NYC-WTC_000206159

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Wanen & Panzer Volume (liters): 1530 Lab Group #: 8298 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 5 Grid Opening Size: 0.01124 Client Sample #: 07 Area Examined: 0.0562 mm^ GRID BOX: Magnification: 20,000 GRID ID: 5SF Accelerating Voltage: 100 KeV # Grid Openings: 5 Analysis Date: 6/27/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure Nory EDS No (Nonadb F B C M >=05 u >=5|j Ctirys Amphibole Nonasb Ambig/ND No Coord <5iJ Elements)

I 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 i C M >5u v= 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 apar Crocidolite Ambiguous C = Cluster {>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSO = No Structures Detected

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NYC-WTC_000206159