NYC 9/11 Public Portal Document
TEM Asbestos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 2000
Lab Group #: 6896 Filter Tvpe / Filter Area: MCE 3S5 mm-
Lab Sample #: Grid Opening Size: 0.0 i 124
Client Sample #: 07 Area Examined: 0.04490 m
GRID BOX: Magnification: 20.000
GRID ID : Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/2/02
Analysis Performed By:
ROMAN PEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or EDS
(NonadC
No F B C M >=05 M Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
-£‘4- f
I2. _EZ
—U__
-4__
Struct = > 0.5p > 5:1 Aspect Ratio Gnd acceptance;
\l= Positive diffraction pattern properties conforming to <50% undissolved filler, overlapped or folded Totajs
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overtapped grid squares <5% F B C M >5p
v= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysonle
AMPHIBOLES Amphibole
r = Single Fiber Amosite
B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous
C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos
Tremolite
M = Main*
Actinolite Non-ldentified
I !
NSD = No Structures Detected
CITY_21MC100_000465890
NYC-WTC_000218103
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