NYC-WTC_000200180

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BQE Volume filters): 1899 Lab Gronp #: 5898 Filter Type / Filter Area: MCE 385 nW Lab Sample #: 3 Grid Opening Size: 0.01124 / Client Sample #: Area Examined: 0.04496 mm-

GRID BOX: 6^ Magnification: 20,000 GRID ID: 2^ Accelerating Voltage: lOG KeV # Grid Openings: 4 Analysis Date: 11/16/01

Analysis Performed By: ROMAN PEYSAKHOV

GO. - Structure , Structure Type Lsngth ID of Structure N or v EDS (Nonadb No F B C M >=05p j >=5p Chrys Amphibole Nonasb . I Ambig/ND No Coord <511 Etements)

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Struct = >0.5p_> 5:1 Aspect Ratio Grid acceptance: >/= Positive diffraction pattern properties conforming to <■50% undissolved filter, overlapped or rolded 'loiais laboratory loentficaiion criteria observed <10% particulate coverage >50% coverage ate least 20 unraldedor overlapped grid squares <5% / F B C M >60 T= EDS spectrum conforming to labcratoiy holes ar opaque areas I identification criteria observed Chrysotile j AMPHIBOLES { Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart ' Crocidolite A.mbiguous C = Cluster {>3 intersections) Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC1OO_OO3266684

NYC-WTC_000200180