NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: WC BOE Volume (liters): 1890
Lab Group #: 6015 Filter Type / Filter Area: MCE 385
Lab Sample #: 10 Grid Opening Size: 0.01124
Client Sample #: 10 Area Examined: 0.04496 mm^
GRID BOX: ULZ. Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 12/1/01
.Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID ofSiructure N or v EDS
No (Nonadb
F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
7E
iS 9
(f
4
<^/9 =
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
>/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5u
\= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES j 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 i Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003467336
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180659
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