NYC-WTC_000201374

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet CliyilNain^ NYC BOE Volume (liters): 1800 Lab Group #: 7381 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 16 Grid Opening Size: 0.01124

Client Sample #: 16 Area Examined: 0.04496 mm"

GRID BOX: /v'z7 Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure ; Structure Type Length ID of Structure N or '1 EDS i (Nonado No IF B C M '=05 M >=51J Chrys Amphibole i Nonasb Ambig/ND No Coord Elements) <5u -______ / fV Cu. Asts J___ Yf

s Struct = >0.5p .>5:1 Aspect Ratio Grid acceptance; 7 Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particirlate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p 7= EDS spectrum conforming to laboratory holes or opaque areas identification criieria observed Clu'ysotile I AMPHIBOLES Amphibole F = Single-Fiber -Amosite B = Bundle {<3 fibers <1 fiber oiameter apart Crocidolite Ambiguous -C = Cluster (>3 Intersections) Anthopriyllite Non-Asbestos Tremolite M = Matrix Non-ldentified Actinolite NSD = No Structures Detected

NYC-WTC_000201389