NYC 9/11 Public Portal Document
',i TEM Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1300
I Lab Group #: 6115 Filter Type / Filter Area: MCE 385 mm2
Grid Opening Size: 0.01124
LI Lab Sample #:
Client Sample #:
GRID BOX:
9
09
Area Examined:
Magnification: 20,000
0.06744 mm'
I GRID ID:
# Grid Openings: 6
574 Accelerating Voltage: 100 KeV
Analysis Date: 12/15/01
I Analysis Performed By:
MARK PEYSAKHOV
Li GO.
Coord
Structure I Structure Type
No F B C M >=05 N
<~N
Length
>=5p Chrys
ID of Structure
Amphibole
Nor Ni
Nonasb AmbigrND
EDS
(Nonadb
Elements)
No
r ~ I4' J •- G~
1
Z y .
G.
I
El
El
'El
I
I Struct = > 0.Sµ > 5:1 Aspect Ratio
/= Positive diffraction pattern properties conforming to
Grid acceptance:
<5O% undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
Totals
laboratory identification aiteriobserved
least 20 unfolded or overlapped grid squares <5% F B C M >5u
I 'I= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F =Single Fiber 0 Amosite !
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Crocidolite
Anthophyllite i
Tremolite
Ambiguous
Non-Asbestos
Non-Identified]
M= Actinolite
I NSD = No Structures Detected
NYC-WTC 000098462
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