NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume /liters): 1936
Lab Group #: 5979 Filter Type / Filter Area: MCE 385
Lab Sample #: 19 Grid Opening Size: 0.01124
Client Sample #: 19 Area Examined: 0.04496 mm^
GRLD BOX: rd?
Magnification: 20,000
GRID ID: A ccelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 11/28/01
Analysis Performed By:
MARK PEYSAKHOV
GO. Structure Structure Type Length ID of Structure NorN EDS
(Nonadb
No F B C M >=05 p :>=5(j ! Chrys Amphiboie Nonasb Ambig/ND
Elements) |
No Coord <5p
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
least 20 unfolded or overlapped grid squares <5% F B C M >5p
n/= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chiysorile
' AMPHIBOLES 1 Amphibole
F = Single Fiber Amosite
0 = Bundle {<3 fibers <1 fiber diameter apart Crocidolite ' Ambiguous
C = Cluster (>3 intersections! Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
} Actinolite
NSC = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003458487
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179223
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