NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume /liters): 1920
Lab Group #: 6821 Filter Type / Filter Area: MCE 385 mm"
Lab Sample #: 1 Grid Opening Size: 0.01124
Client Sample #: 1 Area Examined: 0.04496 mm-’
GRIP BOX. Magnification: 20,000
GRIP ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Pate: 2/24/02
Analysis Performed By: rV
ROMAN PEYSAKHOV
GO Structure Structure Type Length ID of Structure N or n EDS
(Nonadb
No F B C M =5|j Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
____
z ? A? (/
7 ____
Struct = > 0,5p >5:1 Aspect Rabo Grid acceptance:
4= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals
laboratory identilication criteria observed
<10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% F B I C M >5y
-/= EDS spectrum conforming to laboratory
identification criteria observed
holes or opaque areas
Chrysotile H—
AMPHIBOLES Amphibole
F = Single Fiber Amosite
0 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
T remolits
M = Matrix Non-Identified
Actinolite
NSD = No Structures Delected
CONFIDENTIAL, CITY_21MC100_003468137
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181209
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