Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
NYC-WTC_000174880
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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 104 East 25th Street ACCREDITED NVLAP Lab Code #1187 New York, NY 10010 Report Date: 09/25/01
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: 40 Rector Street, 40 Rector St., NY, NY TEM Sample No.: 5554 - 59465 Floors 19, 18, 10, 9, 8 Date Received: 09/24/01 Grid Openings Analyzed:__ 6
Project Sample No.: 09-24-24 Average Grid Opening: 106.00 um
Air Volume: 1300 liters Total Area Analyzed: 0.0674 mm2
Filter Type: MCE 25 mm diatn. , Pore. Sizar 0.45 um Ana1ytica1 Sensitivity 14.8 s/mm2 Effective Area: 385 mm2 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 ncrm/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 0 0.0 0.0000 0 I 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 (.^11 Structures) 0 0 0.0 o.ooco N/A Ths 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.
Analyzed by: Report Reviewed by.
Marek Peysakhov Michael A. Gorycki, Ph.D. Director of Electron Microscopy
NYC-WTC_000174880
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NYC-WTC_000174893
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6 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174872
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 28, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174902
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
6 shared non-person entities · 1 shared topics · similarity 0.998
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Laboratory data sheet documenting asbestos fiber counts from air samples collected on floors 15 through 17.
6 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174905
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
6 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174879
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174876
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174900
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
6 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174852
Laboratory data sheet documenting asbestos fiber counts from air samples collected on multiple floors.
5 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174877
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
6 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174896
Laboratory report documenting transmission electron microscopy analysis of air samples collected from floors 16-18 in October 2001.
6 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗5 shared non-person entities · 1 shared topics · similarity 0.996
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NYC-WTC_000174893
Laboratory report documenting transmission electron microscopy analysis of air samples collected from the lobby and 16th floor in September 2001.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174872
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 28, 2001.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174902
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174865
Laboratory data sheet documenting asbestos fiber counts from air samples collected on floors 15 through 17.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174905
Laboratory report documenting transmission electron microscopy analysis of air samples collected from multiple floors in October 2001.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000174879
Laboratory report documenting asbestos fiber analysis by transmission electron microscopy for a site in New York on September 25, 2001.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
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