NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NV'C BOE Volume (liters): 1944
Lab Group #: 8739 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 10 Grid Opening Size: 0.01124
Client Sample #: 10 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 8/23/02
Analysis Performed By:
ROMAN PEYSAKHOV
• GO. Structure Structure Type Length IDofStructure Nor9 EDS
No (Nonadb
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No Cyord <5m Elements)
I
Struct = >0.5p .>5:1 Aspect Ratio Grid acceptance:
x/= Positive diffracdon pattern properties conforming to <»% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or ovedapped grid squares <5% F B C M >5u
'/= 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 (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-ldentified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003430919
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175402
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