NYC-WTC_000217664

NYC 9/11 Public Portal Document

TEM COS (air^ Count Sheet Client Name: NYC BOE Volume (liters): 1807.5 Lab Group #: 8241 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 8 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0.04496 mm"

GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed I if PEYSAKHOV

GO. Structure Structure Type .ngth ID of Structure N or EDS No (Nonadb F B C M Chrys Amphibole Nonasb Ambig/ND No Coord Elements)

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I I

H 1

Struct = >0.5p >5:1 Aspeci :iatii’ Gi

>/= Positive diffraction pattern proper les ccniorin ng to '■ ;ter, overlapped or folded Totals laboratory identification criteria ofcsc ,'ed erage >50% coverage ate overlapped grid squares <5% F B C M >5p EDS spectrum conforming to la; jralory rs identification criteria observed Chrysotile ' ;s Amphibole F = Single Fiber B = Bundle (<3 fibers <1 fiber diainc jr apart Ambiguous C = Cluster (>3 Intersections) Non-Asbestos M = Matrix ■ Non-ldentified NSD = No Structures Delected

CITY_21MC100^002877519

NYC-WTC_0002 17664