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NYC-WTC_000210538

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NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Airtek Volume (liters): 1250 Lab Group #: 6141 Filter Tvpe / Filter Area: MCE 3S5 mnr Lab Sample #: 16 Grid Opening Size: 0.01124 Client Sample #: 031 Area Examined: 0.06744 mm-

GRID BOX: Magnification: 20,000 GRID ID . Accelerating Voltage: 100 KeV # Grid Openings: 6 Analysis Date: 12/18/01

Analysis Performed By: ROMAN PEYSAKHOV

GO, Structure Structure Type i Length ID of Structure Norv EDS No (Nonadb F B C M >=C5p Chrys Amphibole NonasO Amdig/ND No Coord <5p Elements)

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Struct = > 0.5.U >5:1 Aspect Ratio Grid acceptance: '/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% paniculate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p >/= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile . amphiboles" Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) 1 Anthophyllite i Non-Asbestos 1 Tremolite M = Matrix Non-Idenrined • Actinolite i NSD = No Structures Detected

CITY_DEP_WORBY_CANNATA_SUBP_000021370

NYC-WTC_0002 10538

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NYC-WTC_000210538Source: NYC Law Department, mirrored locally

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