NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1800
Lab Group #: 8166 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 7 Grid Opening Size: 0.01124
Client Sample #: 09 Area Examined: 0.04496 mnr
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 6/18/02
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor v EDS
No (Nonadb
F B C M >=05 p :>=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
S'
AO
Struct = > 0,5(1 >5:1 Aspect Ratio Grid acceptance:
Totals
laboratory identification criteria obsen/ed
least 20 unfolded or overlapped grid squares <5% F B C M >5u
EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
I AMPHIBOLES I Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3461646
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179810
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