NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): i 920
Lab Group #: 6775 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: I Grid Opening Size: 0 01124
Client Sample #: EO-3 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2:22/02
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS ;
No (Nonadb ।
F B C M >=05 pi Chrys Amphibole Nonasb Ambig/ND
No Coord <5|j Elements) ,
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to <50% 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 C M >5u
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Clirysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 libers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster '>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468076
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181167
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