7 shared non-person entities · 1 shared topics · similarity 0.997
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TEM Asbestos air sample results, NYC BOE, Mar 2002
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 site.
NYC-WTC_000181363Page image
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NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 6986 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 4 Grid Opening Size: 0.01124 Client Sample #: 04 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20.000 GRID ID. Accelerating Voltage: 100 KeV # Grid Openings: 4 .Analysis Date: 3/8/02
Analysis Performed By: MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or 4 EDS (Nonadb No F B C M •=05p “ >=5l Chrys AmphiBole Nonasb Ambig/ND No Coord <5fJ Elemenis) '
Struct = > 0.5pi > 5:1 Aspect Ratio Grid acceptance:
'/= Positive diffrac'ion pattern properties conforming to <50% undissolved 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 j >5p V= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile “I AMPHIBOLES .Amphibole —i— F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite .Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-.Asbesios Tremolite M = Matrix Actinolite Non-ldentified NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468382 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181363
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NYC-WTC_000181363Source: NYC Law Department, mirrored locally
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