NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume fitters): 1920
Lab Group #: 6353 Filter Type / Filter Area: MCE 385 mm’
Lab Sample #: 18 Grid Opening Size: 0.01124
Client Sample #: 18 Area Examined: 0.04496 mm^
GRIB BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 1/17/02
Analysis Performed By: P.P
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or •/ EDS
' (Nonadb
No F B C M >=05 u >=5tJ Chrys Amphibole Nonasb Ambig/ND
No' Coord <5p. Elements)
/
Pl
V a/S: ((
Struct = > 0.5p > 5;1 Aspect Ratio Grid acceptance; ■
•/= Positive diffraction pattern properties conformino to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10%. particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5p
>/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
F = Single Fiber
1 AMPHIBOLES
Amosite
Amphibole
B = Bundle. (<3 fibers <1 fiber diameter apart i
1
Crocidolite-
Anthophyllite
Ambiguous
C = Cluster(>3 Intersections) Non-Asbestos
1 Tremolite !
M = Matrix Actinolite i Non-Identified
NSD = No Structures Detected
CITY_2IMCl00_000623086
NYC-WTC_000226179
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