NYC-WTC_000228451

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 7295 Filter Type / Filter Area: MCE 3S5 mm- Lab Sample#; 16 Grid Opening Size: 0.01124 Client Sample #: 18 Area Examined: 0.04496 mm^ GRID BOX: GRID IP: w Magnification: Accelerating Voltage: 100 KeV 20,000

Analysis Date: 4/1/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS ! No- (Nonadb j F B C M >=05 M Chrys Amphibole Nonasb Ambig/ND No Coord <5tJ Elements) I i <’

a -jI-J

Struct = > 0 5)j > 5: i Aspect Ratio Grid acceptance; Positive difraction pattern properties confoming to <50% undiMOlved filter, overlapped or folded Totals laboratory identification criteria observed <10% particutate coverage >50% coverage ate

V = EDS specb um conforming Io laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas _____ 12 B C M : identification cntena observed Chrysotile j .amphiboles ' Amphibole i F = Single Fiber Amosite B = Bundle (<0 fibers <1 fiber diameter apart Crootdolite ' Ambiguous j C = Cluster (>S Intersections) Anthophyllite Non-Asbestos J Tremolite M - Matrix Actinolite , Non-ldentified i i i NSO = No Strictures Detected

CITY_21MC100_002900618

NYC-WTC_000228451