NYC 9/11 Public Portal Document
TES. Asbestos (air) Count Sheet
Client Name: Airtek Volume (liters): 1310
Lab Group #: 6149 Filter Type / Filter Area: MCE 385 mm'
Lab Sample #: 4 Grid Opening Size: 0.01124
Client Sample #: 004 Area Examined: 0.06744 mm'
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 6 Analysis Date: 12/19/01
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor EDS
No (Nonadb
F 6 C M >=05 u >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5P Elements)
/ )c Wi_ _____ ____ ______
t
I
I _______; iii ___ ___ ___ ___ ___ ___ ___
fl Struct = > 0.5µ > 5:1 Aspect Ratio Grid acceptance:
1= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
Totals
least 20 unfolded or overlapped grid squares <5% F B C M >5p
/= EDS spectrum conforming to laboratory
I identification criteria observed
F = Single Fiber
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
Amosite
Ambiguous
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
M = Matrix
Crocidolite
Anthophyllite
Tremollte
J Actin __
lite
Non-Asbestos
Non_Identified
NSD = No Structures Detected
I
NYC-WTC 000098532
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