NYC-WTC_000212962

NYC 9/11 Public Portal Document

TEM Asbestos (air) Cou Client Name: NYC BOE liters): 1880 Lab Group #: 8244 Filtci AreaL MCE 385 mm^ Lab Sample #: 11 i Size: 0.01124 Client Sample #: 11 iiined: 0.04496 mm^

GRID BOX: ^•atlon; 20,000 GRID ID: A nltage: 100 KeV # Grid Openings: 4 JIate: 6/23/02

Analysis Performed By: 2 •MARKPEYSAKHOY-

GO. Structure Structure Type .: Length N or ■'/ EDS (Nonadb No F B C M >-05 j: . :>=5p ■ 'Chrys asb Ambig/NO No Coord <5p. ■ Elemenb)

7^

Struct = > 0.5g > 5:1 Aspect Ratio Grid acceplancr,; Positive diffraction pattern properties conforming to <50% uridiss:;. ■() ilier, overlapped or tolded Totals laboratory identification criteria observed <10% partic': c verage >50% coverage ate least 20 unh. .:; overlapped grid Squares <5% F B C M »5U EDS spectrum conforming to laboratory holes or opc , i as identification criteria observed : AMPiiii. .:.7S : F = Single Fiber : Amc; 8 = Bundle (<3 fibers <1 fiber diameter apart ■ Croci . I C = Cluster {>3 Intersections) Antiit: !ii;e Tre-' M = Matrix Ar' NSD = No Structures Detected

CITY_21MC100_002867723

NYC-WTC_000212962