NYC-WTC_000202584

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1805 Lab Group #: 9090 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 11 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRIDED: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or ’/ EDS No (Nonadb F B C >=05 p Chrys Amphibole Nonash Ambig/ND ' No I Coord <51J Elements)

/im 7 ____ ft

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Photo No. (from 1 in 5 asbestos containing samples) Grid acceptance: Struct = > O.Sfj .> 5:1 Aspect Ratio <50% undissolved filter, overlapped or folded Totals \ = Positive diffraction pattern properties corforming to <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% F B C M >5m holes or opaque areas EDS spectrum conforming to iaboratory Cbiysotila identification criteria observed AMPHIBOLES ' Amphibole F = Single Fiber Amosite i B = Bundle (<3 fibers <1 fiber diameter apar Crocidolite I Ambiguous C = Cluster {>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Deiecied . I

CITY_2lMC100_003273685

NYC-WTC_000202584