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TEM Asbestos air sample results, WC BOE, Oct 2001
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education facility.
NYC-WTC_000185179Page image
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OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: WC BOE Volume (liters): 1928 Lab Group #: 5829 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 18 Grid Opening Size: 0.01124 Client Sample #: 18 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS (Nonad'c No F B c M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND Elements) No Coord <5(j
.3
Struct = >0,5p >5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5iJ A- EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle i<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified i Actinolite NSD = No Structures Detected ____________________ j- 1.
CITY_21MC100_003106159
NYC-WTC_000185179
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NYC-WTC_000185179Source: NYC Law Department, mirrored locally
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected at WC BOE on November 14, 2001.
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Laboratory report documenting transmission electron microscopy analysis of an air 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 from a New York City Board of Education facility.
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