NYC-WTC_000228230

NYC 9/11 Public Portal Document

TEMAsbestos fairlCount Sheet CUent Name; NYC BOE Volume (liters): 1840 Lab Group #: 7215 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID; y Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/26/02

Analysis Performed By; MARKPEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS No >=05 y :>=5|J (Nonadb F B C M Chrys Amphibole Nonasb Ambig/ND ;No Goord <5p Elements)

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Struct = > 0.5u >5:1 Aspect Ratio Grid acceptance: •^= Positive diffraction pattern properties conforming to <50% undissolved Utter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5m >1- EDS spectrum confonning to laboratory holes or opaque areas Identification criteria observed Chrysotile j AMPHIBOLES Amphibole F = Single Fiber j Amosite B = Bundle (<3 fibers <1 fiber diameter apart ! Crocidolite Ambiguous C = Cluster (>3 Intersections) , Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified NSC = No Structures Detected Actinolite J

CITY_21MC100_006617894

NYC-WTC_000228230