NYC-WTC_000193464

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: NV'C BOE Volume (liters): 1808 L ab Group #: 8296 Filter Type / Filter Area: MCE 385 mm^ L ab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #: 18 Area Examined: 0.04496 GRLD BOX: Magnification: 20,000 GRIP TD: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/26/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or v' EDS No (Nonadb F B C M >^05 (J Chrys Amphiboie Nonasb Ambig/ND Etemenls) , 5*0 Coord

f <5|J

lAzzz

Struct = > 0.5p >5:1 Aspect Ftatio Grid acceptance:

y= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals labJratory identification criteria obsewad <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F i B C M ! >5p 7= EDS spectrum conforming to laboratory holes or opaque areas I identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fibe' diamete’ apart Crocidolite Ambiguous C = Cluster (>3 Intersections! Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSO = No Structures Detected

CITY_21MC100_003094702

NYC-WTC_000193464