NYC-WTC_000207136

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count S ct Client Name: NYC BOE .■■i.:.e (litei'.sj: 1920 Lab Group #: 7851 Filter Tv|) ;■... .Ar.-.i; MCE 385 mm" Lab Sample #: 21 Grii_ ■ ■■iu Si.. 0.01124 Client Sample #: 21 .Al ..Camilleri: 0.04496 mm"

GRIP BOX: iJcathm: 20,000 GRIP ID: A cecivi ; i; . '/oltut too KeV # Grid Openings: 4 'JrLn.'ll 5/25/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length •uci’.ire EDS No . (Nonadb i No' Coord F B C M >=05 M >=5p Chrys Anibig/ND Elements) <5p

• 2.

1 . Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: >/= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded •i u-:ais • laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% G M >5p ■'/= EDS spectrum confonning to laboratory holes or opaque areas I B identification criteria observed \ AMPHIBOLES F = Single Fiber Amosite ■ 0 = Bundle (<3 fibers <1 fiber diameter apart I Crocidolite C-= Cluster (>3 Intersections) Anthophyllite N. Tremolite M = Matrix Actinolite N»n-. NSD = No Structures Detected

CITY_21MC100_003014677

NYC-WTC_000207136