NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
Client Name:
I Lab Group #:
Airtek
6115
Volume (liters): 1300
Filter Type / Filter Area: MCE 385 mm2
Grid Opening Size: 0.01124
Lab Sample #: 22
1 Client Sample #:
GRID BOX:
47
C CJ
Area Examined:
Magnification: 20,000
0.06744 mm2
f
I GRID ID:
# Grid Openings: 6
O 1) C Accelerating Voltage: 100 KeV
Analysis Date: 12/15/01
[1 Analysis Performed By:
MARK PEYSAKHOV
I No
GO.
Coord
Structure
No
Structure Type
F B C M >05 P
<S<5.i
Length
>=5p Chrys
ID of Structure
Amphibole Nonadb
N or
Ambig/ND
EDS
(Nonadb
Elements)
c
I
I
I-J
I
1
I
I Struct => 0.5µ > 5:1 Aspect Ratio
J= Positive diffraction pattern properties
laboratory identification criteria observed
conforming to
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 >5N
I J= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M = Matrix
Croddolite
Anthophyilite
Tremolite
Ambiguous
Non-Asbestos
Non-Identified
Actinolite
I NSD = No Structures Detected
NYC-WTC 000098475
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