NYC-WTC_000204708

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1920 Lab Group #: 7292 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 1 Grid Opening Size: 0.01124

Client Sample #: 01 Area Examined: 0.04496 mm’

GRID BOX: GRID ID: Ml. A gg Magnification: Accelerating Voltage: 20,000 100 KeV. 1/ Grid Openings: 4 Analysis Date: 4/1/02

/J//J Analysis Performed By: f X-f ROMAN PEYSAKHOV

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

7 rr li

Struct = > 0.5n >5;l .Aspect Ratio Grid acceptance;

\ = Positive diffraction pattern properties conforming to <50% undissoived filter, overlapped or folded Totals laboratory identific.ation criteria otiserved <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% ; F ; B I C M I >=U = EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile । i ■AMPHIBOLES Amphibole F = Single Fiber Amosite E = Bundle '<3 fibers <1 fiber diameier apart Crocidolite Ambiguous i C = Cluster ;>3 intersections) Anthophyllite Non-Asbestos : i Tremolite M = Matrix Non-ldentified Actinolite FSD = No Structures Detected

CITY_21MC100_003061755

NYC-WTC_000204708