NYC-WTC_000207636

NYC 9/11 Public Portal Document

TEMA tos fair) Count Sheet Client Name: . .NYC BOE - Volume (liters): 1920 Lab Group #: ■8240 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 15 Grid Opening Size: 0.0.1124

Client Sample #: -15 Area Examined: 0.04496 mm- -

GRID BOX: > Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV it Grid Openings: 4 Analysis Date: .6/23/02

Analysis Performed Bv: - . . ' ■ . ;.:..;-:kpeysakhov

GO. Structure Structure Type ■’..ongth ID of Structure Nor ■ EDS No (Nonadb F B C M -bi iJ >=5p Chrys Amphibole Nonasb Ambig/ND ‘ No Coord Elements)

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I Struct = > O.Sn > 5; 1 Aspect Ratio Grid ac.' ^/= Positive diffraction pattern properties conforming to <5G If.:.!, ..: iilter, overlapped or folded Totals laboratory identification criteria observed <10% y.: ■■■. ', verage >50% coverage ate leas: 201. ■: overtapped grid Squares <5% F B' C M >5p 'J- EDS spectrum conforming to laboratory holos O' .'■.as identification criteria observed, Chrysotile am; II.:.' -i.YS : Amphibole. F = Single Fiber i Ambiguous B = Bundle (<3 fibers <1 fiber diameter apart C = Cluster (>3 Intersections) .. ij;e Non-Asbestos M = Matrix Non-Identified NSD = No Structures Detected

CITY_21MC100_003015528

NYC-WTC_000207636