NYC-WTC_000193410

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1912 I^ab GrouDjt: 8241 Filter Type / Filter Area: MCE 385 mm2 Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: 03 Area Examined: 0.04496 mm2

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or N EDS No (Nonadb F B C M >=05 p- :>=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elemenls)

■■ I

1 1 1 I Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: ■V= ’ositive diffraction pattern properties conforming to <50% undissolved, filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M V= ;;DS spectrum confonning to laboratory holes or opaque areas. identification criteria observed Chrysotile AMPHfBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster {>3 Intersections) , Anthophyllite Non-Asbestos Tremolite M = Matrix ■ Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003094615

NYC-WTC_000193410