NYC-WTC_000190158

NYC 9/11 Public Portal Document

TEM Asbestos fain Coiwi Sheet Client Name: NYC EOE Volume niters): LJcO Lab Group b831 Filter Type ' Filter Area MCE Th'

Lab Sample #: Grid Opening Size- '>0'

Client Sample #■ T25 Area Examined: 0 0A496 mm-

GRID BOX: Magnification: 20 000 GRID ID Accelerating Voltage- too Ke\ # Grid Openings: 4 Analysis Date: 2 25 02

Analysis Perlormed By: MARK PEYSAKHOV

GO Structure I Structure Type Length ID of Structure N oiI \ EDS No (Nonadb F B C M >=05 p >=5iJ Chrys Amphibole Nonasb Ambig/ND No Cooid <5m Elements)

--- ----------- J-CrA- "N J

J

________ □r Sti uct = > 0 5p >5 I Aspect Ratio Grid acceptance yl= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate

n/= EDS spectrum conforming to laboratory least 20 unfolded or overlapped grid squares <5% F B C I M >5u holes or opaque areas Identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos T remohte M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC1OO_OO3O88695

NYC-WTC_000190158