EXHIBIT 99.3



FOR IMMEDIATE RELEASE                                      CONTACT: Maureen Fisk
                                                                    847/468-2452


                    SAFETY-KLEEN ANNOUNCES CONSUMMATION OF
                      LAIDLAW ENVIRONMENTAL TENDER OFFER


     Elgin, IL. - April 3, 1998 -- Safety-Kleen Corp. (NYSE/SK) today announced
that Laidlaw Environmental Services, Inc. (NYSE/LLE) has consummated its
exchange offer to Safety-Kleen Corp. shareholders who tendered their shares
prior to the offer's expiration on March 31, 1998.

     Upon closing the Exchange Offer, Laidlaw Environmental acquired
approximately 49.9 million shares of Safety-Kleen representing 83.4% of Safety-
Kleen's outstanding common shares. In accordance with the exchange offer, each
share of Safety-Kleen stock was exchanged for 2.8 shares of Laidlaw
Environmental Common Stock plus $18.30 in cash. The exchange resulted in the
issuance of 139.5 million shares of Laidlaw Environmental Common Stock. The LLE
shares and cash will be promptly conveyed to the SK shareholders who tendered
their shares.

     An additional 10.6% of Safety-Kleen's outstanding shares which were
tendered by guarantees will be acquired for the same consideration on Tuesday,
April 7. This would result in the issuance of an additional 17.7 million shares
of Laidlaw Environmental. The remaining shareholders will receive the same
compensation for their shares as a result of a merger which will follow a
special shareholders meeting in early May.

     Safety-Kleen is a leading environmental and industrial service company
dedicated to helping nearly 400,000 industrial and automotive customers recycle
and process their waste streams.

     Laidlaw Environmental Services, Inc. is headquartered in Columbia, South
Carolina and supplies hazardous and industrial waste management service to
industry and government across North America. The Company provides customers
with local service from more than 100 locations in the United States and Canada.