NYC 9/11 Public Portal Document
I ITEM Asbestos (air) Count Sheet
Client Name:
I Lab Group #:
Airtek
6115
Volume (liters):
Filter Type! Filter Area:
Grid Opening Size:
1300
MCE 385 mm2
0.01124
Lab Sample #: 23
TiJ Client Sample #: 48 Area Examined: 0.06744 mm2
GRID BOX: , CI Magnification: 20,000
u GRID ID:
# Grid Openings: 6
f Accelerating Voltage:
Analysis Date:
100 KeV
12/15/01
I Analysis Performed By: j
' '
(
MARK PEYSAKHOV
`~
I No
GO.
Coord
Structure
No
Structure Type
F B C Ni >=05.
<5p
Length
>=5p Chrys
ID of Structure
Amphibole
Nor
Nonasb Ambig/ND
EDS
(Nonadb
Elements)
L ZZ , z::7
I
I
LI
I
I
Cl Struct = > 0.5i > 5:1 Aspect Ratio
1= Positive diffraction pattern properties conforming to
Grid acceptance:
<50% undissolved filter, overlapped or folded
<10% particulate coverage >50% coverage ate
Totals
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5a/o F B C M >5u
'd= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
I AMPHIBOLES Amphibole
F = Single Fiber Amosite
I 8 = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Crocidolite
Anthophylllte
Tremolite
Ambiguous
Non-Asbestos
M =Matrix Actinolite Non-Identified
I NSD = No Structures Detected
NYC-WTC 000098476
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