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, Dec 2001
Machine-extracted title · confidence 95%Laboratory record documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
NYC-WTC_000184358Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1936 Lab Group #: 6173 Filter Tvpe / Filter Area: MCE 385 mm- Lab Sample #: 20 Grid Opening Size: 0.01124' Client Sample #: 20 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/22/01
Analysis Performed By: MARK PEYSAKHOV
GO Structure Structure Type Length ID of Sbucture N dr EDS No TY'Y I ■=5p Nonasb (Nonadb F B C M Chrys Amphibole Ambig/ND No Coorc <5tJ Elements)
I Struct = > 0.5(J > 5:1 Aspect Ratio Grid acceptance: 9= Positive diffraction pattern prooerfies conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate east 20 unfolded or overlapped grid squares <5% F B ; C I M '/= EDS spectrum conforming to laboratory holes 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 Tremolite M = Matrix Non-Identified NSD = No Structures Detected Actinolite . .1. CITy_21MC100_003105002
NYC-WTC_000184358
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NYC-WTC_000184358Source: NYC Law Department, mirrored locally
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