NYC-WTC_000202290

NYC 9/11 Public Portal Document

TEM^sbestos (airl Count Blieet Client Name: iNYCBOE; Volume (litersi: 1840 /1 ■■■■ Lab Group #: 65b2i' ) Filter Type7 Filter Area: MCE ;) 385 Lab Sample #: 1 Grid Opening Size: 0;Q1124 7 ■

Client Sample #: Area Examined: 0.04496 ;

GRID BOX; Magnification: 20,000 / ; GRID ID : Accelerating Voltage: 100 KeV; # Grid Openings: 4 Analysis Date: 1/30/02

Analysis Performed By: ROMAN fPEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or N' i ;EDS No (Nonadb F B C M >=06 p >=5|J Chrys Amphibole Nonasb Ambig/ND i No L Coord <5p Elements)

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Struct = > 0.5p ,> 5: i Aspect Ratio - Grid acceptance: = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals labcrato^ identification criteria observed <10% particulate coverage >50% coverage ate <' least 20 unfolded or overlapped grid squares <5% f F. B c I M >5|j V= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole i F = Single Fiber 1. Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidoiite Ambiguous C ^.Cluster (>3 Inleisections) Anthophyllite Non-Asbestos Tremolite M = Matrix , Non-Identified Actinolite NSD:= No Structures Detected

CITY_21MC100_011276342

NYC-WTC_000202290