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TEM asbestos air sample results, NYC BOE, Jan 2002
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities in January 2002.
NYC-WTC_000174768Page image
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NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6398 Filter Type / Filter Area: MCE 385 mm- Grid Opening Size: 0.01124 Lab Sample #: 9 Area Examined: 0.04496 Client Sample #: 09 MasnificaUon: 20,000 GRID BOX: GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/22/02
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length " ID of Structure N or 7 EDS (Nonadb No F B C M •=05p >=5u I Chrys Amphibole Nonasb Ambig/ND No Coord <5u Elemsnts)
Struct = > 0.5(1. > S:1 Aspect Ratio Grid acceptance: 9= Positive diffraction pattern properties conforming to “bdissolved filter, overlapped or folded Totals laborator) identification criteria observed <10% particulate coverage >50% coverage ate leas! 20 unfolded or overlapped grid squares <5% F ! B I C M >5p 9= EDS spectrum conforming to laboratorj.' holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber ciameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-Identified NSD = Na Structures Detectec
CONFIDENTIAL, SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008 CITY_21MC100_014660197
NYC-WTC_000174768
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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.
8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.996
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Laboratory data sheet for transmission electron microscopy analysis of an air sample from the NYC Board of Education dated March 11, 2002.
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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 site.
8 shared non-person entities · 1 shared topics · similarity 0.996
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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.
Similarity score 0.998 (not a probability)
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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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