EXHIBIT 23 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS To the Board of Directors and Management of Safety-Kleen Corp.: As independent public accountants, we hereby consent to the incorporation of our reports included in or incorporated by reference to this Form 10-K, into the Company's previously filed Registration Statements on Form S-8 (File No. 2-97490, File No. 2-67421, File No. 33-34892, File No. 33-51396 and File No. 2-97196) and on Form S-3 (File No. 22-806, File No. 33-18043, File No. 33-15010, File No. 33-27174, File No. 33-30519, File No. 33-35008 and File No. 33-44715. /s/ ARTHUR ANDERSEN & CO. Chicago, Illinois, March 25, 1994