NYC-WTC_000225957

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1936 Lab Group #: 6274 Filter Type / Filter Area: MCE 385 mnV Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 1 Area Examined: 0.04496 mm=

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/6/02 .

Analysis Performed By; .^/f^ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure NorV EDS No >=05 M (Nonadb F B C M >=5(j Chrys. Amphibole Nonasb Ambig/ND. No Coord <5u Elements)

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Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to "50% ondissolved filter, overlapped or folded Totals laboratory identification criteria obsen/ed <10% particulate coverage >50% coverage ate least 20 unfolded or overiapped'grid squares <5% F B C M >5p \f'= EDS spectrum confonning to laboratory , holes or opaque areas identification criteria observed Chry'sotile AMPHIBOLES ' F = Single Fiber Amphibole Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

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