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TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 95%Laboratory analysis report for an air sample collected from NYC Board of Education facilities tested for asbestos on April 14, 2002.
NYC-WTC_000178922Page image
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NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet Client Name: NYC aOE Volume (liters): 1968 Lab Group 7412 Filter Type / Filter .Area: MCE 385 mm- Lab Sample #: 12 Grid Opening Size: 0.01124 Client Sample #: 12 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/14/02
Analysis Performed By; MARK PEYSAKHOV
GO. Structure i Structure Type Length ID of Structure N or 4 EDS (Nonadb No F B C M >=05 (J Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: >/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ale least 20 unfolded or overlapped grid squares <5% F B C M >5p v/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 libers <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_009505459 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178922
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NYC-WTC_000178922Source: NYC Law Department, mirrored locally
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Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on March 16, 2002.
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Laboratory report documenting transmission electron microscopy analysis of air samples collected from NYC Board of Education facilities in March 2002.
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machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000180597
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 0.984
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.984
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Laboratory analysis report for TEM asbestos air sampling conducted at NYC Board of Education facilities on March 28, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.984
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