NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1920
Lab Group #: 6999 Filter Type / Filter Area: MCE 385 mm-
Lab Sample #: 1 Grid Opening Size: 0.01124
Client Sample #: 01 Area Examined: 0.04496 mm-
GRID BOX: 9// Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/9/02
Analysis Performed By:
------- ROMAN PEYSAKHGV
GO Structure Structure Type Length ID of Structure NorN EDS
No >=05 p I Amphibole | Nonasb Ambig/ND
(Nonadb
F B C M Chrys Elements)
No Coord
-7"
IP
-X-
J.
Struct = > 0.5J > 5;1 Aspect Ratio Grid acceptance;
Positive diffraction pattern properties conforming to "^0% undissolved firter, overlapped or folded Totals
,.u____ -u
laboratory criteria observed.
__________________
identification <10% paiticulate coverage >50% coverage ate
least 20 unfolded or overlapped grid squares <5% T F B C M >5y
EDS spectrum conforming to laboratory holes or opaque areas
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
T remolite
M = Matrix Non-Identified
Actinolite
NSD = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003468419
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000181383
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