NYC-WTC_000229291

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name; NYC BOE Volume fitters): 1832 Lab Group #: 8108 Filter Type / Filter Area: MCE 385 mm" Lab Sample#; 10 Grid Opening Size: 0.01124

Client Sample #; 12 Area Examined: 0.04496 mm"

GRIP BOX; Magnification: 20 000 GRID IP: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/15/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure SfructureType Length lOofS&ucltre Nor V EDS No An*.g/ND {Nonadb F B C M >=05 p I >=5p Chrys Atnphboto Nonas!) Etements) No Coord <5p

J? ■------------- -

Struct = > 0.5g > 5:1 Aspect Ratio Grid acceptance: <= Positive diffraction psttern properties contor7rnr.g to ‘^^^undissofved fitter, overtop or folded Tot^ - iaboiatwy identtficatiofi criteriat-observed ■» <10% parSadate coverage >50% coverage ate least 2Q unfolded or overtapped grid squares <5% F B C M >5p EOS spectrum contoiming to latwratwy holes or opaque areas identificatton criteria obaerved Chrysotile AMPHIBOLIC Amphibole F = Single Fiber Amosite 0 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) AfjthophyHite Non-Asbestos Trenwliie M^Matrw Actinolite Non-Identified NSD = No Siructures Detected

CITY_21MC1OO_OOO491877 NYC-WTC_000229291