8 shared non-person entities · 1 shared topics · similarity 0.996
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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 22, 2002.
NYC-WTC_000177024Page image
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NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet Client iName: NYC BOE Volume (liters): 1848 Lab Group #: 7503 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 1 Grid Opening Size: 0 01124
Client Sample #: 01 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 4/22/02
Analysis Performed By: ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or v EDS (Nonadb ! No F B C M >=05 (J >=5p Chrys Amphibole Nonasb Ambig/NO No Coord <5u Elements) i
Lf
-X- 7# =
Struct - > 0.3g >5:1 .Aspect Ratio Grid acceptance:
v= Positive diffraction pattern properties conforming to <50% jndissolved filter, overlapped or folded Totals <10“() particulate coverage >50% coverage ate laboratory identification critena observed least 20 unfolded or overtapped grid squares <5% F B C M ! •/= EDS spectrum conforming to laboratory holes or opaque areas Identification criteria observed Chrysotile .A.MPHIBOLES I Amphibole F = Single Fiber Amosite S = 3undle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos j Tremolite M = Matrix Non-Identified : Actinolite NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003471213 SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000177024
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NYC-WTC_000177024Source: NYC Law Department, mirrored locally
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