NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #• 8759 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #• 3 Grid Opening Size: 0 01124
Client Sample #: 03 Area Examined: 0 04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: too KeV
# Grid Openings: 4 Analysis Date: 8/25/02
Analysis Performed By:
ROMAN PEYSAKHOV
;5o Structure structure Type Length ID of Structure N or v EDS
No (Nonadb
F B C M >=05 p )>=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5m Elements)
1
y__ 1
6 S
Struct = > 0 5p > 5 I Aspect Ratio Gnd acceptance
Positive diffraction pattern properties conforming to *5®^ undissolved filter, overlapped or folded Totals
laboratory identification cntena observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped gnd squares <5% F B C M >5p
V= EDS spectrum conforming to laboratory holes or opaque areas
identification cntena observec Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
M = Matrix Tremolite
Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003431221
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175480
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