NYC-WTC_000208249

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NA'C BOE Volume (liters): 1920 Lab Group #: 8<S2S Filter Type / Filter Area: M(2E 385 mm- Lab Sample #: 6 Grid^TpeninS-Sizei 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/10/02

Analysis Performed By: MARK PEYSAKHOV

GO, Structure Structurs Type Length ID of Structure N or 0 EDS (Nonacb No F B C M >=05 M >-5p Chrys Amphibole Nonasb Ambig/ND No Coord <5tJ Elements)

/ -O/ ------- O

1—1 -4 +—r I

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance:

N= Positive diffraction pattern properties conformii g to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

\ = EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% holes or opaque areas F B c M ! >50

identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster i>3 Intersections: Anthophyllite Non-Asbestos Tremolite M = Matrix ' Xon-Identified Actinolite NSC = Ng Structures Detected

CITY_21MC100_003021238

NYC-WTC_000208249