NYC-WTC_000188895

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Mame: NM’C BOE Volume (liters): 1928 Lab Group #: 5886 Filter Tvpe / Filter Area: MCE 385 mm- Lab Sample #: Grid Opening Size: 0.01124 Client Sample #: 2 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 11/13/01

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or EDS (Nonadb No F B C M >=05 p I >=5(j Chrys Amphibole Nonasb | Amblg/ND No Coord Elements) <5u

a -S'

Struct = > 0.5p _> 5:1 Aspect Ratio Grid acceptance:

\'= Positive diffraction pattern properties confonning to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M 1 >5u y= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES I Amphibole F = Single Fiber Amosite B = Bundle j<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster i>3 Intersections) Anthophyllite Non-Asbestos ~remoiite M = Matrix Non-Identified Actinolite NSD = No Structures Deteoted

CITY_21MC100_003083132

NYC-WTC_000188895