DIAMOND SHAMROCK OPERATES A REFINERY IN THREE RIVERS, TX., NEAR THE CITY OF CORPUS CHRISTI. THE FACILITY PRIMARILY MAN- UFACTURES DIESEL FUEL, KEROSENE, RESIDUUM, AND FOUR VISCOS- ITY GRADES OF LUBRICATING OILS. AS A RESULT OF A FIRE AT THE FACILITY ON NOV. 17, 1990, THERE WAS A BENZENE SPILL. THE FACILITY FAILED TO ACT IMMEDIATELY TO RESPOND TO THE SPILL; THEREFORE, EPA FILED AN ADMINISTRATIVE COMPLAINT ON MAR. 31, 1992, ALLEGING RCRA VIOLATIONS STEMMING FROM THE BENZENE SPILL AND VARIOUS OTHER VIOLATIONS DEALING WITH RESPONDENT'S FAILURE TO DOCUMENT PROCEDURES AS REQUIRED BY RCRA REGULA- TIONS. FACILITY ID NO. TXD990709966. ADDRESS: 301 LEROY STREET THREE RIVERS, TEXAS 78071