NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6884 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 13 Grid Opening Size: 0 01124
Client Sample #: 13 Area Examined: 0,04496 mm-
GRID BOX: Magnification: 20.000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/2/02
Analysis Performed By: <
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or V EDS
No (Nonadb !
F B C M I ’=05 p >=5(j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements')
Struct = > 0.5n >5:1 Aspect Ratio Grid acceptance:
9= 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% TF B C M >5u
7= EDS spectrum co,nforming 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) Anthophyllite Non-Asbestos
M = Matrix
Tremolite
Actinolite Non-Identified
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003468249
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181274
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