NYC-WTC_000201716

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE V olume filters'): 1880 Lab Group #: - 7105 - Filter Type / Filter Area: MCE 385 mm" Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: 07 ■ 1^ Area Examined: 0.04496 mnY GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/16/02 '

Analysis Performed By: t ROMAN PEYSAKHOV

G0._ Structure Structuj?Type l Length ID of Structure N or EDS, (Nonadb No F ■B C M >=05 p ~~>=5iJ Chrys Amphiboie Nonasb. Ambig/ND . No i Coord <5tJ i Elements)

■

—M— 7

Struct = > t3.5p > 5:1 Aspect Ratio Grid acceptance: i ■ •/= Positive diffraction pattern properties conforming to ■ <50% undissoived filter,-overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% B C M >5p v/= EDS spectrum oonlorming to laboratory holes or opaoue areas 1 identification criteria observed Chrysotile AMPHIBOLES Amphibole P = SingleFiber / t Amosite 3 = .Bundle (<3 fibers.<1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) : ■> Anthophyllite Non-Asbestos Tremolite W = Matrix , / t Actinolite Non-ideutified NSD =No Structures Detected')

CITY_21MC100_005389937

NYC-WTC_000201716