NYC-WTC_000228326

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1936 Lab Group #; 6363 FilterTiEe^ZilterAreaL MCE 385 mm* Lab Sampte #: 9 Grid Opening Size: 0.01124 Client Sample #; 09 Area Examined: 0.04496 mm* GRID BOX; Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/18/02

Analysis Performed By: ROMAN PEYSAKHOV

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

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Struct« > 0.5m 7> 5: t Aspect Ratio Gfidaccaptanee: Positive diffraction pattern properties conforming to <50% undiaaolved Wter, overtapped or folded Totals laboratory identifitation criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M ’5m •J- EOS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster {>3 Intersections) Anthophyllite Non-Asbestos Tremolite M= Matra Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_0 02899967

NYC-WTC_000228326