NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NT'C BOE Volume (liters): 1936
Lab Group #: 5960 Filter Tvpe / Filter Area: MCE 385 mnn-
Lab Sample #: 10 Grid Opening Size: 0.01124
Client Sample #: 10 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 11/24/01
Analysis Performed By:
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure Nor v EDS
(Nonadb
No F B C >=05 p >=5jj Ctirys Amphibole Nonasb Ambig/ND
No Coord <5|J Elements)
/
Struct => 0.5(1 >5:1 Aspect Ratio Grid acceptance:
Pasitive diffraction pattern properties conforming to <50% undissolved lilter overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F i B I C M ! >5u
9= EDS spectrum corforming 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) Anthopfiyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = Nd Structures Detected
CONFIDENTIAL, CITY_21MC100_003458368
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179167
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