NYC-WTC_000214254

NYC 9/11 Public Portal Document

TEM Asbestos (air) Count Sheet Client Name; NYC BOE Volume (liters); 1920 Lab Group #; 8040 Filter Type / Filter Area: MCE 385 mm* Lab Sample #; 3 Grid Opening Size; 0.01124 Client Sample#: 03 Area Examined; 0.04496 mm? GRID BOX: Magnification: 20 000 GRID ID; Accelerating Voltage: 100 KeV # Grid Openings; 4 Analysis Date; 6/11/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure NorV EDS No (Nonadb F B C M >»05m >=5p Chrys Amphtole Nonasb AmbipfflD ___ / No nv'I Coord vuvru <5m Elements)

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Struct = > 0.5n > 5:1 Aspect Ratio Gridacceptanca; ’/x Positive diffraction pattern properties coriforrn^ Totals t-u-.— laboiaKxy idwiMcatian ortetia observed <10w pVtlGUtBW OOWOrayS *50% GOVBOOS 3te least 20 unfokteO or overlapped grid squares <5% F B C M >5m >1^ EDS spectrum contorming to laboratory holes or opaque areas identification critaria obsarred Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Ouster |>3 Intarsections) Anthophyllite Non-Asbestos Tremolite M^Matrix Aciinolits Non-Identif5ed NSO : No Structures Detected

CITY_21MC100_002852846

NYC-WTC_000214254