NYC-WTC_000178663
Technical data sheet for TEM grid analysis of air sample number 6 from P.S. 150M collected on May 7, 2002.
8 shared non-person entities · 1 shared topics · similarity 0.998
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
TEM Asbestos air sample results, NYC BOE, Apr 2002
Machine-extracted title · confidence 95%Laboratory report documenting TEM analysis of an air sample collected from a NYC Board of Education site on April 14, 2002.
NYC-WTC_000178919Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group 7412 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 4/14/02
Analysis Performed By: .MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure Norv EOS (Nonadb No F B C M >=05 p i>=5u Chrys Amphiboie Nonasb Ambig/ND No Coord <5m Eiennents)
I
> z>^z"
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: V = Positive diffraction pattern properties conforming to <5G% undissolved filter, overlapped or folded Totals laboratory Wentification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5u 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 j Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_009505453 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178919
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NYC-WTC_000178919Source: NYC Law Department, mirrored locally
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Technical data sheet for TEM grid analysis of air sample number 7 from P.S. 150M collected on May 7, 2002.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
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8 shared non-person entities · 1 shared topics · similarity 0.997
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