NYC-WTC_000229223

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volame niters); 1848 Lab Group #: 8008 Filter Type / Filter Area: MCE 385 Lab Sample #: 6 Grid Opening Size; 0.01124 Client Sample #; 08 Area Examined: 0.04496 nun^ GRID BOX: Magnification; 20,000 GKrnjiL Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date; 6/8/02

Analysis Performed By: 0p ROMAN PEYSAKHOV

GO. Structure Structure Type length ID of structure N or < EOS (NOfjadb No F B C M >=05 p >=5ij Chrys AmpIdiolB Nonasb Arrto^D Etemenls)

^0 No Coord <5m

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Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: ■V* PosiSve diffracdon pattern properties confomning to ***' Totals teboratny identtficationr“ . . criteria observed ’ <10% particulate coverage >50% coverage ate least 20 unfolded or overtepped grid squares <5% F B C M >/= EDS spectrum conforming to laboratory botes or opaque areas identification criteria observed Chrysotile I AMPHIBOLES A tn»iin»iiir F = S»i9le Fiber ! Amosite B = Bundle (<3 fibers <1 fiber diameter apart j CroddolitB Ambiguous C = Cluster (>3 intersections) i Anthophyllite Non-Asbestos Tremolite J M = Matrn i Actinolite I Non-Identified NSC = No Structures Detected

CITY_2IMCl00_000491750 NYC-WTC_000229223