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TEM Asbestos air sample results, NYC BOE, Feb 2002
Machine-extracted title · confidence 50%Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education in February 2002.
NYC-WTC_000185699Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6853 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: 02 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/28/02
Analysis Performed By: ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or 7 EDS No >=05 p ;>=5|J (Nonadb 'F B C M .;Chrys Amphiboly Nonasb Ambig/ND m No Coord <5p . Elements) /t/Sz?
4 --------------
Struct = > 0.5g > 5:1 Aspect Ratio- Grid acceptance: 7= Posifive diffraction pattern properties conforming to *50% undissolved filter, 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 >5p "/= EDS spectrum conforming to laboratory boles 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 M = Matrix Tremolite Actinolite Non-Identified NSD = No Structures Detected
CITY_21MC1OO_OO31O8331
NYC-WTC_000185699
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NYC-WTC_000185699Source: NYC Law Department, mirrored locally
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NYC-WTC_000185673
Laboratory analysis report for TEM asbestos air sample from NYC BOE collected on February 26, 2002.
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machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗8 shared non-person entities · 1 shared topics · similarity 0.998
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