NYC-WTC_000229162

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; NYC BOE Volume niters): 1912 Lab Group #; 7938 Filter Type / Filter Area: MCE 385 Lab Sample #i 6 Grid Opening Size; 0.01124 Client Sample #: 06 Area Examined; 0.04496 mm’ GRID BOX: Magniflcaaon; 20, GRID IP; Accelerating Voltage; 100 KeV # Grid Openings: 4 Analysis Pate; 6/2/02

Analysis Performed By; MARK PEYSAKHOV

GO. Structure Structure Type Length lOiXSlnicttite N or V EDS No Anptiiboie (Nonidb F B C M >=<5p j >’5p Chrys Honasb Ambig/NQ No Coord <5y Elements)

i------- h I---- 1

Struct = > 0.5(1 -> 5; 1 Aspect Ratio Grid acceptance; Positive diltraction Wttem prooerfies conforming to <S0% uttdissebad fitter, overtappeo or folded Totals laboratory idantificatlw criteria observed <10% paiVctMate coverage >50% coverage ate toast 20 iflttoKted er ovsflapped grid squares <5% F B C M >5y EDS spectrum corforming to laboratory holes or opaque areas idenfificatiorf criteria observed Chrysotile AMPHIBOLES Amphibole" FI Single Fif»t Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous Cluster (>3 (nterssefions) Anthophyllite Non-Asbestos Tremolite M= Matrix Actinolite Non-Identificd NSD = No Sbuctures Detected

CITY_21MC100_002902333

NYC-WTC_000229162