NYC-WTC_000201913

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOL Volume (liters): 1840 Lab Group #: 6685 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 13 . Grid Opening Size: 0.01124

Client Sample #: 13 Area Examined: 0.04496 .mra--

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2/15/02 '

Analysis Performed By: ■ , ROMAN FEYSAKHOV

GO/ Structure . Structure Type Length ID of Structure N or / ■EDS No (Nonadb F B T H >=05 p ~ - >-5u Chrys ■ Amohiboie Nonasb Ambig/ND No Coord <5u Elements) I

sW jL ff On •4

Stru3t = >,D.5n > 5:1 Aspect Ratio Grid acoeptance; V= Positive diffraction pattern properties oonferming to ' ■ G" undissolved filter, overlapped or folded Totals :'0% particulate coverage >50% coverage ate laboratory identification criteria obsetyed 1633120 unfolded or overlapped grid squares <5% F B C ?5p ■/= EDS spectrum conforning to laboratory holes or opaque areas . identfication criteria observe?: Chrysotile AMPHIBOLES Amphibole F = Single Fiber ; Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) - Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = '!c Structures Detected

CrTY_21MC100_003269583

NYC-WTC_000201913