NYC-WTC_000229297

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume niters): 1832 Lab Groap #: 8119 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: II Grid Opening Size; 0,01124

Client Sample #: 13 Area Examined: 0.04496 mm*

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

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Skucture Type Length ID of Structure N or 4 EDS (Nonadb No F B C M >=05 M >=5(J Chrys Amphixjte Nonasb AmbisW No Coord <5p Elements)

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Struct - > O.Sp > 5:1 Aspect Ratio Grid aoceptanee: Positive diffraction pattern properties conforming to <50% undisBoived Riar. overlapped or toWed Totals latxxatory identification criteria otsenred <10% partiariate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5m EDS spectrum oonforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHISOLES ] Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 ItilersecfBnsj Anthophyllite i Non-Asbestos Tremolite M^Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_2IMCl00_000491902 NYC-WTC_000229297