NYC-WTC_000191994

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet ClientNam^ NYC BOE Volume (liters): 1920 Lab Group #: 8295 Filter Type / Filter Area: MCE 385 Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: 2 Area Examined: 0.04496 mm^

GRID BOX: < Magnification: 20,000 GRID ID: Accelerating VoItage: 100 KeV # Grid Openings: 4 Analysis Date: 6/26/02 Analysis Performed By: Pjj

ROMAN PEYSAKHOV

GO. Structure Structure Ty re Length ID of Structure N or V EDS No (Nonadb F B C >=05 p :>=5|j Chrys Amphibole Nonasb Ambig/ND Elements) No Coord <5(1

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Struct = > 0.5(1 >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolwed filter, overiapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped grid squares <5% F B C M >5u EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos ! Tremolite M = Matrix Non-Ideiitified 1 Actinolite NSD = No Structures Detected L

CITY_21MC100_003092059

NYC-WTC_000191994