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TEM Asbestos air sample results, NYC BOE, Dec 2001
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of an air sample collected from NYC Board of Education facilities in December 2001.
NYC-WTC_000184321Page 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): 1944 Lab Group #: 6165 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: J Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000 GRIDED: /25a Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/21/01
Analysis Performed By: ROMAN PEYSAKHOV
GO ! Structure i Structure Type Length ID of Structure N or^v EDS No (Nonadb F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord Elements)
73^ (X
n /Q
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
\'= Positive diffraction paKem properties conforming to <50% undissoived filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F ■ B C M >5u 4= EDS spedrum camormhg to iaPoratory holes or opaque areas iaeniitication criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers c fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSC = No Structures Detected
CITY_21MC100_003104956
NYC-WTC_000184321
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NYC-WTC_000184321Source: NYC Law Department, mirrored locally
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