NYC-WTC_000200814

NYC 9/11 Public Portal Document

TEM Asbestos fairVCount Sheet Client Name: N YC BOE Volume /liters): 1840 . Lab Group #: 7670 Filter Type / Filter Area: MCE 3 85 Lab Sample #: Grid Opening Size: 0.01124 Client Sample #: 01 Area Examined: 0.04496 mm^ GRID BOX: zWZ Magnification: 20,000 GRID ID : Accelerating Voltage- TOO KeV # Grid Openings: 4 Analysis Date: 5/8/02

Analysis Performed By: __ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ‘ ID of Structure N or 7 EDS. I No 1 F (Nonadt B C M >=05 p I Chrys Amphibole Nonasb Ambig/ND No ■ Coord <5tJ Elements)

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- / V A 2. if

Struct = > 0.5n ,> 5:1 Aspect Ratio Grid acceptance:. 7= Positive diffrartion pattern properties conforming to undissolved filter, overtapped or folded ■ Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded oroveriapped grid squares <5% F B C v/= EDS spectrum contorming to laboratory holes or cpaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber i Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections; 1 Antbophyliite Non-Asbestos j Tremolite M = Matrix Non-Identified NSD = No Structu'es Detected Actinolite !.

CITY_21MC100_011275156

NYC-WTC_000200814