NYC-WTC_000202311

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume fliters): 1920 Lab Group #: 9210 Filter Type / Filter Area: MCE 385 mra" Lab Sample #: 5 Grid Opening Size: .0.01124 Client Sample #: 07 Area Examined: 0.04^96 mm^ GRID BOX: Magnification: 20.000 GRTDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/26/200

Analysis Performed By; . ■ MARK PEYSAKHOV

GO. Structure Structure Type Length ID of structure N or 4 EDS No (Nonadb F B C '>=05 M >=5|j Chrys Amphibole Nonasb Arabig/ND Elements) No Coord <5p

■z J -7-A

■ i ! Photo No. (Irom 1 in 5 asbestos containing samples) Grid acceptanca: Struct = >0.5p > 5:1 Aspect Ratio <50% undissoived filter, overlapped or folded Totals 4= Positive diffraction pattern prooerties corfcrming to c10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares >5p <5% holes or opaque areas F B C M 0= PD.S spectrum conforming to laboratory idemification criferia observed Chrysotile AMPHIBOLES Amphibole E = -Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Tremolite Non-Asbestos M = Matrix Actinolite Non-Ideutified NSD = No Structures Detected

CITY_21MC100_011276459

NYC-WTC_000202311