NYC-WTC_000225477

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 6078 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 3 Grid Opening Size: 0.01124 Client Sample #: Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 12/11/01

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS No >=05 u :>=5(j (Nonadb F B C M Chrys Amphibole Nonasb Ambig/ND No Coord <5u Elements)

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Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <50% undissoived filter, overlapped or folded Total.s laboratory identification criteria observed , <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p 7- EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile 'amphiboles Amphibole F = Single Fiber Amosite : 8 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remolite M = Matrix Non-Identified ' Actinolite i NSD = No Structures Detected

CITY_21MC100_002921471

NYC-WTC_000225477