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Laboratory report on asbestos fiber analysis by transmission electron microscopy for 250 Broadway dated October 1, 2001.
5 shared non-person entities · 1 shared topics · similarity 0.963
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