NYC-WTC_000201127

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Warne: NYC BOE Volume (liters): 1814.5 Lab Group #: 7887 : Filter Type / Filter Area: MCE 385 mm’ Lab Sample #: 14 Grid Opening Size: 0.01124 Client Sample #: 14 Area Examined: 0.04496 mm^ GRID BOX: Magnincation: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/27/02

Analysis Performed By: MARK PEYSAKHOV

/'.GO; Structure Structure Type Length IC of Structure N pr / EDS . (Nonadb No ■ Coord Npi ; F B e M ■ >=05 u <5m >=5p Chrys Amphibole Nonasb Ambig/ND Elements)

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12’ Struct = > 0.5n > 5:1 Aspect Ratio y ■ Grid acceptance; I Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded! ) Totals J laboratory ideritification criteria observed !T <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% - F B C M >5p 2'7= EDS spectrum conforming to laboratory holes or opaque areas t fl-'Identification criteria observed Chrysotile ; AMPHIBOLES ' ) Amphibole i l l, F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous r -; r c = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix , Non-Identified Actinolite ftSD = No Structures Detected .

CITY_21MC100_011275435

NYC-WTC_000201140