NYC-WTC_000200275

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: m^G BOE Volume (liters): 1920 Lab Group #: 7285 Filter Type / Filter Area: MCE 385 mm- Lab Sample 6 Grid Opening Size: 0.01124

Client Sample #: 06 Area Examined: 0.04496 mm^

GRID^O^ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/3'1/02

Analysis Performed By; - - MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure ■ \ or 7 EDS No (Nonacb B C M >=05 p : ■=5p ' Chrys Anphibote Nonasb Ambig/ND j No I Coord <5p Etemenxs)

r 3 2L ■ y 7

Struct = >0.5ii >5:1 AspectRatio Grio acceptance:

V= Positive diffraction pattern properties conforming to <5C% undissolyed filter, overlapped or folded Totals laboratory identification criteria obsenred <1G% particulate coverage >50% coverage ate least 20 unfolced or overlapped grid souares <5% F B C xY 7= EDS spectruiTi conforming to cuoratoy holes or opaque areas .ioentificatiori criteria observed Chrysotile AMPHIBOL5S Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite Ambiguous C = Cluster (>3 Inrersections) I Anthophyllite ■ Non-Asbestos I Tremolite M = Matrix ITon- Identified I Actinolite NSD = No Slructures Detected

CITY_21MC1OO_O11274765

NYC-WTC_000200280