NYC 9/11 Public Portal Document
I TEM Asbestos. (air) Count Sheet
Client Name:
I Lab Group #:
EM & CA
6070
Volume (liters):
Filter Type / Filter Area:
1300
MCE 385 mm-'
Lab Sample #: 17 Grid Opening Size: 0.01124
I Client Sample #: 017 Area Examined:
Magnification:
0.06744 mm=
GRID BOX: 20,000
I GRID ID: /
# Grid Openings: 6
Accelerating Voltage:
Analysis Date:
100 KeV
12/9/01
I Analysis Performed By: ______________________________________
ROMAN PEYSAKHOV
I GO. Structure
No
Structure Type
F B C M >=05 u
Length
>=5{J Chrys
ID of Structure
Amphibole Nonasb
N or
Ambig/ND
EDS
(Nonadb
Elements)
No Coord <5N
2 10
v
r1 g
IA
I
I
1 Ii1T11_: -___
IIIr
I
___
I
n
fl Struct = > O.5p > 5:1 Aspect Ratio Grid acceptance:
<50% undissolved filter, overlapped or folded
4= Positive diffraction pattern properties conforming to <1
0% particulate coverage >50% coverage ate
Totals
laboratory identification criteria observed
least 20 unfolded or overlapped grid squares <5% F B CM >5p
I 4= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
AMPHIBOLES
Chrysotile
Amphibole
F = Single Fiber Amosite
I B = Bundle (<3 fibers <1 fiber diameter apart
C = Cluster (>3 Intersections)
Crocidolite
Anthophyllite
Tremolite
Ambiguous
Non-Asbestos
M =Matrix Actinollte Non-Identified
I NSD = No Structures Detected ___—
NYC-WTC 000098440
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