NYC-WTC_000203497

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 9204 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 12 Grid Opening Size: 0.01124

Client Sample #: 12 Area Examined: 0 04496 mm-

GRID BOX: Magnification: 20,000 GRID IP: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 12/23/200

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or V EDS (Nonadb No F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

1 Zx__ (j

1 i i I ; Hhoio No (from 1 in 5 asoesios containing samples) ' Gnd acceptance Struct = > 0 5tJ > 51 Aspect Ratio Totals v= Positive diffraction pattern properties conforming to <10% paniculate coverage >50% coverage ate laboratory identification catena observed least 20 unfolded or overlapped gad squares <5% notes or opaque areas F B C M I i v= EDS soectrum conforming to laboratory identification catena obsen/ed Clirysotile ! AMPHlBOLES~i r = Single Fiber Amphibole . Amosite 3 = 3unale (<3 fibers <1 fiber diameter apan I Crociaclite Ambiguous C = Cluster (>3 Intersections! , Anthophyllite Tremolite Non-Asbestos M = Matnx Actinolite Non-Identir’ied fvSD = No Structures Detected

CITY_21MC100_0 03058258

NYC-WTC_000203497