NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: EM & CA Volume (liters): 1300
Lab Group #: 6070 Filter Type / Filter Area: MCE 385 mm2
Lab Sample #: 25 Grid Opening Size: 0.01124
Client Sample #: 025 Area Examined: 0.06744 mm'
GRID BOX: ___~
______ Magnification: 20,000
GRID ID: l,___ Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/9/01
Analysis Performed By:
ROMAN PEYSAKHOV
1 GO. Structure
No
Structure Type
F 8 C M >=05 N
<5N
Length
>-5 u
I
Chrys
rY
ID of Structure
Amphibole
Nor J
Nonasb
Ambig/ND
EDS
(Nonasb
Elements)
No Coord
re _ /. I
r i
.
-. .. __ __ __ __ _____ ___
I
I
I
1
1 Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
1= Positive diffraction pattern properties conforming to <50%
laboratory identification criteria observed <10%
undissolved filter, overlapped or folded
particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >5N
I= EDS spectrum conforming to laboratory holes or opaque areas
I identification criteria observed Chrysotile
AMPHIBOLES Amphibole
I F = Single Fiber
8 = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M = Matrix
Amosite
Crocidolite
Anthophyllite
Tremolite
Actinolite
Ambiguous
Non-Asbestos
Non-Identified
I NSD = No Structures Detected
NYC-WTC 000098448
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