NYC 9/11 Public Portal Document
TEM . cstos (air) Count Sheet
Client Name: NYC BOE Volume (liters): 1800
Lab Group #: 8242 Filter Type / Filter Area: MCE 385 mm^
Lab Sample #: 16 Grid Opening Size: 0.01124
Client Sample #: 18 Area Examined: 0.04496 mm^
GRID BOX: Masnification: 20,000
GRID ID: Accelerating Voltage: 100 KeV
# Grid Openings: 4 Analysis Date: 6/23/02
Analysis Performed 1> :
KKPEYSAKHOV
GO. Structure Structure Type Length ID of Structure N or 7 EDS
(Nonadb
No F B C - .O (J Chrys Amphibole Nonasb Ambig/ND
No Coord Elements)
I
Struct = > 0.5p >5:1 Aspect Ratio Glr.
>/= Positive diffraction pattern properties conforming to ' . I filter, overlapped dr folded Totals
coverage >50% coverage ate
laboratory identification criteria observed '
I or overlapped grid squares <5% F B C M >5u
7= EDS spectrum conforming to laboratory ii ; iieas
identification criteria observed Chrysotile
.ES Amphibole
F = Single Fiber
B = Bundle (<3 fibers <1 fiber diameter apart Ambiguous
C = Cluster (>3 Intersections) ;i,te Non-Asbestos
M = Matnx Non-Identified
NSO = No Structures Detected
CONFIDENTIAL, CITY_21MC100_003461775
SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008
NYC-WTC_000179897
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