NYC-WTC_000229075

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; NYC BOE Volume filters): 1800 Lab Group #; 7873 Filter Type / Filter Area: MCE 385 Lab Sample #: 12 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20 000 GRIP ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/25/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length !D of Structure N or V EDS (Nonadb No F B C M «05p >=5iJ Chrys Ampftiboie Nonasb Ambig/ND <5p Element)

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: Struct = > 0,5p >5:1 Aspect Ratio Qfid acceptance: . '■'= Positi.edillracttor pattern properties conforming to <50% undissatved Slier, at/ertapped a'folded Totals laboratory identification criteria observed <10% pancutate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5u 1/= EOS spedrum conforming to laboratory holes or opaque areas idenfflcation aiterta observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite S = Bundie {<3 fibere <1 fiber diameter apart Crocidolite Ambiguous C > Cluster (>3 Intersections) Antti op hy tite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSO = No Structures Detected

CITY_21MC100_002902149

NYC-WTC_000229075