NYC-WTC_000229144

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client rVame; NYC BOE Volume (liters): 1824 Lab Group #; 7912 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #; 16 Grid Opening Size: 0.01124 Client Sample #: 18 Area Examined: 0.04496 nun* GRID BOX: Magnification; 20,(XM) GRID ID; Accelerating Voltage: 100 KeV # Grid Openings; 4 Analysis Date; 5/30/02

Analysis Performed By: MARK PEYSAKHOV

GO. Sbucture Structure Type Length ID of Structun; N or tj EDS No (Nonadb F B C M >=05 p >=5|j Chrys Amphfccte Nonast Ambig/ND No Coord <5p Elements)

5 cS- >

-i

Struct = > O.Sp > 5;! Aspect Ratio Grid acceptance: >/= Positive dtfrection paBem properties conlorming to <50% u^<^tsso^e(l SRer, omtapped or Med Totals laboratory idenWeation criteria observed <10% pwflculatB ewerage >50% coverage ate least 20 unfoUed or overtapped gnd squares <5% F B C M >5y 'v'= EDS spectrum oonfontiing to laboratory holes or opaque areas identification cniena observed Chrysotile amphiboles Amphibole F = Single Fiber Amosite 0 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster {>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

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NYC-WTC_000229144