NYC 9/11 Public Portal Document
TEM AsbestosIairXCountSh^
Client Name: WC BOE Volume /liters): 1960
Lab Group #: 5975 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 16 Grid Opening Size: 0.01124
Client Sample #: 16 Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 11/27/01
Analysis Performed By:
ROMAN PEYSAKHOV
GO, Structure | Structure Type Length ID of Structure N or EDS
(Nonadb
No F B C M -05 M >=5)j Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
V
40 //
//
¥ 1 /('
Struct = > 0.5n > 5:1 Aspect Ratio Grid acceptance'
V= 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
7= EDS 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 Ambiguo'us
C = Cluster (>3 Intersections) Anthophyllite i Non-Asbestos
Tremolite '
M = Matrix Non-Idenrified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003458451
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179205
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