NYC-WTC_000227952

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Vokime (lit-ersj: iUQ Lab Group #: 6832 Filter Type / Filter Area: MCE ? miT'- !

Lab Sample #: 10 Grid Opening Size: i/.iji

Client Sample #: 10 Area Examined: .'...04496 mm-

GRID BOX: Magnification: 20.000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 2.26/02

Analysis Performed By: ROMAN PEYSAKHOV

GO Structure Structure Type Length ID of Structure N or V EOS No (Nonadb F B C M >=05 p : '=5m Chrys Amphibote Nonasb Ambig/ND No . Coord <5p Elements)

•> Fa-

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: >/= Posftive ditfracbon pattern properties conforming to <50% «<»• “toWoO Totals laboratory identification criteria observed * 10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M i >5u 'S- EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <i fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Actinolite Non-ldentified NSD = No Structures Detected

CITY_21MC100_0 02899501

NYC-WTC_000227952