8 shared non-person entities · 1 shared topics · similarity 0.997
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
TEM Asbestos air sample results, NYC BOE, Nov 2001
Machine-extracted title · confidence 90%Laboratory data sheet recording transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
NYC-WTC_000179376Page image
OCR text
OCR status: ok · source: pdftotext
NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: WC BOE Volume (liters): 1928 Lab Group #: 5829 Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 1 Area Examined: 0.04496 mm’ 45:' GRID BOX: Magnification: 20 000 GRID ID: # Grid Openings: 4 Accelerating Voltage: 100 KeV
Analysis Performed By: MARKPEYSAKHOV
GO. Structure Structure T ype Length ID of Structure NorV EDS No (Nonadb F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)
/ y-Tx
''o
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance; y- Positive 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 '.3 EDS spectrum conforming to iaboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES ! Amphibole F = Single Fiber ; Amosite ) B = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos i Tremolite M - Matrix Non-ldentified Actinolite NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003459064 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179376
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NYC-WTC_000179376Source: NYC Law Department, mirrored locally
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