NYC-WTC_000229294

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume niters): 1816 Lab Group #: 8119 Filter Type / Filter Area; MCE 385 mm’ Lab Sample #: 4 Grid Opening Size: 0.01124 Client Sample #: 06 Area Examined: 0.04496 mm’ GRU) BOX: Magnification: 20,000 GRIP ID : Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Pate: 6/15/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. ■ Structure Structure Type Length CofSIructorB Nor V EOS (Nonatft No F B C M >=05 p >=5p Chrys Afnphtoote Nonasb Arnbig/ND No Coord Elements) <5U

Struct = >0,5p >5.1 Aspect Ratio Grid acceptance: Y Positive diffraction pattern properties conforming to <50* un^sswed fitter, overtop^ or folded Totals - * <10% particulate coverage >50% coverage ate iaboraiory identiftcation criteria observed least ZO unfotPed oroveitapped grid squares <5% F B C M >5p V= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F:: Stogie Fiber Amosite G - Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster {>3 Intersections) i Anthophyllite Non-Asbestos TremoHte M = Matrk Actinolite Non-Identified NSD = No Structures Detected

CITY_2IMCl0 0_0 00491895 NYC-WTC_000229294