REGION III MODIFIED A RCRA 3008(h) ADMINISTRATIVE ORDER ON CONSENT, EFFECTIVE DECEMBER 1998, WITH SUPERIOR TBE COMPANY FOR ITS FACILITY LOCATED IN COLLEGEVILLE, PENNSYLVANIA. THE 1998 ORDER REQUIRED STC TO PUMP AND TREAT CONTAMINTED GROUNDWATER UNTIL THE APPLICABLE MCLs WERE ATTAINED. EPA SUBSEQUENTLY DETERMINED THAT IT IS TECHNICALLY IMPRACTICABLE TO MEET APPLICABLE MCLS AT THE FACILITY AND MODIFIED ITS SELECTED MEDIA CLEANUP STANDARD FROM APPLICABLE MCLs TO APPLICABLE PENNSYLVANIA SITE SPECIFIC STANDARDS (SSSs) FOR GROUNDWATER. THE MOFIDIFIED ORDER REQUIRES STC TO OPERAT AND MAINTAIN THE PUMP AND TREATMENT SYSTEM UNTIL APPLICABLE SSSs ARE MET.