NYC-WTC_000202151

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE ‘ Volume ('liters): 1936 Lab Group #: 8719 Filter Type / Filter Area: MCE 385 mm^ Lab Sample 15 Grid Opening Size: 0.01124 Client Sample #; Area Examined: 0.04496 mm’ GRID BOX: Maonilication: 20,000 GRID ID: Accelerating Vo 11age: 100 KeV # Grid Openings: 4 Analysis Date: 8/20/02

.Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID ol Structure N or T EDS No (Nonadb B C M >=05 p >=5p Chrys Amphibote Nonasb | Ambig/ND No Coord <5p Slemsrts)

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Struct = > 0.5(J >5;1 Aspect Ratio Grio acceptance; V= Positve diffraction pattern progenies oonfcrming to <50% undissolved filter, overlapped or folded Totals .. laboratory identification criteria observed <t0% particulate coverage >50% coverage ate least 20 unfolded or overlapped grd squares <5% F ; B C M >5p ■'/= EDS spectrum conforming to laboratory holes oropeque areas identification criteria observed Chrysotile amphiboles"! Amphibole F = Single Fiber Amosite E = Buncle (<3 fibers <1 fiber diameter apart Crocidciite f Ambiguous C = Cluster (>3 ir te'seotinrs; Anthophyllite i Non-Asbestos Tremolite i M = Mstnx Actinolite I Non-Identified NSD = No Structures Detected

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NYC-WTC_000202165