NYC-WTC_000214086

NYC 9/11 Public Portal Document

TEM As estos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1800 Lab Group #: 8242 Filter Type / Filter Area: MCE 385 mm^ Lab Sanaple #: 14 Grid Opening Size: 0.01124 Client Sample #: 16 Area Examined: 0.04496 mm^ GRIP BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/23/02

Analysis Performed By; \RK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS (Nonadb No F B C M >=5p Chrys Amphibole Nocasb Ambig/ND No Coord Elements)

Struct = > 0.5p >5:1 Aspect Ratio Grid Ui, . Positive diffraction pattern properties conforming to <5C , /ed filter, overlapped or folded Tot^ laboratory identification criteria observed <10 »!■ le coverage >50% coverage ate leas Y vd or overlapped grid squares <5% F B C M >5m EDS spectrum conforming to laboratory hole - - ■c areas identification criteria observed Chrysotile r- Amphibole F = Single Fiber ^ite ■ B = Bundle (<3 fibers <1 fiber diameter apart .□file Ambiguous C = Cluster (>3 Intersections) yllite Non-Asbestos li’G M = Matrix lire Non-Identified NSD = No Structures Detected

CITY_21MC100_002870052

NYC-WTC_000214086