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 #: 20 Grid Opening Size: 0.01124
Client Sample #: 0204 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: 1`a /
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor EDS
(Nonasb
No F 8 C M >=05 i. >=5N Chrys Amphibole Nonasb AmbiglND
No Coord <5u Elements)
If
1
1
1
1 Struct = > 0.5i > 5:1 Aspect Ratio Grid acceptance:
d= Positive diffraction pattern properties conforming to <50% undissolved
laboratory identification criteria observed
filter, overlapped or folded
<10% particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >5µ
1 += 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
Anthophyllite
Tremolite
Ambiguous'
Non-Asbestos
Non-Identified
Actinolite
1 NSD = No Structures Detected
NYC-WTC 000098443
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