NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6606 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 8 Grid Opening Size: 0.01124
Client Sample #: 8 ■Area Examined: 0.04496 mm-
GRID BOX: Magnification: 20,000 ■
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/9/02
2?
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure Norv EDS
No (Nonadb
F B C M >=05 p ;>=5)J Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
AT-- ___
Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:
</= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
7= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
FTb c M >5u
identification criteria observed .Chrysotile
AMPHIBOLES j Amphibole
F = Single Fiber I 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_003467819
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000180984
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