NYC-WTC_000202151

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE 1944 Volume filters'): Lab Group #: 8719 Filter Type / Filter Area: MCE 385 mnV Lab Sample #: 11 Grid Opening Size: 0.01124 Client Sample #: 11 Area Examined: 0.04496 inm= GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 8/20/02

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or 7 EDS (Nonadb No F B C M >=05 p ; ■=5p Chrys Amphibole Nonasb Ambig/ND Elements) __ No Coord <5p. /K2 11 a

Strucl = G 5jj > 5:1 Aspect Ratio Grid acceptance: V = FoSitve diffraction pattern properties conforminc to undissolved filter, overlapped or folded Totals laboratory ideniification C'iteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% C M >5p Ti ED^. spectrum conforming to laboratory noIes or opaque areas identification criteria observed Chrysotile i AMPHIBOLES i Amphibole F = Single Fiber Amosite E = Bundle (<3 fibers <1 fiber diameter apart ' Crocidolite Ambiguous C-= Clbstsr(>3 Intersections) Anthophyllite Non-Asbestos , Tremolite .M a IMatrix Non-Identified Actinolite hSD = No Structures Detected

CITY_21MC1OO_OO327O321

NYC-WTC_000202161