NYC-WTC_000228786

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume filters): 1800 Lab Group #: 7656 Filter Type / Filter Area; MCE 385 mm" Lab Sample #: 7 Grid Opening Size: 0.01124

Client Sample #: 09 Area Examined: 0.04496 mm" GRID BOX: Magnification: 20 000 GRID IP: Accelerating Voltage; 100 Ke V # Grid Openings: 4 Analysis Date: 5/6/02

Analysis Performed By: A/' ROMAN PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or V EDS No (Noradb F B C M >=06 M >=5(J Chrys Amphibole Nwasb Ambig/NO No Coord Y5|J ElemenfiJ

Struct = >0.5p > 5:1 Aspect Ratio Grid acseponce; . y-Positive diffraction pattern properties conforming to <50% urtdissotved filter, oieriappeO or folded Totals laboratory identificairan criteria observed <10% pardculste coverage >50% coverage ate least 20 unfokjed or overlapped grid squares <5% F B C M ^5p ■'J= EDS spectrum conforming to laboratoiy holes or opaque areas idensficaiion criteria observed Chrysotile AMPHIBOLES Amphibole F-Single Fiber Amosite 0 = Sundle (<3 fibers <1 fber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersecticns) Andiophyttite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified .L NSD = No Structures Detected

CITY_21MC100_002901688

NYC-WTC_000228786