NYC-WTC_000208262

NYC 9/11 Public Portal Document

TEM Asbesfos fair) Count Sheet Oient Name: NYC BOE Volume (liters): 1920 Lab Group #: 8828 Filter Type / Filter Area: MCE 385 mm- Lab Sample Grid Opening Size: O.OI 124

Client Sample #: 07 Area Examined: 0.0449(1 mm-

GRID BOX: Magnificatit^ 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 9/10/02

Analysis Performed By: MARK PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or 4 EDS (Nonadb No F B i C M >=05 p i =5tJ Chrys Amphibole Nonasb Ambic/NC No Coord <5m Elements)

' 23 5^

I I

______ Struct = > 0.5g >5:1 Aspect Ratio Gnd acceptance;

4= Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria obseived least 20 unfolded or overlapped grid squares <5% F B C >5p Y EDS spectrum conforming to 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 l>3 Intersections) Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSC = Nc Structures Detected

CITY_21MC100_003021268

NYC-WTC_000208262