NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liiei's): 1920
Lab Grou|5 #: 6940 Filter Type / Filter Area: MCE 385 mm-
Lab'Sample #: 7 Grid Opening Size: 0.01124
Client Sample #: 02 Ai ea Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/5/02
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length fD of Structure N or 7 EDS
No =05 p '>=5m (Nonadb
F B C M Chrys Amphiboie Nonasb Ambig/ND
No Coord <5p- Eiemerrts)
Struct = > 0.5u > 5:1 Aspect Ratio Grid acceptance:
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboraton/ identification criteria obsenred <10% particulate coverage >50% coverage ale
least 20 unfolded or overlapped grid squares <5% f F I B I C M >5p
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 Ambiguous
C = Cluster l>3 Intersections) Anthophyllite Non-Asbestos
T remolite
M = Matrix I Non-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC1OO_OO3468318
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181319
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