NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client i^ame: NYC BOE Volume (liters): 1816
Lab Group #~ 6854 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #• 14 Grid Opening Size: 0 01124
Client Sample #: 16 xArea Examined: 0 04496 mm-
GRID BOX J Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 2/27/02
Analysis Performed By:
MARK PEYSAKHOV
GO Structure Structure Type Length ID of Structure N or \ EDS
(Nonadb
No F B C ! M >=05 u Chrys Amphiaole Nonasb Ambig/ND
No Cooid Elements)
-- i-- <5p
3
Stiuct = > 0 Spi -’5 1 Aspect Ratio Grid acceptance
Positive diffraction pattern properties conforming to ^^0% undissolved filter, overlapped or folded Totals
:10% particulate coverage >50% coverage ate
laboratory identification criteria observed
\= EDS spectrum conforming to laboratory
least 20 unfolded or overlapped grid squares <5%
holes or opaque areas
F : B c M >5p
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-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC1OO_OO3O88921
NYC-WTC_000190253
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