NYC-WTC_000204263

NYC 9/11 Public Portal Document

TEMAsbestosfaiiJCount Sheet Client Name: NYC BOE Volume (liters): 1824 Lab Group #: 7348 Filter Type / Filter Area: MCE 385 mm^ Lab Sample #: 10 Grid Opening Size: 0.01124 Client Sample #: 13 Area Examined: 0.04496 mm^

GRID BOX: Magnification: 20,000 GRID ID: lOHf Accelerating Voltage: 100 KeV # Grid Openings: 4 Analysis Date: 4/7/02

Analysis Performed By: MICHAEL GORYCKl

GO. Structure Structure.Type Length ID of Structure N or 7 EDS (Nonadb No F B C M >=05 p : =5(.J Chrys Amphibole Nonasb Ambig/ND ( , No Coord <5u Elements)

/04

Struct = > 0,5g >5:1 Aspect Ratio Grid acceptance:

Positive diffraction oattern properties conforming to <50% undissolved filter, overlapped or folded Totals <10% particulate coverage >50% coverage ate laboraton/ identification criteria obsewed least 20 unfolded or overlapped grid squares <5% F B C v'= EDS spectrum conforming to laboratory holes or opaque areas identification criteria observed Chrysotile A,MPH1BO1.es .Amphibole i F = Single Fiber Amosite B = Bundle (<3 fibers <1 liber diameter apart Crocidolite Ambiguous C = Cluster i>3 Intersections! Anthophyllite Non-Asbestos Tremolite M = Matrix Non-Identified Actinolite NSO = No Structures Detected

CITY_21MC100_003060043

NYC-WTC_000204263