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 mm=
Lab Sample #: 2 Grid Opening Size: 0.01124
Client Sample #: 002 Area Examined: 0.06744 mm'
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/9/01
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor EDS
No ab
No F B C M >05 p >=5p ChryS Amphibole Nonasb Ambig/ND
No Coord Elements)
2 1
if
-
I ___ __ ____ ..____
1
I
I
I Struct = > D.5µ > 5:1 Aspect Ratio
4= Positive diffraction pattern properties conforming to
laboratory identification criteria observed
Grid acceptance:
<50% undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >5p
1 'I= EDS spectrum conforming to laboratory
identification criteria observed
F = Single Fiber
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
Amosite
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Crocidolite
Anthophyllite
Ambiguous"
Non-Asbestos
M = Matrix
NSD = No Structures Detected
Tremolite
Actinolite
L Non-Identified
ii iiii
I
NYC-WTC 000098425
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