NYC-WTC_000202847

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: ATC Volume (liters): 3600 Lab Group #: 9035 Filter Type / Filter Area: VICE 385 mm- Lab Sample #: 39 Grid Opening Size: 0.01124

Client Sample #: 39 Area Examined: 0.24728 mnr

GRID BOX: /VZf Magnification: 20,000 GRIDID; Accelerating Voltage: 100 KeV # Grid Openings: 22 Analysis Date: 10/29/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or y EDS (Nonadb No F B C M >=5p Chrys Amphibole Nonasb Ambig/ND —J— No Coord Elements) <5m -f— Mb ‘r <( L

if —— w' zy yz 1/ ZZSX (/ ri

t j__ L_: .X ! I (7 I i - o 1 r /? 1 li 7 iL 4

Photo No. (from 1 in 5 asoestos containing samples) Grid acceptance: Struct = > Q.cu > 5:1 .Aspect Ratio <50°'o undissolved filter, overlapped or folded Totals V = Positive diffraction pattern prooerties conforming to <10% oanicuiate coverage >5C°'o coverage ate iaboraior/ identification criteria observed 'east 20 unfolded orovenaoped grid squares <5% ,r i F 1 B 1 C i M 1 >ou holes or opaque areas L -V = EDS spectrum conforming to iacoratory Chrysotile identification criteria observed AMPHIBOLES w - = Single Fiber Amosite Amphibole 1 Ambiguous ! 3 = Bundle (<3 fibers <1 fiber oiameter apart Crocidolite C = Cluster :'>3 Interseciionsi Anthophyllite Non-Asbestos 1 Tremolite M = Matrix Non-Identified Actinolite NSC = No Structures Detected

CITY_21MC100_0 03069350

NYC-WTC_000202885