NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1736
Lab Group #: 7386 Filter Type / Filter Area: MCE 3S5 mm-
Lab Sample #: 7 Grid Opening Size: 0.01124
Client Sample #: Area Examined: 0.0562 mm-
GRID BOX: Maonification: 20,000
GRIP ID: Accelerating Voltage: 100 KeV
# Grid Openings: 5 Analysis Date: 4/11/02
Analysis Perlormed By: nJ
RO.MAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS
iNonadb
No F B C M >=05 (J Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
<55
27?^
~7i
Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance:
'i- Positive diffraction pattern properties conforming to <50% undissolved niter, ouerlappsd or (olded Totals
laboratory identification criteria observed <10% paniculate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C M >5|J
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
B = Sunaie (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections! Anttiophyllite Non-Asbestos
Tremolite
M = Matrix Non-ldentified
Actinolite
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_0 09505390
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000178886
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