OPERATOR FAILED TO MAINTAIN TWO INJECTION WELLS INA MANNER THAT WOULD PREVENT THE MOVEMENT OF FLUID INTO A USDW. (40 C.F.R. SEC. 147.2903(B), 147.2905, AND 147.2909). OPERATOR FAILED TO MAINTAIN INE INJECTION WELL SO HE COULD MONITOR TO ASSURE THAT NO FLUID MOVEMENT INTO USDWS COULD OCCUR. (40 C.F.R. SEC. 147.2903(B), 147.2905 AND 147.2909). THE OPERA- TOR PLANS TO REPAIR AND TEST ONE WELL AND PLUG THE OTHER TWO WELLS. SERVICE DRILLING COMPANY ( RESPONDENT ) IS A COMPANY AUTHOR- IZED TO DO BUSINESS IN THE STATE OF OKLAHOMA AND AS SUCH IS A PERSON WITHIN THE MEANING OF SECTION 1401 (12) OF THE ACT. RESPONDENT IS SUBJECT TO UNDERGROUND INJECTION CONTROL ( UIC ) PROGRAM REQUIREMENTS. RESPONDENT IS THE OWNER/OPERATOR OF INJECTION WELLS WHICH ARE EXISTING CLASS II WELLS AS THOSE TERMS ARE DE- FINED. THE INJECTION WELLS ARE LOCATED IN OSAGE COUNTY, OK. THE WELLS HAVE NOT BEEN USED SINCE ON OR BEFORE JAN. 28, 1986. RESPONDENT SUBMITTED A VIABLE PLAN FOR FUTURE USE OF SWD #2 ON JUL. 1, 1986. RESPONDENT SUBMITTED VIABLE PLANS FOR FU- TURE USE FOR BAKER 4 AND BAKER 5 ON SEPT. 19, 1988. ON NOV. 10, 1986, THE EPA APPROVED RESPONDENT'S PLAN FOR FU- TURE USE OF SWD #2. ON JAN. 13, 1989, EPA APPROVED RESPON- DENT'S PLANS OF FUTURE USE FOR BAKER