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. CHOLLA PETROLEUM, INC. - UNDERHILL LEASE ABOUT 3 MILES WEST OF THE CITY MADILL. MARSHALL COUNTY, OKLAHOMA 73446 3. RESPONDENT WAS IN VIOLATION OF SECTION 311(J) OF THE CWA BY: 1) NO PLAN AMENDMENT(S) IF THE FACILITY HAS HAD A CHANGE IN: DESIGN, CONSTRUCTION, OPERATION, OR MAINTEN- ANCE WHICH AFFECTS THE FACILITY'S DISCHARGE POTENTIAL; 2) PLAN DOES NOT DISCUSS APPROPRIATE CONTAINMENT/DIVERSION- ARY STRUCTURES/EQUIPMENT; 3) INSPECTIONS REQUIRED BY 40 CFR PART 112 ARE NOT IN ACCORDANCE WITH WRITTEN PROCED- URES DEVELOPED FOR THE FACILITY; 4) ACCUMULATED OIL IN THE SECONDARY CONTAINMENT SYSTEM(S) IS NOT PICKED AND RE- TURNED TO STORAGE OR PROPERLY DISPOSED OF IN ACCORDANCE WITH THE REGULATIONS; 5) DRAINS FOR THE SECONDARY CON- TAINMENT SYSTEMS AT THE TANK BATTERY(IES) AND CENTRAL TO TREATMENT STATIONS ARE NOT CLOSED AND SEALED AT ALL TIMES EXCEPT WHEN RAINWATER IS BEING DRAINED; 6) PRIOR TO DRAINAGE, RAIN WATER RUNOFF IS NOT INSPECTED TO ENSURE COMPLIANCE WITH WATER STANDARDS AND COULD CAUSE A HARMFUL DISCHARGE; 7) BYPASS VALVE IS NOT OPENED AND RESEALED UNDER RESPONSIBLE SUPERVISION; AND 8) ADEQUATE RECORDS OF DRAINAGE EVENTS ARE NOT MAINTAINE