NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE yolumeJliterYp 1920
Lab Group #: 6940 Filter Type / Filter Area: MCE 385 mnr
Lab'Sample #: 10 Grid Opening Size: 0.01124
Client Sample #: 10 Area Examined: 0.04496 mm-
GJRJP BO3G Magnification: 20,000 ■
GRID ID: Acceferating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/5/02
Analysis Performed By:
MARK PEYSAKHOV
GO Structure Structure Type .Length ID of Structure N or A EDS
No >=05(4 : (Nonadb
F B C M ■=5p- Chrys Amphioole Nonasb Ambig/ND
No Coord <6(1 Elements)
Struct = > 0.5(4 >5:1 Aspect Ratio Grid acceptance:
9= Positive diffraction pattern properties contorming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
V= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5% F B I C M >5|j
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-ldentified
Actinolite
NSD = No Structures Detected 1 1
CONFIDENTIAL, CITY_21MC1OO_OO3468326
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181326
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