NYC 9/11 Public Portal Document
I TEM Asbestos (air) Count Sheet
I Client Name:
Lab Group #:
Airtek
6115
Volume (liters):
Filter Type / Filter Area:
1300
MCE 385 mm'
I Lab Sample #:
Client Sample #:
12
17
Grid Opening Size:
Area Examined:
0.01124
0.06744 mm=
GRID BOX: 6 () Magnification:
20,000
I GRID ID:
# Grid Openings: 6
PC- Accelerating Voltage: 100 KeV
Analysis Date: 12/15/01
I Analysis Performed By:
MARK PEYSAKHOV
I GO. Structure
No
Structure Type
F g C M >=05 N
Length ID of Structure
Amphibole Nonasb
Nor d
Ambig/ND
EDS
(Nonadb
>=5N Chrys Elements)
No Coord <5u
LJ
I
I
C
fl
Struct => 0.5µ > 5:1 Aspect Ratio Grid acceptance:
4= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
<10% particulate coverage >50% coverage ate
I laboratory identification criteria observed
4= EDS spectrum conforming to laboratory
identification criteria observed
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
Chrysotile
F B C M >5i
AMPHIBOLES Amphibole
F = Single Fiber Amosite
Ambiguous
8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
I M = Matrix
NSD = No Structures Detected
Actinolite Nan-Identified
NYC-WTC 000098465
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