NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
CUient Name: WC BOE Volume (liters): 1808
Lab Group #: 7987 Filter Type / Filter Area: MCE 385 mm’
Lab Sample #: 18 Grid Opening Size: 0.01124
C lient Sample #: 21 Area Examined: 0.04496
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 6/6/02
Analysis Performed By:
MARK PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or 7 EDS
No (Nonadb
F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
7=- Positive diffraction pattern properties ccnforming to <50% undissoived filter, overlapped or folded Totals
laboratory identification criteria otserred <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B C Mp5p
7= EDS spectrum conforming to laboratonz
identification criteria observed
holes or opaque areas
j AMPHIBOLES
Chrysotile
Amphibole
n I
F:: Single Fiber Amosite
B = Bunale (<3 fibers <1 fiber diameter apart j Crocidolite Ambiguous
C = Cluster (>3 intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CITY_21MC100_003094205
NYC-WTC_000193142
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