NYC-WTC_000193415

NYC 9/11 Public Portal Document

TEM cos (air) Count Sheet (Hient Name: m'C BOE Volume (liters): 1807.5 Lab Group #: 8241 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 8 Grid Opening Size: 0.01124

Ghent Sample #: 08 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed i K PEYSAKHOV

GO. Structure Structure Tyj; .iigth ID of Structure N or EDS (Nonadb No Coord No F e c M >=5p Chrys Amphibole Nonasb Ambig/ND Etemerts)

J; I 1

I I

Str uct = > 0.5p > 5:1 Aspcc; :<atii' Gi

4= Positive diffraction pattern props les crnlorin ng lo Iler, overlapped or folded Totals laboratory identification criteria obsc rsd erage >50% coverage ate overlapped grid squares <5% F M 4= EDS spectrum conforming to a: jtatory rs identification criteria observed Chrysotile IS Amphibole F = Single Fiber B = Bundle (<3 fibers <1 fiber diaiii^ .r apt:! Ambiguous C = Cluster (>3 Intersections) Non-Asbestos M = Matrix ■ Non-Identified NSD = No Structures Detected

CITY_21MC100_003094620

NYC-WTC_000193415