NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
Client Name: EM & CA Volume (liters): 1300
I Lab Group #: 6070 Filter Type / Filter Area: MCE 385 mm2
Grid Opening Size: 0.01124
Lab Sample #: 7
I Client Sample #:
GRID BOX:
007 Area Examined:
Magnification: 20,000
0.06744 mm'
GRID ID: Accelerating Voltage: 100 KeV
r-,
II # Grid Openings: 6 Analysis Date: 12/9/01
I Analysis Performed By:
ROMAN PEYSAKHOV
I No
GO.
Coord
Structure
No
Structure Type
F B C M >05 p
<5N
Length
>=5p ChfyS
ID of Structure
Amphibole Nonasb
Nor
Ambig/ND
EDS
(Nonadb
Elements)
I
I
I
I
I
Struct => 0.5µ > 5:1 Aspect Ratio Grid acceptance:
d= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or foldedate Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage
least 20 unfolded or overlapped grid squares <5% F B C M >5N
I 4= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Actinolite Non-Identified
NSD = No Structures Detected _
LII
NYC-WTC 000098430
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