NYC-WTC_000207922

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: WC BOE Volume (liters): 1920 Lab Group #: 9205 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 6 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0.04496 mm-

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

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or N EDS No (Nonadb F 8 C M Chrys Amphibole Nonasb Ambig/ND No Coord <5p Elements)

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I i i ii_I __J_ Photo No (from 1 in o asbestos containing samp es) Grid acceptance: Struct = > 0.5u > 5.1 Aspect Ratio <50% undissolved filter, overtapped or folded Totals Positive diffraction pattern properties conforming to <10% particulate coverage >50% coverage ate laboratory identification cntena observed least 20 unfolded or overlapped gnd squares i <5% holes or opaque areas F B C M ■1= EDS spectrum conforming :o laboratory identification critena observeo Chrysotile j .AMPHIBOLES Amphibole .* = Single Fiber ! Amosite 3 = 3undle (<3 fibers <1 fiber diameter aoan i Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Tremolite Non-Asbestos M = Matnx Actinolite Non-Ideatified NSD = No Structures Detected

CITY_21MC100_003017187

NYC-WTC_000207922