NYC-WTC_000201953

NYC 9/11 Public Portal Document

TEM Asbestos fair) Couiit Sheet Client JName: NYC BOE Volume (liters): 1800 Lab Group #■ 7261' Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 10. Grid Opening Size: 0.01124 Client Sample #: 10 ) Area Examined: 0.04496 GRID BOX: Magniflcation: 20 OQO GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/30/02

Analysis Performed By: MARRPEYSAKHOV -

j GO; 2 2 Structure Structure Type Length ID of structure N or EDS No (Nonadb .) Noj Coord F B C M >=05 p >=5(J Ghrys Amphibole Nonasb Ambig/ND Elements) ; <5p

■ -i

Strucr=> 0.5u-:> 5:1 Aspect Ratio Grid acceptance: y= Positive-diffraction pattern properties contorming to " «««s30lve(i filter, overlapped or folded ' Totals r, laboratory identification criteria observed <10% paniculate coverage >50% coverage ate least 20 unfolded dr overlapped grid squares <5% F ! B C M >5p:. y'= EDS spectrum contorming to laboratory holes or opaque areas identification criteria observed Chrysotile 1 AMPHIBOLES Amphibole F = Single Fiber t Amosite E = Euncile (<3 fibers <1 fiber diameter apart I Crocidolite Ambiguous ’ C = Cluster (>3 intersections) I Anthophyllite Non-Asbestos ; Tremolite i ! M = Matrix Non-Idcntified 1 ■ Actinolite I NSD = No Structures Detected

CITY_21MC100_003269895

NYC-WTC_000201953