NYC-WTC_000193284

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1864 Lab Group #: 8120 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 15 Grid Opening Size: 0.01124 Client Sample #: 18 Area Examined: 0.04496 mm^ GRID BOX: Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/15/02

Analysis Performed By: ROMAN PEYSAKHOV

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

7'

Struct = > 0.5p > 5:1 Aspect ftaiio Grid acceptance: Positive diffraction pattern properties conforming to ‘=50% undissolved filter, overlapped or folded Totals labcratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M V= EDS spectrum conforming to laboratory holes or opaque areas ide itification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite s Non-Asbestos Tremolite j M = Matrix - Non-Identified Actinolite NS3 = No Structures Detected

CITY_21MC1OO_OO3O9443O

NYC-WTC_000193284