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'
Grid Opening Size: 0.01124
• Lab Sample #: 24
Area Examined: 0.06744 mm'
Client Sample #: 024
GRID BOX: Magnification: 20,000
GRID ID: _,_~__ Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/9/01
Analysis Performed By:
ROMAN PEYSAKHOV
Length ID of Structure Nor EDS
El G0. I Structure Structure Type g/ND (Nonadb
No 1
Coord
No
r l
F B C M >=05 N
<5N
>=5N Ch ryS Amphibole Nonasb Ambi
Elements)
7
L
1
I
1 :
1
I Struct => 0.5 µ > 5:1 Aspect Ratio Grid acceptance:
<50% undissolved filter, avedapped or folded
J= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate
Totals
laboratory identification criteria observed
IF
I sJ= EDS spectrum conforming
identification criteria observed
to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
:.AMPHIBOLES
Chrysotile
Amphibole
B C M >5N
F = Single Fiber Amosite Ambiguous
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite
I Anthophyllite Non-Asbestos
C = Cluster (>3 Intersections) Tremolite
M = Maw(
Non-Identified
I
Actinolite
NSD = No Structures Detected
NYC-WTC 000098447
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