NYC-WTC_000217115

NYC 9/11 Public Portal Document

TEM As be SI GA J aj i )X t >11 at Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7857 1 lily. Type/Filter Area: MCE 385 mm^ Lab Sample #: 2 Grid Opening Size: 0.01124 Client Sample #: 05 Area Examined: 0.04496 mm^ GRID BOX: Maenification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/25/02

Analysis Performed By: MAKI'. i’F'/S.XKHOV

GO. Structure Structure Type ID of Structure N or •/ EDS No (Nonadb F B C M >=05 p .'uvs Amphibole Nonasb Ambig/ND No Coord <5p Elements)

z g CTO

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: ■7= Positive diffraction pattern properties conforming to <50% undiss.;..'j Totals laboratory identification criteria observed <10'!'i> panic'jte:.: leas; 20 ir.;■ .s F B C M >5tJ ’/= EDS spectrum conforming to laboratory hole: or c = identification criteria observed Chrysotile ! amp; 12 Amphibole F = Single Fiber B = Bundle (<3 fibers <1 fiber diameter apart C.L. : Ambiguous C = Cluster (>3 Intersections) Non-Asbestos M = Matrix Non-Identified NSD = No Structures Detected

CITY_21MC100_000465142 NYC-WTC_000217115