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
Lab Sample #: 20 Grid Opening Size: 0.01124
Client Sample #: 30 Area Examined: 0.06744 mm-
GRID BOX: l Magnification: 20,000
GRID ID: '7 C k, Accelerating Voltage: 100 KeV
Li # Grid Openings: 6 Analysis Date: 12/15/01
I Analysis Performed By:
MARK PEYSAKHOV
I GO. Structure
No
Structure Type
F B C M >O5 1j
<5µ
Length
>=5N
j
I Chrr/S
ID of Structure
Amphibole Nonasb
Nor 'J
AmbrGIND
EDS
(Nonadb
Elements)
i
No Coord
' / Q
_
I
I
1
I
ri
Struct = > 0.5µ -> 5:1 Aspect Ratio Grid acceptance:
undissolved filter, overlapped or folded Totals
4= Positive diffraction pattern properties conforming to <50%
<10% particulate coverage >50% coverage ate
laboratory identification criteria observed
least20 unfolded or overlapped grid squares <5% F B C M >5u
I '= 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)
Crocidolite
Anthophyllite
Tremolite
Non-Asbestos
M = Matrix
Non-IdentifiedI Ii
I NSD = No Structures Detected —
NYC-WTC 000098473
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