NYC-WTC_000208239

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 8828 Filter Type / Filter Area: M(2E 385 mm- ljab^£UTy2lL_#J. 14 Grid Opening Size: 0.01124

Client Sample #: 14 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/10/02

Analysis Performed By: MARK PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or y EDS . ,. ...r, ■ (Nonadb No F B c M >=05 p i Chrys Amphiboie Nonasb Ambig/ND Elements.! No Coord <5p

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i

i

Struct ■ 0 5u - oil Aspect Ratio Grid acceptance

u'= Positive diffraction pattern properties conform ig to <50% undissolved filter, overlapped or foldeo Totals <10% paniculate coverage >50% coverage ate laboratop/ identification criteria observed least 20 unfolded or ovenapped grid squares <5% f F B , C M i >5 \= EDS spectrum conforming to iaboratory boles or opaque areas L identification criteria obsereed Chrysotile 1 r AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos j Tremolite M = Matrix Non-Identified j Actinolite NSD = No Structures Detected

CITY_21MC100_003021218

NYC-WTC_000208239