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 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 763), Vol 52, No. 210, October 30, 1987
Sample Identification Analysis Parameters
Project/Site: Tribeca Towers, 105 Duane St., NY, NY TEM Sample No.: 5771 - 62574 Various Sites Date Received: 10/26/01 Grid Openings Analyzed: 6
Project Sample No.: 10 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: 385 mm2 0.0044 s/cc
---------------------------------------------------------------------------------------------------------------------------------- FIBROUS PARTICULATES ANALYZED Number Observed CONCENTRATION Total Single Matr,-x Total. Struct. Filter Air Fibers Bundles Clusters Struct. Struct. >=5um Struct/mm2 Struct/cc ngm/m3
Chrysotile Asbestos 1 0 0 0 1 0 14.8 0.0044 145
Amphibole Asbestos 0 0 0 0 0 0 00 0.0000 0
Ambiguous 0 0 0 n 0 0 0.0 0.0000 0
Total asbestos (includes ambiguous structures) 1 0 14.8 0.0044 145 Non-Asbestos 0 0 0 0 0 0 0.0 0.0000 N/A No Identification 0 0 0 0 0 0 0.0 0.0000 N/A
Totals (All Structures) 1 0 14.8 0.0044 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 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. Director of Electron Microscopy
NYC-WTC 000104359
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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
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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
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Letter from environmental consultants summarizing ambient air sampling and cleanup activities at 225 Rector Place.
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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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17 shared non-person entities · similarity 0.960
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