NYC 9/11 Public Portal Document
[1 TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1300
I Lab Group #: 6120 Filter Type / Filter Area:
Grid Opening Size:
MCE 385 mm=
0.01124
Lab Sample #: 21
I Client Sample #:
GRID BOX:
!!
__
41 Area Examined:
Magnification: 20,000
0.06744 mm'
Accelerating Voltage: 100 KeV
I GRID ID:
# Grid Openings: 6
3
Analysis Date: 12/16/01
1 Analysis Performed By: (tiD
ROMAN PEYSAKHOV
I GO.
No Coord
Structure
Na
Structure Type
F I B C M >=05 tJ
<5N
Length
>=5N Chrys
ID of Structure
Amphibole Nonasb
N or
Ambig(ND
EDS
(Nonadb
Elements)
i
IE z r
i/
)2
Il
u
fJ
f"
Li
1
1
Li Struct = > 0.5µ > 5:1 Aspect Ratio
1= Positive diffraction pattern properties conforming to
laboratory identification criteria observed
Grid acceptance:
<50% undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >5u
~I- EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed
Chrysotile
U
AMPHIBOLES Amphibole
F = Single Fiber Amosite
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Crocidolite
Anthophyllite
Tremolite
Ambiguous
Non-Asbestos
Non-Identified
M = Matrix Actinolite
I NSD = No Structures Detected
NYC-WTC 000098504
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