NYC-WTC_000208268

NYC 9/11 Public Portal Document

T EM Asbestos fair) Count Sheet ClientNami^ NYC BOE Volume (liters): 1928 Lab Group #: 8828 Filter Type / Filter Area: MCE 385 mm- Lab Sample #: 16 Grid Opening Size: 0.01124

Client Sample #: 16 Area Examined: 0.04496 mm-

GRID BOX: Magnification: 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 7 EDS

No Coord No F B c M '=05 (J <5|J >=5|j Chrys Amphibole Nonasb Ambig/ND (Nonadb Elemen:s)

1^- xT 3^ /T CP

Struct = > ij.Sp • / I A.spect Ratio Gnd acceptance

\= Positive diffraction pattern properties conformii g to <50% jncissolved filter overlapped or folded Totals <10% particulate coverage >50% coverage ate laboratory identification criteria observec least 20 unfolded or overlapped grid sauares <5% f F B i \! .\= EDS spectrum conforming to laboratory holes or opaque areas L 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 j Non-Asbestos Tremolite M = Matrix i Non-Identified Actinolite NSC = No Structu.'es Detected ...

CITY_21MC100_003021277

NYC-WTC_000208268