NYC-WTC_000190155

NYC 9/11 Public Portal Document

TEM Asbestos Coaat Sheet Client Same: C BOE 3'oiume (liters). 1 e-dC Lab Group #. 68? I Filter Tvpe / Filter Area Met Lab Sam2ie^ 7 Grid Opening Size: ' ''H ‘2

Client Sample #: TIO Area Examined- f) 04=96 mm-

GRID BOX: Magnification: 20 000 GRID ID: Accelerating Voltage: too KeV # Grid Openings: 4 Analysis Date: 2,25/02

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure oi 9 EDS No (Nonadb F I B C M >=05 p >=5|j Chrys 1 Amphibole Nonasb Ambig/ND No Cooid <5p Elements) —i—

Struct = > 0 5p >51 Aspect Ratio Grid acceptance

7 = Positive diffraction pattern properties conforming to <50% undissoived filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped gnd squares <5% F B C M >5U ^1= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Cliiysotile AMPHIBOLES Amphibole | F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

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NYC-WTC_000190155