KERR MCGEE OWNS AND OPERATES A FACILITY ENGAGED IN CREOSOTE WOOD PRESERVING PROCESSES. THE WOOD TREATING PROCESS YIELDS WASTEWATER THAT IS PRETREATED AND DISCHARGED INTO THE CITY OF SPRINGFIELD POTW. THE COMPANY'S COLLECTION AND PRETREAT- MENT SYSTEM INCLUDES 3 SURFACE IMPOUNDMENTS, EACH OF WHICH GENERATES A LISTED HAZARDOUS WASTE, K001, (40 C.F.R. SECTION 261.32). IN NOVEMBER, 1979, THE COMPANY ESTABLISHED A ONE- ACRE EXPERIMENTAL LANDFARM TO DEGRADE CREOSOTE SLUDGE FROM ITS TREATMENT WASTEWATER. CREOSOTE SLUDGE WAS APPLIED ANNU- ALLY AND ALLOWED TO DEGRADE NATURALLY. CREOSOTE SLUDGE WAS LAST APPLIED TO THE LAND FARM ON 11/13/81. A STATISTICALLY SIGNIFCANT INCREASE IN SPECIFIC CONDUCT ANCE FOR ONE OF THE FACILITY'S GW MONITORING WELLS WAS CON- FIRMED BY DATA OBTAINED BY THE COMPANY DURING SEMI-ANNUAL GW MONITORING SAMPLING ON 05/13/83. THE COMPANY REPORTED THE INCREASE ON 07/26/83, AND, ON 11/16/83, SUBMITTED A GW QUALITY ASSESSMENT PLAN. THE COMPANY IMPLEMENTED THE PLAN (AS APPROVED BY MDNR ON 03/15/85) IN FEBRUARY-MARCH, 1984. A WRITTEN REPORT OF THE ASSESSMENT OF THE GW QUALITY DATA WAS SUBMITTED ON 10/23/84. REMEDIES/RELIEF SOUGHT: SUBMISSION OF GW QUALITY ASSESSMENT PLAN ?SECTION 265.93 (D)(3), (D)(4)?; IMPLEMENTA- TION OF EPA APPROVED GW QUALITY ASSESSMENT PLAN; SUBMISSION OF GW QUALITY REPORT; CIVIL PENALTY $48,950.