NYC-WTC_000202566

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet ClientNarn^ NYC BOE Volume (liters’): 1936 Lab Group #: 8719 Filter Type / Filter Area: MCE 385 mm- Lab Saniple^ 10 Grid Opening Size: 0.01124 Client Sample #: 10 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID IP: Accelerating Voltage: TOO KeV II # Grid Openings: 4 Analysis Date: 8/20/02 il Analysis Performed By: n ROMAN PEYSAKHOV __ Structure Structure Type Length .0 of structure N or N =DS . GO. (Nonadb . No ' B C M A=5p Chrys Amphibole Nonasb Ambig/ND 7 No Coord Eleinerils) .<5p

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1 Snuqr = > 0 ou > >3 Aspect RatiO Grid acueptance:

7= Positive diftractiori pattern properties ccntorming to <50% undissolved (Mer, overlapped 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='EDS spectrum conforming to laboratory holes or opaque areas icentificaticn criteria observed Chrysotile lY ' AMPHIBOLES Amphibole F = Single Fiber Amosite S - Bundle (<3 fibers <1 fiber diamete" apart I Crocidolite xAmbiguous C = Custar (>3 ntersections) Anthophyllite Non-Asbestos “remcilte M = Matrix Actinolite Non-Ideutiiied NSD = Mo Sjucturss Detected

CITY_21MC100_003273504

NYC-WTC_000202566