NYC 9/11 Public Portal Document
'ITEM Asbestos (air) Count Sheet
I Client Name:
Lab Group #:
Airtek
6120
Volume (liters): 1300
Filter Type / Filter Area: NICE 385 mm'
Grid Opening Size: 0.01124
Lab Sample #: 6
P1 Client Sample #: 11 Area Examined:
Magnification: 20,000.
0.06744 mm=
GRID BOX: G
GRID ID: '7 /? Accelerating Voltage: 100 KeV
# Grid Openings: 6 - Analysis Date: 12/16/01
Analysis Performed By:
ROMAN PEYSAKHOV
I GO. Structure
No
Structure Type
F B C (N >=05 N
Length
>=5p Chrys
ID of Structure
Amphibole Nonasb
N or
AmbigiND
EDS
Eemendts
No Coord <5µ )
t
S V2 A
I
I
I
I
I Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
4= Positive diffraction pattern properties conforming to <50%
<10%
undissolved filter, overlapped or folded
particulate coverage >50% coverage ate
Totals
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5% F B CM >5i.
I '= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
I B = Bundle (<3 fibers <1 fiber diameter apart
C =Cluster (>3 Intersections)
Crocidolite
Anthophyllite
Tremollte
Ambiguous
Non-Asbestos
M = Matrix Actinolite Non-Identified
I NSD = No Structures Detected
NYC-WTC 000098489
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