NYC-WTC_000201962

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: WC BOE Volume niters): 1800 J Lab Gro lip #: 7248 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 14 Grid Opening Size: 0.01124 J Client Sample #: 14 ■■ Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,0Q0 GRID IP: Accelerating Voltage: 100 KeV . # Grid Openings: 4 Analysis Date: 3/28/02 '

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or V EDS (Nonadb No ■

F B C M >=05 u Chrys Amphibole Nonasb Ambig/ND Elements) I No J Coord <5p

’ 23 ZrCi

Struct = > 0.5.g > 5:1 Aspect Ratio Grid acceptance; J J= Positive diffraction patlern properties conforming to <50% undissolved filter, overlapped or iOidsd Totals <10% particulate coverage >50% coverage ate laboratory idenWication criteria observed I least 20 unfolded or overlapped grid squares <5% F B C MJ >5p /= EDS spectrum conforming to laboiaiory , holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES t Amphibole F = Single Fiber ; ; ' Amosite I B = Bundle (<3 fibers <1 fiberdiameter apart ' Crocidolite i Ambiguous, I Anthophyllite ■ J Non-Asbestos C = Cluster {>3 Intersections) ■ J I Tremolite i Ivl = Matrix , r Non-Identified I I I Actinolite t ,1 ■ NSD = No Structures Detected II J

CITY_21MC100_003269921

NYC-WTC_000201962