NYC-WTC_000228321

Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 2080 Lab Group #; 6354 Filter Type / Filter Area: MCE 385 mm- Lab Sample#: 5 Grid Opening Size: 0.01124 Client Sample #; 05 Area Examined: 0.04496 mm-

GRID BOX: Mae^nification: 20,000 GRID ID; ■CT Accelerating Voltage: !00 KeV # Grid Opentnes: 4 Analysis Date: 1/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EOS (Nonadb No F B c M >=05 p >=5p Chrys Amphibole Nonasb AmbigM) No Coord <5p Elemens) r

4

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Struct» > O.Sp > 5:1 Aspect Ratio Grid acceptance: v= Positive diffraction pattern properties conforming to <50% undissolved filter, overiapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p v= EOS 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) Antbophyllite Non-Asbestos Tremolite Actinolite Non-Identified i i NYC-WTC_OOO228321 CITY_21MC1OO_OO2899946