NYC-WTC_000203498

NYC 9/11 Public Portal Document

TEMA^bestos(air)CountSh^ Client Name: NYC BOE Volume (liters): 1928 Lab Group #: 9204 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 14 Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/23/200

Analysis Performed By: _______ __ roman'PEYS AKHO V

GO Structure Structure Type Length ID of structure N or >/ EDS (Nonadb No F B C M >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

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1 I

■' Photo No (from 1 in s asoestos containing samples) Gnd acceptance Struct = > 0 Su >51 Aspect Ratio <50% undissolved filter, overlapped or folded Totals <= Positive diffraction oattem propenies conforming to <10% particulate coverage >50% coverage ate laoorator/ identification cntena observed least 20 unfolded or overlapped grid squares <5% holes or opaque areas F B C >3U

EDS spectrum conforming to iaooratory identitlcalion cntena observed Chp/sotile ! AMPHIBOLES Amphibole - = Single Fiber i Amosite 3 = Bundle (<3 fibers <1 fiber diameter apan Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Tremolite Non-Asbestos M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_0 03058260

NYC-WTC_000203498