NYC-WTC_000193451

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1816 Lab Group #: 8296 Filter Type / Filter Area: MCE 385 mm* Lab Sample #: 1 Grid Opening Size: 0.01124 Client Sample #: 04 Area Examined: 0.04496 GRID BOX: Magnification: 20,000 GRIDID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/26/02

Analysis Performed By: /VZ ROMAN PEYSAKHOV

GO. Structure Structure Type Length ID of Structure N or N EDS No (Nonadb F B C M >=05 p >=5iJ Chrys Amphibole Nonasb Ambig/ND No Coord <5m Elements)

=-----------

Struct = > 0.5p > 5:1 Aspect P.atio Grid acceptance: Positive diffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identification criteria observ«;d <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M I >5y V= EDS spectrum conforming to laboratory identification criteria observed holes or opaque areas

AMPHIBOLES Chrysotile —i— Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 finer diameter apart I Crocidolite Ambiguous C = Cluster (>3 Intersections’ Anthophyllite Non-Asbestos Tremolite M = Matrix - Non-Identified Actinolite NSO = No Structures Detected

CITY_21MC100_003094688

NYC-WTC_000193451