1. SECTION 311(B)(6)(B)(I) OF THE CLEAN WATER ACT ( CWA ), 33 U.S.C. SECTION 1321(B)(6)(B)(I), AS AMENDED BY THE OIL POLLUTION ACT OF 1990. 2. MARIO OIL AND GAS, L.L.C. FACILITY: THOMPSON HEIRS LEASE TANK BATTERY SECTION 10, T6 N, R4 E, FRENCH FORK FIELD TULLOS, LA SALLE PARISH, LOUISIANA 71479 3. RESPONDENT WAS IN VIOLATION OF SECTION 311 OF THE CWA BY: 1) ACCUMULATED OIL IN THE SECONDARY CONTAINMENT SYSTEM(S) IS NOT PICKED UP AND RETURNED TO STORAGE OR PROPERLY DIS- POSED OF IN ACCORDANCE WITH THE REGULATIONS; 2) TANK MAT- ERIAL AND CONSTRUCTION ARE NOT COMPATIBLE WITH THE OIL STORED AND THE CONDITIONS OF STORAGE; 3) VISUAL TANK IN- SPECTIONS ARE NOT CONDUCTED PERIODICALLY BY APPROPRIATE PERSONNEL AND/OR INSPECTIONS DO NOT INCLUDE TANK FOUNDA- TION AND SUPPORTS; 4) ABOVE GROUND VALVES AND PIPELINES ARE NOT EXAMINED PERIODICALLY ON A SCHEDULED BASIS FOR GENERAL CONDITION; AND 5) BRINE DISPOSAL FACILITIES ARE NOT EXAMINED OFTEN. 4. RELIEF SOUGHT PURSUANT TO SECTION 311(B)(6)(B)(I) OF THE CWA, EPA ASSESSED THE RESPONDENT A CIVIL PENALTY OF $1,900 FOR THE VIOLATIONS CITED.