NYC-WTC_000196851

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 9210 Filter Type / Filter Area: MCE 385 mm- Lab Sample 1 Grid Opening Size: 0.01124 Client Sample #: 03 Area Examined: 0 04496 mm-

GRIP BOX: jVlagnilication: 20,000 GRIP ID: Accelerating Voltage: too KeV # Grid Openings: 4 ■Analysis Pate: 12/26/200

■Analysis Performed By: MARK PEYSAKHOV

j GO Structure Structure Type Length ID of Structure n or v/ EDS No (Nonadb i F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND I No Coord <5|j Elements)

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I I Hhoio No (from 1 in a asbestos com ining samples) Gnd acceptance Struct = > 0 5p >51 Aspect Ratio <50% undissolved filter, overiaoped or folded Totals <= Positive diffraction pattern properties conforming to <10% carticulate coverage >50% coverage aie laboratory identification criteria ooserved least 20 unfolded or overiaoped grid squares >5u i <5% holes or opaque areas F B C ( M v= EDS spectrum conforming to .aPorator/ loentification cnteria observed Chrysotile ! AMPHIBOLES j Amphibole F = Single Fiber Amesite S = Bundle t<3 fibers <1 fiber diameter aoart Crocidolite Ambiguous C = Cluster (>3 Intersections) i Anthophyllite i ! Tremolite i Non-Asbestos M = Ma fox Actinolite >ion-Identified MSD = .No Structures Detecied

CITY_21MC100_003057932

NYC-WTC_000196851