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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 for asbestos collected by the NYC Board of Education.
NYC-WTC_000181616Page 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 #: 7182 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 14 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/23/02
Analysis Performed By: ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS No (Nonadb F B C M •=05|j Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
3 : 7 J60
Struct = > 0,5u > 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <50% undissolved filler, 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 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_21MC1OO_OO3468716 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181616
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NYC-WTC_000181616Source: NYC Law Department, mirrored locally
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Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities.
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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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Technical data sheet for the ninth transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
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machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
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Technical data sheet for the eleventh transmission electron microscopy analysis of an air sample collected from a NYC Board of Education site in March 2002.
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Laboratory report documenting transmission electron microscopy analysis of air samples collected by the NYC Board of Education on February 16, 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.
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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 record documenting TEM analysis of an air sample for asbestos collected by the NYC Board of Education on March 10, 2002.
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