EXHIBIT 23A EXHIBIT 23A 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 incorporated by reference in this Form 10-K/A, 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, File No. 2-97196, File No. 33- 56371, File No. 333-05813 and File No. 333-05817) 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, File No. 33-44715 and File No. 333-03933). /s/ ARTHUR ANDERSEN LLP Chicago, Illinois December 22, 1997