NYC-WTC_000202034

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7146 Filter Type / Filter Area: MCE 385 mirf Lab Sample #: 8 Grid Opening Size: 0.01124 12 ;/ Client Sample #: 08 y Area Examined: 0.04496 mm"

GRID BOX: Magnification: 20,000, GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/20/02

Analysis Performed By: 2 Y : 2ROMAN PEYSAKHOV

GO. Structure- Structure Type Length ID of structure . N or v' EDS , (Nonadb No F B M >=05 (J :Chrys Amphibole Nonasb Ambig/ND’ Mol Goord <5p Elements)' ■

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■' -'I' 2 1 I ji . Struct = > C.5(1 >5:1 Aspect Ratio , Grid acceptance: ■/= Positive ditfraction pattern properties conforming to <50% undlssoived 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 >5u v/= EDS spectrum conforming to laboratory . ' holes or opaque areas identification criteria observed Chrysotile i AMPHIBOLES i Amphibole F = Single Fiber i ! Amosite B = Bundle i<3 fibers <1 fiber diameter apart r Crocidolite Ambiguous C = Cluster (>3 Intersections) 2 Anthophyllite Non-Asbestos Tremolite M = Matrixi Non-Identified Actinolite 'nSD = No Structures Detected

CITY_21MC100_011276027

NYC-WTC_000202034