NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6562 Filter Type / Filter Area: MCE 385 mm"
Lab Sample #: 10 Grid Opening Size: 0.01124
Client Sample #: .10 Area Examined: 0.04496 mm"
GRID BOX: Magnification: 20,000
GRID ID: A Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/5/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or V EDS
No Amphibole (Nonadb
F B C M >=05 p >=5|j Chrys Nonasb Ambig/ND
No Coord <5)J Elements) i
1
iL
/F
Struct = > 0.5)1 >5:1 Aspect Ratio Grid acceptance:
^= Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B >5u
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003467736
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180925
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