NYC-WTC_000200563

NYC 9/11 Public Portal Document

TEMAsbestos fair) Count Sheet Client Name: NYC BOE Volume (liters): 1840 Lab Group #: 8147 Filter Type / Filter Area: MCE 385 Lab Sample #: 6 Grid Opening Size: 0.01124

Client Sample #: Area Examined: 0.04496 mm’

GRID BON: Magnification: 20 000 GRID ID: .Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 6/17/02

Analysis Performed By: romXn peysakhov

GO. Structure Structure Type Length ID of Structure Nor >1 EDS , No (Nonadb' F B C M >=05 p '>=5p. Chrys Amphibole Nonasb Ambig/ND i No - Coord <5p Elements)

IS /N s Sr

Struct = > 0.5)1 > 5:r Aspect Ratio Grid acceptance: 7= Positive diffraction pattern properties conforming to ^50% undissolved filter, overlapped or folded 'lotahs _ . laboratory identification criteria observed <10% particulate coverage >50% coverage ate least 20 unfolded or overlapped grid squares <5% F B C M >5p ■ V= EDSispectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile AMPHIBOLES ------- i oT F = Single Fiber Amphibole Amosite B = Bundle (<3 fibers <1 fiber diameter apart ■ Crocidolite Ambiguous C = Cluster (>3 Intersections) . Anthophyllite Non-Asbestos M = Matrix Tremolite Actinolite Non-ldentified NSD = No Structures Detected

NYC-WTC_000200568