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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 from a New York City Board of Education site.
NYC-WTC_000181024Page 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 #: 6645 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 1 Area Examined: 0.04496 mm* GRID BOX: Mapnifieatinir 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/12/02
Analysis Performed By: MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or N EDS (Nonadb No F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
/ b T\-------- 1--------
Struct = > 0.5g >5:1 Aspect Ratio Grid acceptance: N= Positive diffraction pattern properties conforming to <50% undisscived filter, overlapped or folded Totals laboratory identification criteria obsen/ed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid spuares <5% F B i C M >5U 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 T remolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected , J.
CONFIDENTIAL, CITY_21MC100_003467875 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181024
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NYC-WTC_000181024Source: NYC Law Department, mirrored locally
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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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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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