NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1310
I Lab Group #:
Lab Sample #:
6149
2
Filter Type / Filter Area: NICE 385 mm-
Grid Opening Size: 0.01124
I Client Sample #:
GRID BOX:
002 Area Examined:
Magnification: 20,000
0.06744 mm'
7C
I GRID ID:
# Grid Openings: 6
Accelerating Voltage: 100 KeV
Analysis Date: 12/19/01
I Analysis Performed By: RL
ROMAN PEYSAKHOV
I No
GO.
Coord
Structure
No
Structure Type
F B C M >=05 N
<5p
Length
>=5p Chrys
ID of Structure
Amphibole Nonasb
N or v
Ambig/ND
EDS
(Nonadb
Elements)
/_x -
!v942IIII
ll ______ _________ ______
(r
2
I
I
1
I
I
I
I Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
'I= Positive diffraction pattern properties conforming to <50°' undissolved filter, overlapped or folded
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >51.r
I 1= EDS spectrum conforming to laboratory
identification criteria observed
F: Single Fiber
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
Arnosite
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M = Matrix
Croddolite
Anthophyllite
Tremolite
Actinolite
i
Ambiguous
Non-Asbestos
Non-Identified
I
NSD = No Structures Detected
NYC-WTC 000098530
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