NYC-WTC_000201919

NYC 9/11 Public Portal Document

TEM Asbestos fair) Count Sheet Client Name: NYC BOL Volume (liters): 1852 Lab Group #: 6707 Filter Type / Filter Area: MCE 385 Lab Sample #: 8 Grid Opening Size: 0.01124 Client Sample #: 08 Area Examined: 0 04496. mrf GRID DOX: M^onificatiom 20,000 GRID ID: Accelerating Voltage: 100 KeV . # Grid Openings: 4 AnalysisDate: 2/17/02

Analysis Performed By: ROMAN PEYSAKHOV

GO. Structure . Structure Type ■ Length ID of Structure N or 7 EDS (Nonadb No F B C M F-TV: ‘>=5tJ Chrys Amphibole Nonasb Ambig/ND No Coord <6p Elemenls)

2® £/■

3

Struct = > 0.5|i .> 5:1 Aspect Ratio Grid acceptance:

4= p.ositive d ffraction pattern properties conforming to <50% undissolved filter, overlapped or folded Totals laboratory identiflcaiion criteria observec <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B i C M >5p yF EDS spectrum conforming to :aboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES Amphibole F = Single Fiber Amosite e = Bundle (<3 fibers <' fiber diameter apart Crocidolite Ambiguous C = Cluster (>3 intersections) Anthophyllite Non-Asbestos i Tremolite M = Matrix Actinolite Non-Identified NSD = No Structures Detected

CITY_21MC100_003269623

NYC-WTC_000201919