NYC-WTC_000225480

NYC 9/11 Public Portal Document

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TEM x\sbestos fair) Count Sheet Client Name: WC BOE Volume (liters): 1928 Lab Group #: 6078 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 7 Grid Opening Size: 0.01124 Client Sample #: 7 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 12/11/01

Analysis Performed By: RONLAN PEYSAKHOV

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

/ th Zz 3-^ // 1X7

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

CITY_21MC100_002921475

NYC-WTC_000225480