NYC-WTC_000202004

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1880 l^ah Group #: 7186 Filter Type / Filter Area: MCE 3-85 mm" Lab Sample #: 3 Grid Opening Size: 0.01124 A Client Sample #: 03 Area Examined: 0.04496 mm" GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/24/02

Analysis Performed By: ■ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or Y EDS (Nonadb No : F B C M >=05 u Chrys Amphibole Nonasb Ambig/ND No I Good <5p Elernents)

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Struct =-> 0.5(i > 5:1 Aspect Ratio Srid acceptance;. 7= Positive diffraction pattern oroperties conforming to '=50% undissolved filter, overlappedbr folded Totals laboratory identification criteria observed - <10% particulate coverage >50% coverage ate least 20 unfolded or oveiiapped grid squares <5% F B C M V- EDS speclrurn conformiiitj to laboratory holes or opaque areas identification criteria, observed - Chrysotile i AMPHIBOLES I Amphibole F = Single Fiber i I F Amosite I 3 = Bundis i<3 fibsrs <1 fiber diameter apart Crocidolite / Ambiguous C = Cluster (>3 Intersections) ! r Anthophyllite ;t Non-Asbestos Tremolite 2M = Matrix ■ i . / I Non-Identified Actinolite ■NSD = No Structures Detected

CITY_21MC100_0 03269932

NYC-WTC_000202004