NYC-WTC_000201675

NYC 9/11 Public Portal Document

TEMAsbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1805 Lab Group #: 7574 FUter Type / Filter Area: MCE 385 mm’ Lab Sample #: 12 Grid Opening Size: 0.01124 Client Sample #: 12 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20 000 GRIDED: Z12S Accelerating Voltage: 100 KeV # Grid Openings: 4 ■ Analysis Date: 4/29/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS No (Nonadb F B C >=oru i>=5(j Chrys Amphibole Nonasb Ambig/ND yy No Coord Elements)

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■ 1 ■ ' -------------------------------------------- ' I ' I Struct = >0:5p,> 5:1 Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to <50% uncissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% paniculate coverage >50% coverage ate least 20 unfolded or overlappsd gnd squares <5% F B C. M >5p 4=.EDS spectrum conforming to laborator/ holes or opaque areas ideniification criteria observed Chrysotile 1 AMPHIBOLES ! Amphibole F = Single Fiber i Amosite I S = Bundle (<3 fibers <1 fiber diameter apart 1 Crocidolite - : Arnbiguous I C = Cluster (>3 Intersections) i Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinclite NSD = iJo Structures Detected

CITY_21MC100_011275790

NYC-WTC_000201686