NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume niters): 1872
Lab Group #; 8085' Filter Type Z Filter Area: MCE 385 mm^
Lab Sample #: 17 Grid Opening Size; 0.01124
Client Sample #; 19 Area Examined: 0,04496 mm’
GRID BOX; Magnification: 20,000
GRID ID; Accelerating Voltage; 100 KeV
# Grid Openings; 4 Analysis Date: 6/13/02
Analysis Performed By:
MARKPEYSAKHOV
GO. Structure Structure Type Length ID of structure Norv EOS
(Nonadb
No F 8 C M >=05 u >=5p Chrys Amphtiole Nonasb Anbig/NO
No Coord <5m Elements)
3
Struct = > 0,5h > 5:1 Aspect Ratio Grid acceptarrce:
'J= Positive diffraction pattern properfies oonfionning to <50% undlssolved filter, overlapped or folded Totals
laboratory Idenlification critena observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5p
EOS spectrum conforming to laboratory twtes or opaque areas
identification critena observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle {<3 fibers <1 fiber diameter apart Crocldotlte Ambiguous
C = Cluster (>3 Intersections) Anthoptiyllite Non-Asbestos
Tremolite
M = Matrix Actinolite Non-Identificd
NSD = No Structures Detected
CITY_2IMCl0 0_0 00491857
NYC-WTC_000229277
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