NYC-WTC_000214490

NYC 9/11 Public Portal Document

CLIVI As >s (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7894 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 8 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 5/29/02

Analysis Performed By: ' PEYSAKHOV

GO. Structure Structure Type ;h ID of Structure Norv EDS No (Nonadb i F B C M >=5(3 Chrys Amphibole Nonasb Ambig/ND No Coord Elements)

77^^ zB / - 1 •j

Struct = > 0.5g >5:1 Aspect Ratio Gric .ar- ■^= Positive diffraction pattern properties conforming to <5t overlapped or folded Totals laboratO7 identification criteria observed <10 me >50% coverage ate leas ' ..-lapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory hoi. identification criteria observed Chrysotile /'■AJ' Amphibole F = Single Fiber B = Bundle (<3 fibers <1 fiber diameter apart Ambiguous C = Cluster |>3 Intersections) Non-Asbestos M = Matrix Non-Identified NSD = No Structures Detected

CITY_2 IMCl 0 Ci_0 0 0 4 6 2 8 81 NYC-WTC_000214490