NYC-WTC_000224792

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client xName: NYC BOE Volume (liters): 1920 Lab Group #: 7292 Filter Type / Filter Area: MCE 385 mm^ Lab Sample 7 Grid Opening Size: 0.01124 Client Sample #: 02 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/1/02

Analysis Performed By: f\,-’ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure NorV EOS (Nonadb No F B C M >=05 p i>=5|j Chrys Amphibole Nonasb Ambig/ND No Coord Elements) <5tJ

' (i ■? / f{

zr—

Struct = > O.Sp .> 5:1 Aspect Ratto Grid acceptance:

y = Positive diffraction pattern properties conforming to <50% undissoived filter, overlapped or folded Totals iaborato7 identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C I M >5|J N = EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES 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_002894630

NYC-WTC_000224792