Technical data sheet documenting transmission electron microscopy analysis results for asbestos in air samples from September 10, 2002.
NYC-WTC_000175292–000175314
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 8828 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 11 Grid Opening Size: 0.01124 Client Sample #: 11 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/10/02
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or y EDS No (Nonadb F B C M >=05 p =5|J Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
^<5
I i
Suuci = > 0.5u > 5.1 Aspect Ratio Grid acceptance. 7= Positive ditfraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observeo <10% particulate coverage >50% coverage ale least 20 unfolded or overlapped grid squares <5% F B C M >5(J 4= EOS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 6.= Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C .= Cluster {>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite MSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003422045 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175302
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NYC-WTC_000177224
Technical data sheet recording transmission electron microscopy parameters and results for an asbestos air sample.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181315
Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181005
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
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NYC-WTC_000177224
Technical data sheet recording transmission electron microscopy parameters and results for an asbestos air sample.
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