NYC-WTC_000229173

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; NYC BOE Volnme (liters); 1864 Lab Group #: 7953 Filter Type ZFUter Area: MCE 385 mm’ Lab Sample 8 0.01124 Client Sample #; 10 Area Examined: 0.0449S mm’ GRID BOX; Magnification: 20 000 GRlPa): Accelerating Voltage: 100 KeV # Grid Openings; 4 Analysis Pate: 6/4/02

/• Analysis Performed By; -0^ ROMAN PEYSAKHOV

GO. Structure Structure Type Length lOolSteictutB N or y EDS , J (Nonadb No F 5 C M >=06p >=5p Chrys Ampfliote Nonasb : No! Coord <5m Etementa)

Struct * > 0.5g >5:1 Aspect Ratio eno acceptance; Positive difftacUon pattern properties oonformteg to <50% undissohred titter, ovenapped or folded lotah iaturatory icentificarion siteia obsaved <10% particutate oovefaoe >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M 'I-EOS spaeSiim conforming to laboratory troies or opaque areas identtficaliorv criteria obsaved Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite 0 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C» Cluster (>3 intarsectionsi j Anthophyllite Non-Asbestos Tramoiite MiMabix Actinolite Non-Identified NSO = No Structures Detected

CITY_21MC100_002902359

NYC-WTC_000229173