NYC-WTC_000175830
Laboratory analysis report for air sample #16 from NYC Board of Education collected on January 24, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
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 collected from a New York City Board of Education facility.
NYC-WTC_000176580Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (litersl: 1920 Lab Group #: 7195 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 11 Grid Opening Size: 0.01124 Client Sample #: 11 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/24/02
Analysis Performed By: MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nory EDS No (Nonadb F B C M >=05 iJ >=5|j Ctirys Amphibole Nonasb Ambig/ND No . Coord <5p Elements)
!S3^^3i
Sti-uct = > 0.5p >5:1 Aspect Ratio Grid acceptance: \= Positive difIraction pattern properties conforming to <50% undissolved filler, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped 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 I Amosite 8 = Sundle (<3 fibers <1 fiber diameter apart ■ Crocidolite Ambiguous C = Cluster (>3 Intersections) , Anthophyllite ’ Non-Asbestos i Tremolite j M = Matrix Non-Identified Actinolite i NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_0 03470546 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000176580
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NYC-WTC_000176580Source: NYC Law Department, mirrored locally
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