EPA v. ARCO/SBC-BUTTE #22-OU#11

Case summary

IN 1989, EPA DETERMINED THAT SUFFICIENT DATA WERE AVAILABLE FOR THE SITE TO CONDUCT AN EXPEDITED RESPONSE ACTION, WHICH INCLUDES AN ENGINEERING EVALUATION/COST ANALYSIS STUDY, PUBLIC COMMENT, AND SELECTION AND IMPLEMENTATION OF A NON TIME CRITICAL REMOVAL ACTION. PURSUANT TO ADMINISTRATIVE ORDER ON CONSENT, CERCLA 90-14, ARCO PERFORMED THE EE/CA STUDY, WHICH EXAMINED THE CLEAN UP ALTERNATIVES FOR THE SITE. PURSUANT TO AN AMENDMENT TO THE SAME ORDER, ARCO PREPARED AN ADDENDUM TO THE EE/CA STUDY WHICH EXAMINED POTENTIAL DISPOSAL AREAS, AS WELL AS INITIAL SITE PREPARATION AND SAMPLING ACTIVITIES. ON 12/30/91, EPA SELECTED THE CLEAN UP ALTERNATIVE FOR THE SITE IN AN ACTION MEMORANDUM. THE ACTION MEMORANDUM IS LOCATED IN THE ADMINISTRATIVE RECORD FOR THE LOWER AREA ONE OPERABLE UNIT.

Defendants (3)

• ANACONDANamed in complaint
• ARCONamed in complaint
• ATLANTIC RICHFIELD COMPANYNamed in complaint

Facilities (1)

• SILVER BOW CREEK/BUTTE AREA

  BUTTE TO MILLTOWN RESERVIOR, BUTTE, MT, 59750

  Registry ID: 110009339778

Statutes cited

• CERCLA 106A — Imminent & Substantial Endangerment Order

Timeline (2 milestones)

• 1992-05-20Enforcement Action Data Entered
• 1992-05-20Complaint Filed/Proposed Order