NYC-WTC_000201528

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters'): 1920 Lab Group #: 7483 Filter Type / Filter Area: MCE 385 Lab Sample #: Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm‘ 7> GRID BOX: Magnification: 20,000 GRID ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/20/02

Analysis Performed By: ROMAN PEYSAKHOV,

GO, Structure i Structure Type Length ID of Structure N or 7 EDS (Nonadb No fT B C' M M ■ I >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5)1 Elements)

YP li

,2-32 ilX -- ■

Struct = > 0.5)1 > 5:1 Aspect Ratio Grid acceptance: ■V= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Tot^ laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% _ F B C M >5u ■/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile ; AMPHIBOLES Amphibole F - Single Fioer Amosite B = Bundie (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Ashestos i Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

NYC-WTC_000201528