NYC 9/11 Public Portal Document
TEM Asbestos fair) Count Sheet
Client Name: NYC BOE Volume filters): 1936 ■
Lab Group #: 7216 Filter Type / Filter Area: MCE 3S5
Lab Sample #: 7 Grid Opening Size: 0.01124
Client Sample #: 7 Area Examined: 0.04496 mm^
GRID BOX: Magnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 3/26/02
Analysis Performed By:
MARK.PEYSAKHOV ,
go; Structure Structure Type Length .ID of Structure N or 7 EDS
(Nonadb
No F B C M >=05 p :>=5p '• Chrys Amphibole Nonasb Ambig/ND
No Coord <5p Elements)
Struct = >0.5p >5:1 Aspect Ratio Grid acceptance:
n/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Tot^
laboratory identification criteria observed <10% particulate coverage >50% coverage ate
least 20 unfolded or overlapped gnd squares <5% F B C M >5m
7= EDS spectrum conforming to laboratory holes or opaque areas
identification criteria observed Chrysotile
, AMPHIBOLES I Amphibole
. F = Single Fiber Amosite !
S = Bundle (<3 libers <1 fiber diameter apart Crocidolite I Ambiguous
C = Cluster (>3 Intersections) Anthophyllite f Non-Asbestos
Tremolite
M = Matrix Non-ldentified
NSD = No Slructures Detected
Actinolite
.. L...
CONFIDENTIAL, CITY_21MC100_00 2723180
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000230400
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