NYC-WTC_000187081

NYC 9/11 Public Portal Document

TEMAsbestos(airXCoiintSheet Client Name: Warren & Panzer Volume (liters): 1350 Lab Group #: 8445 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample 04 Area Examined: 0.06744

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV U Grid Openings: 6 Analysis Date: 7/11/02

Analysis Performed By: MARKPEYSAKHOV

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

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Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, 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 >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES ' Amphibole F = Single Fiber Amosite B = Bundle {<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_011076959

NYC-WTC_000187081