EPA v. ANACONDA SMELTER SITE #18 OU 12 & 9

Case summary

THE ANACONDA SMELTER SITE, WHICH IS LISTED ON THE NPL, INCLUDES, BUT IS NOT LIMITED TO, THE ACTUAL SITE OF THE ANACONDA COPPER SMELTER AND ASSOCIATED REAL PROPERTY AND BUILDINGS (THIS AREA IS COMMONLY CALLED THE SMELTER HILL COMPLEX), THE OLD WORKS, THE ANACONDA TAILINGS PONDS, THE OPPORTUNITY TAILINGS PONDS, THE SLAG PILE AND THE FLUE DUST STORAGE FACILITY SOUTHEAST OF THE SMELTER FACILITIES, THE ARBITER WORKS, SEVERAL SMALLER WASTE IMPOUNDMENTS, AND SOILS IN THE AREA CONTAMINATED BY ARSENIC AND VARIOUS METALS AS A RESULT OF PAST EMISSIONS FROM THE SMELTERS. DATA RESULTS FROM THE INVESTIGATIONS CONFIRMED THAT THE ARBITER WASTES CONTAIN ARSENIC, CADMIUM, LEAD, COPPER, AND ZINC IN BOTH ELEVATED TOTAL AND LEACHABLE CONCENTRATIONS, AND THE BERYLLIUM WASTES CONTAIN BERYLLIUM AND BERYLLIUM DUSTS. THE ACTIONS REQUIRED BY THIS ORDER ARE NECESSARY TO PROTECT THE PUBLIC HEALTH OR WELFARE OR THE ENVIRONMENT, ARE IN THE PUBLIC INTEREST, ARE CONSISTENT WITH CERCLA AND THE NCP, AND WILL EXPEDITE EFFECTIVE REMEDIAL ACTION AND MINIMIZE LITIGATION. THE REMOVAL ACTION WILL ALSO CONTRIBUTE TO THE EFFICIENT PERFORMANCE OF THE LONG-TERM REMEDIAL ACTIONS CONTEMPLATED FOR THE SITE, TO THE EXTENT PRACTICABLE.

Defendants (2)

• ANACONDA SMELTER SITE #18 OU 12 & 9Named in complaint
• ATLANTIC RICHFIELD COMPANYNamed in complaint

Facilities (1)

• ARCO COAL CO ANACONDA SMELTER

  E OF ANACONDA NPL SITE, ANACONDA, MT, 597110000

  Registry ID: 110008460655

Statutes cited

• CERCLA 106A — Imminent & Substantial Endangerment Order

Timeline (3 milestones)

• 1992-07-08Complaint Filed/Proposed Order
• 1992-08-27Enforcement Action Data Entered
• 1995-06-01Enforcement Action Closed