NYC-WTC_000200291

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters'): 1920 Lab Group #: 7933 Filter Type / Filter Area: MCE 385 Lab Sample #: 8 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0.04496 mm= GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV ■ # Grid Openings: 4 Analysis Date: 6/1/02

Analysiii Performed By: Tf ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS (Nonadb, No F B C M >=05 u ')>=5pj Chrys Amphibole Nonasb Ambig/ND No Coord <5.1 Elements)

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7 Struct = >0.5|i> 5:1 Aspect Ratioi i Grid acceptance: Positive diffraction .pattern properties conforming to <50% undissoived filter, ovsriapped orfolded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >6tJ i 7 EDS spectrum conforming to laboratory holes or opaque areas ------1 identification criteria observed Chrysotile AMPHIBOLES I Amphibole t = Single Fiber ■ , Amosite I -3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011274792

NYC-WTC_000200298