NYC-WTC_000228141

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1880 Lab Group #: 7105 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 2 Grid Opening Size; 0.01124 Client Sample #: 02 Area Examined: 0.04496 mm^ GRID BOX : Magnification: 20,000 GRID ID; Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/16/02

Analysis Perforined By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure Norv EDS (Nonadb No F B C M >•05 p Chrys Annphibole Nonasb Ambig/ND No Coord <5p Elements)

W

I

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Struct = > 0.5m > 5:1 Aspect Ratio Grid acceptance: Nt Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B CjM >5p N’ EDS spectrum conforming to laboratory holes or opaque areas identification cnteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster {>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix - Actinolite Non-Identified NSD • No Structures Detected

CITY_21MC100_006617667

NYC-WTC_000228141