NYC-WTC_000196859

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lah Group #: 9210 Filter Tvpe/ Filter Area: MCE 385 mm- Lah Sample 10 Grid Opening Size: 0 01124

Client Sample #: 12 Area Examined: 0 04496 mm^

GRID BOX: Magnillcation: 20,000 GRID ID: a Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/26/200 '

Analysis Performed By: iMARK PEYSAKFIOV

GO Structure Structure Type Length ID of Siructure n or EDS No >=05 p :>=5|J (Nonadb F B C M Chrys Amphibole Nonasb Ambig/ND No Coord <5m Elements)

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j HhomiNo...... I . 1’1 (trom 1 in 5 asbestos containing samp es) Gnd acceptance Struct = > 0 5p >51 Aspect Ratio <50% undissolved filter overlapped or folded Totals M= Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laooratory loentification entena observed least 20 untolded or overlapped grid squares <5% holes or opaque areas F B C v'= EDS spectrum conforming to laboratory identification entena observed Chrysotile 1 I AMPHIBOLES I Amohibole r = Single Fiber Amosite B = Sunale (<3 libers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Tremolite Non-Asbestos M = Matrix Actinolite Noh-Identified NSC = No Structures Detected

CITy_21MC100_003057941

NYC-WTC_000196859