NYC-WTC_000200798

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NAT BOE VolumeJIitersL 1805 Lab Group #: 7660 Filter Type / Filter Area: MCE 385 Lab Sample #: 16 Grid Opening Size: 0.01124 Client Sample #: 16 Area Examined: 0.04496 mm" GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/7/02

Analysis Performed By: . / MARK PEYSAKHOV

GO. Structure Structjre Type Length ID of Structure IN or 4 EDS No (Nonadt F B C M 1 >=05 rt Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

3

Struct = > O.Sp > 5: i Aspect Ratio Grid acceptance: .5

y = Positive diffraction pattern properties conforming to undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10%.particulate coverage >50% coverage ate

EDS spectrum conforming to laboratory least 20 unfolded of oveifapped grid squares <5% F bTC M identification criteria observed holes or opaque areas Chrysotile —h- AMPHIBOLES j Amphibole F = Single Fiber Amosite I B = Bundle (<3 fibers <1 fiber diameter apad Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite : Non-Asbestos T remoiite > M = Matrix Non-Identified Actinolite I NSD = No Structures Detected

CITY_21MC1OO_O11275152

NYC-WTC_000200813