NYC-WTC_000229168

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name; NYC BOE Voimne flitersl: 1816 Lab Group #; 7953 Filter Type /FUter Area: MCE 385 mm" Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 03 Area Examined: 0.04496 GRID BOX: Magnification: 20 GRID ID : Accelerating Voltage: 100 KeV # Grid Opeaings: 4 Analysis Date: 6/4/02 - ; Analysis Performed By: f v/' ROMAN PEYSAKHOV

GO Structure , Structure Type Leng&i IDofStnKtore Nor ■/ EDS No >=05IJ Air^hbole Monasb AmbigftiO {Nwaib F & C W >=5p Chrys Eiemeflts} <5y

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Struct^ > 0.5g >5.1 Aspect Ratio Grid 8<xe?tance: -7= Positive dlffraaoti partem properties conforming to <50% undissolveci Siter, overtapped or folded Totals latxjraKiy kiwidfiwtiqn critefiaotaerved <10% pffltieufete coverase >50% coverage ate least 20 unfoided or overlapped grid squares <5% F B C M >5m 1/ = EDS spectrum conforming to laboratory holes or t^aqije areas identificafion criteria observed Chrysotile ! AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart ' Crocidolite Ambiguous C = CItater (>3 Irriersectwis) Anthopbiylllte Non-Asbestos I Tremolite M = Matrix Actinolite Non-Identified NSD = NO StnjctJres Detected

CITY_21MC100_002902352

NYC-WTC_000229168