NYC-WTC_000201806

NYC 9/11 Public Portal Document

TEM Asbestos fairY Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 6974 Filter Type / Filter Area: MCE 385 Lab Sample #: 8 Grid Opening Size: 0.01124 ) Client Sample #: 08 Area Examined: 0.04496 mm^ GRID BOX: Magnification: on non GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 3/7/02

Analysis Performed By: MARK PEYSAKHOV

, GO. Structure Structure Type Length ID of Structure N or EDS No (Nonadp F B C M >=05 u ~ >=50 Chrys Arrphibole Nonasb Ambig/ND No Coord <5p Elements)

Struct = > 0;5p > 5:1 Aspect Ratio Grid acceptance; y= Positive diffraction pattern properties conforming to <50% undissolvea fitter, overlapped or folded • Totals laboratory identificaticn criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B i C Ml \= EDE spectrum cenforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber , i Amosite E = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M= Matrix 1, ), Non-Identified /Actinolite 1 NSD = No Structures Detected I

CITY_21MC100_003269144

NYC-WTC_000201806