NYC-WTC_000202668

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1917 Lab Group #: 5S89 Filter Type / Fiiter Area: MCE 385 mm- Lab Sample #: Grid Opening Size: 0.01124

Ciienr Sample #: 26 - Area Examined: 0.04496 ' mm-

GRTI) BOX: 73 V Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 31/14/01

Analysis Performed Bv: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 4 EDS (Nonacb No F B I C M >=05 p >=5iJ Chrys Ampnibole Nonasb Ambig/ND No Coord <5(J Eiemena)

tf // /I

Struct = > 0.5u > 5:1 Aspect Ratto Grid acceptance:

4= Positive diffraction pattern properties conforming to <50% undissolved fiiter, overlapped or folded Totals laboratory identification criteria observec <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5p >/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Llnysotile ' AMPHIBOLES ; Amphiboie F = .single Fiber Amosite 3 = Bundle f<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Noii-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC100_003275211

NYC-WTC_000202668