NYC-WTC_000202013

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: .7172 Filter Type / Filter Area: / MCE i385 mm’ l ab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/23/02

AnaJysis Performed By; MARK PEYSAKHOV

GO, Structure Structure Type . Length ID of Structure N or N ■ , EDS (Nonadb No / F B C M >=05 p 1 >=51J Ghrys , Amphibole Nonasb Ambig/ND No Coord <5p Elements)

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Struct - > 0.5p > 5:1_ .Aspect Ratio Grid acceptance: Positive diffraction pattern properties conforming to '=50% ^dissolved filter, overlapped or folded Totals laboratory identificaticn criteria observed r <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B I e M F >5lJ Y= EDS spectrum ocnforming to laboratory ; holes or opaque areas identfication oriteris observed Chrysotile “7^ 1 'amphibolIsY Amphibole ) F = Single Fiber Amosite ri B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite i Ambiguous ; i' C.= Cluster (>3 Intersections) I Anthophyllite i Non-Asbestos t 11 Tremolite I 1 , M = Matrix ; , i) ' r Actinolite ' 1 Non-Identifled | / MSD = No Structures Detected , .

CITY_21MC1OO_O11275984

NYC-WTC_000202013