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TEM Asbestos air sample results, NYC BOE, Feb 2002
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on February 16, 2002.
NYC-WTC_000175923Page 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 #: 6694 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 10 Grid Opening Size: 0.01124 Client Sample #: 10 Area Examined: 0.04496
GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/16/02
Analysis Performed By: MARKPEYSAKHOV
GO. Structure Structure Type Length ID of Structure NorV EDS No (Nonadb F B C >=05 p >=5m Chrys Amphibole Nonasb Ambig/ND Elements) No Coord <5p .
1
Struct = > 0.5u > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overtapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overtapped grid squares <5% F B C M >5|J '/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003433734 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175923
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NYC-WTC_000175923Source: NYC Law Department, mirrored locally
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on February 16, 2002.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on February 16, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on February 16, 2002.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000175924
Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on February 16, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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