NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1300
El Lab Group #: 6115 Filter Type / Filter Area: MCE 385 mm=
Lab Sample #: 13 Grid Opening Size: 0.01124
Client Sample #: 18 Area Examined: 0.06744 mm2
El
GRID BOX: G 1^ / Magnification: 20,000
I GRID ID: G ~E
# Grid Openings: 6
Accelerating Voltage:
Analysis Date:
100 KeV
12/15/01
I Analysis Performed By: J~
MARK PEYSAKHOV
I No
GO.
Coord
Structure
No
Structure Type
FIB C M >=05 N
<5u
Length
>=5N ChryS
ID of Structure
J Amphibole Nonasb
Nor v
Ambig/ND
EDS
(Nonadb
Elements)
iX s'J
s
El
I
I
I
El
I
1
fl Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
LI '/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded 'l'otals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >SN
I 4= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
1 B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M =Matrix
Crocidolite
Anthophyillte
Tremolite
Ambiguous
Non-Asbestos
Non-Identified ++
Actinolite
I NSD = No Structures Detected
NYC-WTC 000098466
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