NYC-WTC_000224822

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume filters): 1920 I Lab Group #: 7343 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm- GRJD BOX: Mg? ^<£2 Maunitkation: 20,000 GRID ID: Acecleratiitg Voltage: too KeV # Grid Openings: 4 Aiitilvsis Date: 4/6/02

Analysis PerformedJh: MARK PEYSAKHOV

GO. Structure Structure Type Le igth DA; Tucture N or 7 EDS No (Nonadt) F B C M , >z5p Chrys Amphibole Nonasb AmbigyND No Coord Elements)

j Struct = > 0.5p > 5.1 Aspect Ratio Grico -■wncc V= Positive diffraction pattern properties conforming to <5C i 'issolver; -Iter overlapped or folded Totals laboratory identification criteria observed <1C t . I cjiate .-verage >50% coverage ate leas:. 'nioso ' overlapped grid squares <5% f F B C M >5p y = EDS spectrum conforming to laborator, non.-; , it,a: ■ as i identification criteria observed Cl'.r soiile Ml : liBOi...S All!)? iibole F = Single Fiber nosite B = Bundle (<3 fibers <1 fiber diameter apart '.'dojti- Airhjiious C = Cluster (>3 Intersections) .-r: ophylhte Non-A.'. lestos M = Matrix ’ rtinolile - tinoliie • Noii-ldctttified NSD = No Structures Detected

CITY_21MC100_002894684

NYC-WTC_000224822