NYC 9/11 Public Portal Document
I TEEM Asbestos (air) Count Sheet
I Client Name:
Lab Group#:
EM & CA
6070 Filter
Volume (liters):
Type / Filter Area:
Grid Opening Size:
1300
MCE 385 mm'
0.01124
Lab Sample #: 27
Area Examined: 0.06744 mm=
Client Sample #:
027~~
GRID BOX: __ ~ Magnification: 20,000
GRID ID: L— Accelerating Voltage: 100 KeV
I Analysis Date: 12/9/01
# Grid Openings: 6
I Analysis Performed By: ___I`—~
ROMAN PEYSAKHOV
I GO.
Coord
Structure
No
Structure Type
F B C M >=05 N
Length
> =5p
I
Chrys
ID of Structure
Amphibole Nonasb
Nor v
Ambig/ND
EDS
(Nonadb
Elements)
No <5u
l
f~
1__
I ___ ___ EE __
__ ___ __ ___
I +____i _
I
'I
I
I Struct = > 0.5µ > 5:1 Aspect Ratio
'I= Positive diffraction pattern properties
laboratory identification criteria observed
conforming to
Grid acceptance:
<50%
<10%
ungissolved filter, overlapped or folded
particulate coverage >50% coverage ate
Totals
I -J= EDS spectrum conforming to laboratory
identification criteria observed
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F B C M >5i.'
F = Single Fiber Amosite
Ambiguous
f1 B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Croddolite
Anthophyllite Non-Asbestos
Tremolite
M = Matrix Actinolite Non-Identified
I NSD = No Structures Detected
NYC-WTC 000098450
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