NYC-WTC_000223675

NYC 9/11 Public Portal Document

TEM Asbestos lair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 7371 Filter Type / Filter Area: MCE 3S5 mt Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area Examined: 0.04-196 mni'

GRID BOX: Maenifieation: 20,000 GRID ID: Accelerating Voltage: 100 Ke\' # Grid Openings: 4 Analysis Date: 4 10,02

Analysis Performed By: MARK PEYSAKIIOV

GO. Structure Structure Type j Length D of Structure \ or \ ■\cned0 No F B C M >=05 u 7>=5p Chrys AiTiphiPoie I Nonasb : Amoig.NC No Coord <5p Blementsf

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Struct = > t).5p >5:1 Aspect Ratio Grid acceptance: v'= 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 overtapped grid squares <5% f ' F B C M \' = EOS spectrum conforming to laboratory holes or opaque areas u identification critena observed Chrvsotiie AMPHIBOLES ■ .Amphibole r = Single Fiber Amosite 3 = Bundle (<3 fibers <1 fiber diameter apart Crocidolite : Ambiguous C = Cluste,'(>J Intersections! Anthophyllite i Son-.Asbestos Tremolite M = .Matrix Actinolite I Non-identit'ied NSD = Nc Slruc'.ures Getectea

CITY_21MC100_002919727

NYC-WTC_000223675