NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1300
I Lab Group #: 6115 Filter Tyi e / Filter Area: MCE 385 mm2
Grid Opening Size: 0.01124
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Lab Sample #: 2
Client Sample #: 02 Area Examined: 0.06744 mm2
GRID BOX: 6C! Magnification: 20,000
GRID ID: 4 /__ Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/15/01
c:
Analysis Performed By:
MARK. PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor EDS
(Nonadb
No F B C M >=05 N >=5N ChryS Amphibole Nonasb Ambig/ND
No Coord <5µ Elements)
L
I; f_ ,3? — —
e, c:.`
I
1-1
I
I
1 Struct = > U.5µ > 5:1 Aspect Ratio
'1= Positive diffraction pattern properties
laboratory identification criteria observed
conforming to
Grid acceptance:
<50% undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5o/a
Totals
F B C M >5µ
1 ~1= EDS spectrum conforming to laboratory
identification criteria observed
F = Single Fiber
holes or opaque areas
AMPHIBOLES
Amosite
Chrysotile
Amphibole
Ambiguous
1 B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M = Matrix
Crocidolite
Anthophyllite
Tremolite
Actinolite
Non-Asbestos
Non-Identified
t NSD = No Structures Detected
NYC-WTC 000098455
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