NYC-WTC_000230143

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: m-'C BOE Volume (liters): 1960 Lab Group #: 6464 Filter Type / Filter Area: MCE . 385 rrtm- Lab Sample #: 3 Grid Opening Size: 0.01124

Client Sample #: 3 Area Examined: 0.04496 mm’

GRID BOX: ^76^ Magnification: 20,000 GRID ID: Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 1/27/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. . structure Structure T ype Length ID of structure N or v EDS No (Nonadb F B C M >=05 p Chrys Amphibole Nonasb Ambig/ND No Coord <Sp Elements)

Z-jS^ ~g> 77

Struct = > 0.5p >5:1 Aspect Ratio Grid acceptance: '/= Positive diffraction pattern properties conforming to undissolved filter, overtapped or folded Totals laboratoiy idenlificatiori criteria observed <10% particulate coverage >50% coverage ate least 20 unloldeP.or overlapped grid squares <5% F B C M >5p EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile "amphiboles ! Amphibole F = Single Fiber Amosite i B = Bundle (<3 fibers <1 fiber diameter apart Crocidolite | Ambiguous C = Cluster (>3 Intersections) Anthophyllite i Non-Asbestos Tremolite i M = Matrix Actinolite Non-ldentified NSD = No Structures Delected

CONFIDENTIAL, CITY_21MC1OO_OO3388799

SUBJECT TO PROTECTIVE ORDER NO. 2, SEPT. 2008

NYC-WTC_000230143