NYC-WTC_000201127

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1805 T ab Group #: 7887 Filter Type / Filter Area: MCE 385 mrr.^ Lab Sample #: 3 Grid Opening Size: G.01124 Client Sample #: 03 Area Examined; 0.04496 miri^ GRID BOX: Magnification: 20,000 r GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 5/27/02 -

Analysis Performed By: • f; - MARK PEYSAEHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS (Nonadt No ' F B C M - >=05 p i >=^ Chrys Amphibole Nonasb Ambig/ND No Coord -• <5m ’I Elemerts)

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, Struct— > 0.5g > 5; I Aspect Ratio Grid acceptance: < ' f/ 7- Positive diffraction pattern properties conforming to <50% undissolved filter,-overlapped orfolded Totals if iaooratory identification criteria observed 1 <10% particulate coverage >50% coverage ale least 20 unfolded or-overlapped grid squares <5% F B C M >6p / 7= EDS spectrum conforming to laborato^ holes ar opaque areas ■ idsntificalion criteria observed Chrysotile r AMPHIBOLES 1 Amphibole F = SingleFIber Amosite B = Bundle (<3 fibers <1 fiber diameter apart i Crocidolite I Ambiguous C = Cluster (>3 Intersections) ' Anthophyllite ; Non-Asbestos Tremolite M = Matrix . Actinolite Non-Identified ■ N3D = No Structures Delected

CITY_21MC100_011275424

NYC-WTC_000201129