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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 an air sample collected from a New York City Board of Education site.
NYC-WTC_000180828Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 6489 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 13 Grid Opening Size: 0.01124
Client Sample #: 13 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20,000 GRID ED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/28/02
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or n/ EDS No (Nonadb F B C M >=05 p >=51J Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
3^^
Struct = >0.5p_>5:l Aspect Ratio Grid acceptance: >/= Positive diffraction pattern properties conforming to “=50% undissolved filter, overiap^d orfolded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5u V= 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 Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467599 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180828
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NYC-WTC_000180828Source: 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 air samples collected from NYC Board of Education facilities on January 28, 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 facility.
8 shared non-person entities · 1 shared topics · similarity 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000176905
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 0.999
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.999
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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 0.999
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180907
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 facility.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181270
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 0.999
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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