NYC-WTC_000218299

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 6928 Filter Type / Filter Area: ■MCE 38.' mm- Lab Sample #: lO Grid Opening Size: 0.0! !24

Client Sample lO Area Examined: Q.64496 mm-

GRID BOX: Ma«nitication; 20.000 GRID IP: Accelerating Voltage: ’00 KeV # Grid Openings: 4 Analysis Date: 3/4'02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or v i EDS j ■ . . —i (NonaOb I No F B C M >=05 u >=5|J Chrys Amphibole 1 Nonasb AmbigfND ’ , i No Coord <5u I Elements) .

2Z

SG ■i .

Struct = > U.5p > 5. i Aspect Ratio Grid acceptance:

•/= Positive diffraction pattern properties conforming to <50% undissolved filler, overiapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observed least 20 unfolded or overlapped grid squares <5% f F I B i C 1 M I >: V = EOS spectrum conforming to laboratory holes or opaque areas L I I

identification criteria observed i Cjuysotiie AMPHIBOLES I .Amphibole r = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous Anthophyllite Noil-Asbestos : C = Cluster (>3 Intersections! T remolite M = Matrix Actinolite 1 Non-Identified I NSC = No Structures Detected

CITY_21MC100_000466257 NYC-WTC_0002 18299