Laboratory data sheet for TEM analysis of an air sample from NYC Board of Education collected on February 18, 2002.
NYC-WTC_000181115
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: WC BOE Volume (liters): 1920 Lab Group #: 6716 . Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 4 Grid Opening Size: 0.01124 Client Sample #: 04 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRIDID; Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/18/02
Analysis Performed By: ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS I (Nonadb No F B C >=05m :>=5p Chrys Amphibole Nonasb Ambig/ND Elements) j No Coord <5p ,
ZZEZ Q
Struct = > 0.5n >5:1 A-spect Ratio Grid acceplance:
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Clirysotile 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 Actinolite Non-Identified NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467999 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181115
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Laboratory report documenting transmission electron microscopy analysis of air samples collected by the NYC Board of Education on February 17, 2002.
Similarity score 0.999 (not a probability)
machine-extracted · confidence unavailable · Check page ↗NYC-WTC_000181222
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Similarity score 0.999 (not a probability)
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Similarity score 0.999 (not a probability)
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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 ↗Readers open these alongside this record — through an Ask answer, the same folder, or indexed similarity. Not a claim they are about the same event.
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