NYC-WTC_000201325

NYC 9/11 Public Portal Document

TEM Asbestos fairy Count Sheet Client Name: NY.CBGE Volume /liters): 1840 Lab Group #: 7354 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 9 Grid Opening Size: 0.01124 Client Sample #: 09 Area Examined: 0.04496 mm- GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/8/02

Analysis Performed By: MARKPEYSAKHOV

GO. Structure No i Structure Type Length ID of Structure , N or 1 EDS (Noradb No i Coord F B rc M >=05 p >=5p Chrys Amphibole Monasb Ambig/ND ; Eiemerts) • <5p

r

Struct = > 0.5u.> 5: J Aspect Ratio Grid acceptance: 4 = Positive diffraction pattern properties conforming toJ <50% undisscived filter, overlapped or folded Totals laborator/ identification criteria observed , <10% particulate coverage >50% coverage ate feast 20 unfolded or overlapped grid squares <5% F B I G M >5m \'4 EDS spectrum conforming to iaboratcry holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES ) Amphibole - < Single Fiber Amosite ! 3 = Bundle (<3 fibers <1 fiber diameter spart i Crocidolite Ambiguous C = Cluster ;>3 Intersections) i Anthopnyiiite - , Non-Asbestos : Tremolite r M = Matrix i Actinolite ) Non-identified NSD = No Structures Detected

CITY_21MC1OO_O11275628

NYC-WTC_000201333