NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1300
I Lab Group #: 6120 Filter Type / Filter Area: MCE 385 mm2
Grid Opening Size: 0.01124
Lab Sample #: 7
I Client Sample #:
GRID BOX:
12 Area Examined:
Magnification: 20,000
0.06744 mm-
GRID ID: 13 0- Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/16/01
LI Analysis Performed By: J/
ROMAN PEYSAKHOV
I No
GO.
Coord
Structure
No
Structure Type
F B C M >=05 µ
<Su
Length
>=5p
I ChryS
ID of Structure
Amphibole Nonasb
Nor
Ambig/ND
EDS
(Nonadb
Elements)
lB V
J I
/t.
I
I
I
I
I
I
H1L I ____
I Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
<50% undissolved filter, overlapped or folded
.1= Positive diffraction pattern properties conforming to <10%
laboratory identification criteria observed particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >5N
I 1= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
Ambiguous
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M = Matrix
Crocidolite
Anthophyllite
Tremolite
Non-Asbestos
Non-Identified
Actinolite
I NSD = No Structures Detected
NYC-WTC 000098490
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