NYC 9/11 Public Portal Document
I TENT Asbestos (air) Count Sheet
Client Name: Volume (liters): 1300
I Lab Group #:
Airtek
6120 Filter Type / Filter Area: NICE 385 mm'
Grid Opening Size: 0.01124
Lab Sample #: 4
I Client Sample #:
GRID BOX: 6 6 t/'
04 Area Examined:
Magnification: 20,000
0.06744 mm2
GRID ID: 7/f/.3 Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/16/01
I Analysis Performed By: 1I14 -
ROMAN PEYSAKHOV
Li No
GO.
Coord
Structure
No F
Structure Type
B C M >O5 N
<5N
Length
>=5p ChryS
ID of Structure
Amphibole Nonasb
N or
Ambig/ND
EDS
(Nonasb
Elements)
LA? Z Z l(
2 9- 2 1
13
i
I
I
I
I
I
I Struct => 0.5µ > 5:1 Aspect Ratio Grid acceptance:
'I= Positive diffraction pattern properties conforming to <50%
laboratory identification criteria observed
undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F TB C M >5p
Li 4= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
1 8 = bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Crocidolite
Anthophyllite
Trernolite
Ambiguous
Non-Asbestos
M = Matrix Actinolite Non-Identified
7 NSD = No Structures Detecteo
NYC-WTC 000098487
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