NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1320
Lab Group #: 6152 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 12 Grid Opening Size: 0.01124
7 Client Sample #:
GRID BOX:
018
6 0c
Area Examined:
Magnification:
20,000
0.06744 mm2
GRID ID: ,s Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/20/01
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor EDS
No F B C M >=05 u >=5p Chrys Amphibole Nonasb Ambig/ND (Nonadb
No Coord <5p Elements)
____ —i--
I
I
I
Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
I 1= Positive diffraction pattern properties conforming to
laboratory identification criteria observed
<50% undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5%
Totals
F B C M >5u
d= EDS spectrum conforming to laboratory holes or opaque areas
I identification criteria observed
F = Single Fiber
AMPHIBOLES
Amosite
Chrysotile
Amphibole
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 Detected
P.
NYC-WTC 000098555
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