NYC-WTC_000218114

NYC 9/11 Public Portal Document Client Name: Lab Group #: Lab Sample #: Client Sample #: GRID BOX: GRID ID: # Grid Openings: 4 NYC BOE 6910 6 06 263K Analysis Performed By: TEM Asbestos (air) Count Sheet Volume (liters): 1920 Filter Type/ Filter Area: MCE 385 min- Grid Opening Size: 001124 Area Examined: 0.04496 mm- Magnification: 20.000 Accelerating Voltage: 100 KeV Analysis Date: 3/3/02 GO Coord ziz 2 4с Dic Structure NO 180 Structure Type B IM MARK PEYSAKHOV Length >=05 p >=5u Amphibole ID of Structure Nor Nonasb Chrys Ambig/ND EDS (Nonado Elements! Struct = > 0.Su > 5:1 Aspect Ratio V= Positive diffraction pattern properties conforming to laboratory identification crlteria observed V= EDS spectrum conforming to laboratory Identification critena observed F = Single Fiber 8 = Bundle (<3 fibers <1 fiber diameter apar C = Cluster (>3 Intersections) M = Matrix NSD = No Structures Detected Grid acceptance: <50% undissolved filter, overlapped or folded <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% hales or opaque areas AMPHIBOLESR Amosite Crocidolite Anthophyllite Tremolite Actinolite Totals FB M >5u Chrysotile Amphibole | Ambiguous | Non-Asbestos Non-Identified NYC-WTC_000218114 CITY_21MC100_000465909