NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: WC BOE Volume (liters): 1936
Lab Group #: 5975 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 4 Grid Opening Size: 0.01124
Client Sample #: 4 Area Examined: 0,04496 mm-
GRID BOX: Magnification: 20,000
GRID ID: .gey a-M- Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 11/27/01
.Analysis Performed By:
ROMAN PEYSAKHOV
GO, Structure Structure Type Length ID of Structure N or y EDS
No (Nonaflb
F B ( C M >=05 p >=5(j i Chrys Ampniboie J Nonasb Ambig/ND
No Coord <5u Elements)
9E 77 -"Z.
1
IL
fsff----- f
Struct = > 0.5 (i _> 5:1 Aspect Ratio Grid acceptance:
7= Positive diffraction pattern properties conforming to <50% undissoived 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 I M
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
AMPHIBOLES Amphibole
F = Single Fiber Amosite
S = Bundle (<3 fibers <1 fiber diameter apad Crocidolite Ambiguous
C = Luster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Matrix Non-Identified
Actinolite
NSC = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003458440
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179197
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