NYC-WTC_000175822
Laboratory analysis report for air sample #8 from NYC Board of Education collected on January 24, 2002.
6 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Document / 1 page
TEM Asbestos air sample results, NYC BOE, Mar 2002
Machine-extracted title · confidence 95%Laboratory report documenting transmission electron microscopy analysis of an air sample collected from a New York City Board of Education site.
NYC-WTC_000181260Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 ■ Lab Group #: 6872 Filter Type / Filter Area: .MCE 38? mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20.000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/T,'02
Analysis Performed By: ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 9 EDS (Nonadb I No F B C ! M >=OEp >=5(j Chrys _ Amphibole Nonasb Ambig/ND No Coord <5u Elements) I —---- 1 2L V T
Struct = > 0.5g > 5:1 Aspect Ratio Grid acceptance:
0= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >60% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B i C M I >5u EDS spectrum conforTing to laboratory holes or opaque areas Chiysotile ----- 1------ identification criteria observed AMPHIBOLES Amphibole F = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthoptnyllite . Non-Asbestos I Tremolite M = Matrix Actinolite Non-Identified ! NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468225 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181260
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NYC-WTC_000181260Source: NYC Law Department, mirrored locally
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Laboratory record documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education.
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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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Laboratory data sheet recording transmission electron microscopy analysis of air samples for asbestos from NYC Board of Education facilities.
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Laboratory analysis record for TEM asbestos air sampling conducted at NYC Board of Education on January 25, 2002.
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Laboratory record documenting transmission electron microscopy analysis of an air sample for asbestos collected by the NYC Board of Education.
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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.
6 shared non-person entities · 1 shared topics · similarity 0.996
machine-extracted · confidence unavailable · Check page ↗Filed elsewhere
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Laboratory data sheet for transmission electron microscopy analysis of an air sample from the NYC Board of Education dated March 11, 2002.
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Laboratory report documenting transmission electron microscopy analysis of an air sample collected by the NYC Board of Education on March 14, 2002.
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