NYC-WTC_000215069

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NYC BOE Volume (liters): 1920 Lab Group #: 6941 Filter Type / Filter Area: MCE 385 mnV Lab Sample #: Grid Opening Size: 0.01124 Client Sample #: 03 Area Exaiiiiiivd: 0.04496 mm- GRID BOX: MauiiilkariDii: 20,000 GRID ID: 100 KeV # Grid Openings: 4 Aiiahsi.s Date: 3/5/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure \ or v EDS No (Nonadh F B C M >=05 |j Chrys Amphibole 1 Nonasb Ambig/ND No Coord <5p Elements)

•77 c5 “ 3---------- ----------------------

1

-1

I

1 I : I

Struct = > U.5p > 5:1 Aspect Ratio Grid acceptance Positive diffraction pattern properties conforming to <50f'o undissoluec filter, overlapped or folded Totals laboratory identification criteria observed <10% paniCLiiaie coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% 7= EDS spectrum conforming to laboratory identification criteria observed holes or opaoue areas Chr\ motile 4^ I ! M ! I >5iJ

AMPHIBOI.ES .\inpliibi)lc F = Single Fiber Amos Ite B = Bundle i<3 fibers <1 fiber diameter apart Crocidoliie .Ambiuuuiis C = Cluster (>3 intersectionsi Anthophylliie \i)n-.\.she»;i>s M = Matrix Tremolite Aciiiijl.'e \Hii-!ile;;!i|ieT I NSD = Ng Siructuies Detected

CITY_21MC100_002853946

NYC-WTC_0002 15072