NYC-WTC_000201993

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7195 7 Filter Type / Filter .Area: MCE 385 mm* Lab Sample #: 4' Grid Opening Size: O.Ql 124 Client Sample #: 04 Area Examined: 0.04496 GRID BOX: Magnification: ) 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/24/02

Analysis Performed By: MARK PEYSAKHOV

GO/ Structure Structure Type Length ID of structure N or v EPS JNonadt No F B G M >=05 u ~~ ^=5iJ Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

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•r ? Struct = > 0.5|j > 5; 1 Aspect Ratio Grid acceptance; Positiveditractlon pattarn propertiesconforming to <50% undissoived filter, overlapped or folded Totals laborotory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% G M >5|J 7= EDS specifum conforming to laboratory holes or opaque areas F /B identification criteria observed, Chrysotile I AMPHIBOLES Amphibole F = Single Fiber ' Amosite B = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite Ambiguous C = Cluster (>3 Intersections) I Anthophyllite Non-Asbestos f Tremolite Mi.Mattx Non-Identified Actinolite NSD = No Structures Detected ;

CITY_21MC100_011275957

NYC-WTC_000201993