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NYC-WTC_000228817

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NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1800 Lab Group 7672 Filter Type / Filter Area: MCE 385 Lab Sample #: 7 Grid Opening Size: 0,01124 Client Sample i^'. 09 Area Examined: 0.04496

GRID BOX: Magnification: 20,000 GRID ID: Acccieratine Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/8/02 Analysis Performed By: ^1

ROMAN PEYSAKHOV

GO. Structure Structure Type LengHi ID of Structure N or V EDS I Mo >=05 (J Amphilrate Nonasb Ambig/ND (Nonardb I F 0 C M >=5p Chrys Elements) _ No Coord . <5p

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Struct = > 0.5(1 > 5:1 Aspect Ratio Gid acceptance: '/= Positive ditfraction pattern properties conforming to <50% uidrssofved fifter. overlapped orfoWed Totals laboratory iderstification aiteria observed <10% partojtate coverage >50% coverage ate least 20 unfolded oroveriapped grid squares <5% F B (Ti M'I >5(7 ’J= EDS spectrum conforming to laboratory holes or ocaque areas 'dcntilicatkjn cnteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle t<3 fibers <1 fiber diarreter apart Crocidolite Ambiguous C = Clusier (>3 Inlersectiois) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSC = No Structures Detectec

CITY_21MC100_002901736

NYC-WTC_000228817

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NYC-WTC_000228817Source: NYC Law Department, mirrored locally

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