NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: me BOE Volume (liters): 1920
Lab Group #: 6535 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 9 Grid Opening Size: 0.01124
Client Sample #: 9 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/2/02
.Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or EDS
(Nonadb
No F B C M >=05)j :
-5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5|J
Elements)
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <5^% undissolved filter, overtepped or folded Totals
,.i__ ____________
Iaborato7 a.j. -Iobserved
identification criteria ____J <10% paiticulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C I M >5p
EOS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite J.
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467672
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180879
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