NYC-WTC_000223716

NYC 9/11 Public Portal Document

TEMAsbestosJairj Count Sheet Client Name: NYC BOE X'olume (liters): 1920 Lab Group #: 7458 F1lterJ[\£e2JEYItcr^Vea2 ■M(?E 3S5 mm- Lab Sample #: 5 Grid Opening Size: 0.01124

Client Sample #: 05 Area E.xamined: 0.04-496 mm-

GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 Ke\' # Grid Openings: 4 Analysis Date: 4 18,02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure .\ or v EDS No F ! B C M >=05 p Chrys Amphibole Nonasb i Ambig/ND i Mo Coord <5p I I Elemenls)

_ <2: -0

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Struct = > 0.5q > 5 1 Aspect Ratio Grid aaeptance: = Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification critena observed <10% particulate coverage >50% coverage ale least 20 unfolded or overtapped gnd squares <5% f i F I B i C : \r >• \ = EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile i ' ' : ■AMPHIBOLES ■Amphibole i i i : F = Single Fiber Amosite 5 = Suncle i<3 fibers <1 liber Piameter apart Crocidolite ■Ambiguous ' C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos , i T remolite M = Matrix Actinolite i \'on-Identified NSD = No Structures Cetectea

CITY_21MC100_002919808

NYC-WTC_000223716