NYC-WTC_000201259

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters'): ISO'O Lab Group #: Filter Type / Filter Area: MCE 385 mnV Lab Samitle #: 13 Grid Opening Size: 0.01124

Client Sample #: 13 Area Examined: 0.04496 nW

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

Analysis Performed By: MARK'PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or v .. EDS (Nonadb No F B C 'M " >=5p Chrys Amphibcle Nonasb .Ambig/ND No Coord <5m Eiements)- ■

Struct = > O.Sp > 5:1 .Aspect Ratio Grid acceptance: ‘ 4= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria obse.ved - <10% particulate coverage >50% coverage ate. feast 20 unfolded or overlapped grid squares <5% F B C M 4= EDS spectrum conforming to laboratori' holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F - Single Fiber .Amosite 5 - Bundle 1<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster i'>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actirolite NSD = No Structures Detected .

CITY_21MC100_011275544

NYC-WTC_000201271