NYC-WTC_000175827
Laboratory analysis report for air sample #13 from NYC Board of Education collected on January 24, 2002.
7 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
TEM asbestos air sample results, NYC BOE, Feb 2002
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
NYC-WTC_000175962Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6734 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 13 Grid Opening Size: 0.01124 Client Sample #: 13 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/19/02
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Stnjcture Nory EDS No >=05 p (Nonadb ’ F B C M >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5m Elements)
G z'-p-' ---- — —
' Struct - > 0.5n > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded oroveriapped grid squares <5% F B C M >5u '/= EDS 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 1 Crocidolite Ambiguous C = Cluster (>3 Intersections) I Anthophyllite Non-Asbestos 1 Tremolite M = Matrix Non-Identified I Actinolite NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003433810 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175962
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NYC-WTC_000175962Source: NYC Law Department, mirrored locally
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Laboratory report documenting transmission electron microscopy analysis of an air filter sample collected from a New York City Board of Education site.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175963
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175965
Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175870
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 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181567
Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176613
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 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176537
Laboratory data sheet documenting transmission electron microscopy analysis of an asbestos air sample collected from a New York City Board of Education site.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176566
Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education facility.
8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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Laboratory report documenting transmission electron microscopy analysis of air samples for asbestos collected from a New York City Board of Education facility.
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