NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 8759 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 6 Grid Opening Size: 0 01124
Client Sample #: 06 Area Examined: 0 04496 mm-
GfUD BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
Grid Openings: 4 Analysis Date: 8/25/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO Structure Structure Type Length ID of Structure NorN EDS
No (Nonadb
F B C M >=05 M :>=5(J Chrys Amphibole Nonasb Ambig/ND
No Coord <5u Elements)
“E 3
i
■r
Stiuct = > 0 5n .> 5 1 Aspect Ratio Gnd acceptance
Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification critena observed <10% particulate coverage >50% coverage ate
EDS spectrum conforming to laboratory
least 20 unfolded or overlapped gnd squares <5% F B I C M
holes or opaque areas
identificabon cnteria 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-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003431301
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000175506
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