NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6716 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 9 Grid Opening Size: 0.01 124
Client Sample #: 09 Area Examined: 0.04496 mm-
GRID BOX: 222^ Magnification: 20,000
GRID ID: 33YJ Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/18/02
Analysis Performed By:
■ ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Nor y EDS
No (Nonadb
F B C M >=05 y Chrys Amphibole Nonasb Ambig/ND
No Coord <5y Elements)
33 r
J
PZ
Struct = > 0.5u >5:1 Aspect Ratio Grid acceptance:
'/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
<10% particulate coverage >50% coverage ate
laboratory identification critena observed
least 20 unfolded or overlapped grid squares <5% F B C M >5u
V= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
: AMPHIBOLY Amphibole
F = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = IVIatrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468004
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181120
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