NYC-WTC_000201406

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1840 Lab Group #: 7404 Filter Type / Filter Area: MCE 385 mm? Lab Sample #: 10 Grid Opening Size: 0.01124

Client Sample #: 10 Area Examined: 0.04496

GRID BOX: Magnification: 20,000 GRID ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/13/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure No Structure Type F B C M >=05 (J Length >=5|J EZZ Ghrys ID of structure Amphibole Nonasb Nor 7 Ambij/ND EDS (Nonadb No Goord <5tJ Elements) ■7.7 Z (Z 2- y—

Struct = > 0.5n.>5:l Aspect Ratio Grid acceptance: -/'Positivediffraction pattern properties conforming to <50% undissolved filter, overlapped or folded I Totals laboratory identification criteria observed ■ <1D% particulate coverage >50% coverage ate

V= EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas F B e M identification criteria observed Chrysotile ! AMPHIBOLES Amphibole !- = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite , Non-Asbestos Tremolite M = Matrix NSD = No Structures Detected Actinolite Non-Identified I

NYC-WTC_000201415