NYC-WTC_000201095

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1920 Lab Group #'. 7874 Filter Type / Filter Area: MCE 385 Lab Sample #: 12 Grid Opening Size: 0.01124 Client Sample #: 12 Area Examined: 0.04496

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/25/02

Analysis Performed By: 07^ ROMAN PEYSAKHOV

GO. I Struciure Structure Type Length ID of Structure N or 7 EDS ■ I ■ . No (Nonadb I F I B C M >=05p - -I Chrys Amphibole Nonasb Ambig/ND iu No Coord <5p Elements)

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31 Struct = > 0.5|i > 5:1 Aspect Ratio 3 Grid acceptance: i t Positive diffraction pattern properties ccnforming to unoissolved filter overlapped or folded Totals I ;' y laboratory identification criteria observed <107o paniculate coverage >5G% coverage ate ■ least 20 Unfolded or overlapped grid squares <5% F ! B C M >5p. • y/= EDS spectrum conforming to laborator/ holes or opaque areas identification critena observed Chrysotile t AMPHIBOLES Amphibole rr • r F = Single Fiber Amosite t B = Bundle <3 fibers <1 fiber diameter apart Crocidolite Ambiguous r C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite . . M = Matrix i Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011275390

NYC-WTC_000201106