NYC-WTC_000201325

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 7354 Filter Type / Filter Area: MCE 385 Lab Sample #: 6 Gr-ki OneninmSize: 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: 4/8/02

Analysis Performed By; MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 7 EDS ' No (Nonadt F B C >=05 p >=5p Chrys Amphibole Nonasb Ambig/ND No Coord Elements)

Struct = > 0.5 Lt >5:1 Aspect Ratio Grid acceptance: s V= Positive diffraction pattern properties conforming to s50% urdissclved filter, overlapped orfolded Totals laboratory iae.ntification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C EDS spectrum conforming to laboratory M >5p holes or opaque areas identification criteria observed Chrysotile i AMPHIBOLES i Amphibole F = Single Fiber : Amosite E = Bundle (<3 fibers <1 fiber diameter apart Crocicotite Ambiguous C = Cluster l>3 Intersections) ■ Anthopnyllite Non-Asbestos i Tremolite M = Matrix , Actinolite Non-ldentified NSD = No Structures Detected

CITY_21MC100_011275625

NYC-WTC_000201330