NYC-WTC_000206071

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name: Warren & Panzer Volume (liters): 1665 Lab Group #: 8549 Filter Type / Filter Area; MCE 385 mtn" Lab Sample #: 2 Grid Opening Size; 0.01124

Client Sample #: 04 Area Examined: 0.0562 mm"

GRID BOX: Magnification; 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 5 Analysis Date; 7/20/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure NorN EDS (Nonadb No F B C M >=05 p >=5|J Ctirys Amphibole Nonasb Ambigfl^D No Coord __ <5m Elements)

/0 ^353 UZS 37^ 2 iREl F iL

_____________ L_L___ Struct = > 0.5p > 5:1 Aspect Ratio Grid acceptance: a/= Positive diffraction pattern properties conforming to <50% undissotved filter, overtapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overtapped grid squares <5% F B C M >5m v'= EDS spectrum conforming Io laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSD = No Structures Detected

CITY_21MC1OO_OO2992887

NYC-WTC_000206071