CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation of our reports included (or incorporated by reference) in this Form 10-K into the Company's previously filed Registration Statements on Form S-8 (File No. 33-27325, File No. 33-43808 and File No. 33-84106). /s/ Arthur Andersen LLP ARTHUR ANDERSEN LLP Chattanooga, Tennessee March 27, 1998