NYC-WTC_000201804

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840. T Lab Group #: 6974 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 6 Grid Opening Size: 0.01124 / /^^^ Client Sample #: 06 Area Examined: 0.04496 mm* GRIP BOX: Magnification: 20,000 • GRID ID: i Accelerating Voltage: 100 KeV # Grid Openings: 4 ■ Analysis Date: 3/7/02

Analysis Performed By: MARK PEYSAKBOV

GO. Structure Structure Type ; Length ID of Structure ; \ or "J EDS No ; (Nonadt F B Ci M J '=O51J Chrys Amphibole Nonasb Ambig/ND No Coord <5(j Etements)

a

Struct = > 0.5p > 5:1 Aspect Ratio Grid acGsptance: y '/= Positive dilraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals iaboralory identification criteria observed ; <10% particulate coverage >50% coverage ate least 20 unfclded or overlapped grid squares <5% F B C M 9= EDS spectrum conforming to laboratory doles or opaque areas identifcatian criteria observed Chrysotile AMPHIBOLES Ainphibole F = Single Fiber 1 , C Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix;, Non-Identifiea Actinolite I ' ;NSD - No Structures Detected

CITY_21MC100_003269142

NYC-WTC_000201804