1 EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the inclusion in this Form 10-K of our report dated January 31, 1994. It should be noted that we have not audited any financial statements of the Company subsequent to December 31, 1993 or performed any audit procedures subsequent to the date of our report. Arthur Andersen & Co. Boston, Massachusetts March 23, 1994 65