NYC-WTC_000211313

NYC 9/11 Public Portal Document Client Name: Lab Group #: Lab Sample #: Client Sample #: GRID BOX: GRID ID: # Grid Openings: 4 NYC BOE 8209 14 14 125o §ero Analysis Performed By: TEM Asbestos (air) Count Sheet Volume (liters): 1805 Filter Type / Filter Area: MCE 385 mm? Grid Opening Size: 0.01124 Area Examined: 0.04496 mm? Magnification: 20,000 Accelerating Voltage: 100 KeV Analysis Date: 6/22/02 GO. Structure No No Coord Bor íKi e8s 60 4JE = Structure Type FB MARK PEYSAKHOV Length >=05 u >=5y Amphibole ID of Structure Nor Nonast Ambig/ND Struct = > 0.5p > 5:1 Aspect Ratio V= Positive ditfraction pattem properties conforming to laboratory identification criteria observed V= EDS spectrum conforming to laboratory identification criteria observed F = Single Fiber B = Bundle (<3 fibers ‹1 fiber diameter apart C = Cluster (>3 intersections) M = Matrix NSD = No Structures Detected Grid acceptance: <50% undissolved filter, overtapped or tolded ‹10% particulate coverage >50% coverage ate east 20 unfolded or overlapped grid squares <5% holes or opaque areas AMPHIBOLES Anosite Crocidolite Anthophyllite Tremolite Actinolite Totals FB C M Chrysotile Amphibole Ambiguous Non-Asbestos Non-Identified CITY_21MC100_002863914 NYC-WTC_000211313