NYC-WTC_000203548

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client 5anie: XYC BOE Volume (liters): 1928 Lab Group #: 9089 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 13 Grid Opening Size: 0 01124

Client Sample #: 13 Area Examined: 0 04496 mm=

GRID BOX: Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV it Grid Openings: 4 Analysis Date: 11/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or V EDS No (Nonadb F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND No ' Coord <5p Elements)

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PnotoNo(frwTrrin5asbestosconfaim^^ Gnd acceptance Struct = > 0 5p _> 5 1 Aspect Ratio <50% undissolved filter, overlapped or folded Totals Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification criteria obsen/ed least 20 unfolded or overlapped gnd squares <5% F B C M >5|J holes or opaque areas >/= EDS spectrum conforming to laboratory Chrysotile identificatron criteria observed AMPHIBOLES | Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite Wl = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_0 03058545

NYC-WTC_000203548