NYC-WTC_000202052

NYC 9/11 Public Portal Document

TEM Asbestos fair^ Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7112 7 Filter Type / Filter Area: MCE; 385 Lab Sample #: 8 Grid Opening Size: 0.01124^ 7Li­

Client Sample #: os r 7 Area Examined: 0.04496 mm^ GRID BOX: TMagnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/17/02

Analysis Performed By:

GO. Structure Structure Type Length ID of Structure N ot 7 . EDS ; (Nonadb No F B C ■M >=05 |J >=5(j Chrys Amphibole Nonasb Ambig/ND ■ No Coord <5u Elements';

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7- 717 7 - Struct = > 0.5 p .> 5:1 Aspect Ratio Grid acceptance; 7= Positive ditfraciion pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identificaton criteria observed ■ <10%'particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B G M >5p ; 7 = EDS Spectrum corforming to laborator/ holes or opaque areas idertificatior criteria observed ■ Chrysotile 7i AMPHIBOLES | Amphibole ; .F = Single Fiber / r . . . ( Amosite B = Bundis i<3 fibers <i fiber diameter apart j: Crocidolite Ambiguous C = Cluster (>3 Intersections): f Anthophyliite Non-Asbestos I Tremolite f M = Matrix: ; If Non-Identified 7 Actinolite NSD = No Structures Detected | f fl f

CrTY_21MC100_011276074 NYC-WTC_000202052