NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6747 Filter Type / Filter Area: MCE jS5 mm-
Lab Sample #: 5 Grid Opening Size: 0.01124
Client Sample #: 05 Area Examined: 0.04496 mm=
GRID BOX: Magnification: 20,000
GRID ID: JO- 7-^ Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/20/02
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or v EDS
(Noradb
No F B C M >=05 p >=5(j Chrys Amphibole Nonasb Ambig/NO
No Coord <5p Elements)
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
4= Positive diffraction pattern properties conforming to <50% uncissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or oveiiapped gnd squares <5%
F B C .M I >5u
\= EDS spectrum conforming to laboratory holes or opaque areas ---- i-----
identification criteria observed Cluysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthoptiyiliie Non-Asbestos
Tremolite
M = Matrix
Actinolite Non-Identified
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3468O4O
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181146
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