NYC-WTC_000228984

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1822.5 Lab Gronp #; 7797 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined: 0 04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 5/19/02

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structure Type Length ID of Structure N or V EDS No (Nonadb F B C >=05.p >=5p Chrys Amphibole Nonasb Amtjig/ND No Coord <5p Elements) / <3=’^ =1

I

Struct = > O.ip >5,1 Aspect Ratio Grid acceptance' 'J= PosiSve diffraction pattern properties conforming to <50% undisjoived filter, overlapped or folded Totals aboratory identrfication criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5t> '/-EDSSpectrum conforming tolatioratory noIes Of opaque areas identification criteria observed Chrysotile amphiboles Amphibole r = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidoite Ambiguous C = Cluster (>3 intersections) Aothophyitite Non-Asbestos Tremolite M - Matrix Non-Identified i Actinolite i NSO = No Structures Detected

CITY_21MC100_002902002

NYC-WTC_000228984