NYC-WTC_000212958

NYC 9/11 Public Portal Document

TEM AsbestosJairlCountSheet Client Name: NYC BOE Volume niters): 1920 Lab Group #: 8244 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm-

GRID BOX: Magnification; 20,000 GEUD ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure Nor v EDS No (Nonadb No Coord F B C M i>=5m Chrys Amphibole Nonasb Ambig/ND Elements) <5)j

_______ 1_______ L_J_____ Struct " > 0.5p > 5:1 Aspect Ratio Ghd acceptance: '/= Positive diffraction pattern propierties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p EDS spectrum conforming Io laboratory holes or opaque areas identificadon cnteria observed Clii ysotile AMPHIBOLES Ai libole F = Single Fiber Amosite B = Buncle (<3 fibers <1 fiber diameter apart Crocidolite Anii'iguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-klciitified Actinolite NSD = Na Structures Detected

CITY_21MC100_002867718

NYC-WTC_000212958