EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (nos. 33-47817 and 33-47818) of Waste Recovery, Inc. of our report dated April 14, 1999 appearing on page F-1 of this Form 10-K. GRANT THORNTON LLP Dallas, Texas November 9, 1999