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Atlantic Richfield Co

Mining companies dueling over concealed pollution

Mining companies dueling over concealed pollution

HELENA — The American Smelting and Refining Co. alleged in a lawsuit filed earlier this month that the Atlantic Richfield Co. fraudulently concealed pollution-related documents during the sale of ARCO’s East Helena zinc fuming plant to Asarco.

January 23, 2015 9:12 amLoading…

Butte judge dismisses residents’ lawsuit against ARCO

BUTTE — A Butte judge has dismissed a contamination case against Atlantic Richfield Co. brought by nearly 100 residents of Opportunity more than five years ago.

December 25, 2013 6:15 amLoading…

Mine waste cleanup funds from ARCO to flow this year

BUTTE — Money for restoration projects in Butte will finally begin to flow this year from a 2008 settlement with Atlantic Richfield Co. that allocated $28.1 million plus interest to restore polluted ground and surface water resources.

April 14, 2013 10:28 pmLoading…

Nearly $100M approved for Butte-area remediation work

BUTTE — Two area plans allocating nearly $100 million in settlement money received the signature of former Gov. Brian Schweitzer on Jan. 3, culminating a long process of planning, review and public input.

January 11, 2013 8:25 amLoading…

$10M slated for Anaconda project to replace century-old water mains

ANACONDA — Anaconda-Deer Lodge County will finish replacing its century-old water mains across town, thanks to a $10 million one-time allocation from the Natural Resource Damage Program.

November 04, 2012 10:15 amLoading…

Asarco suing for help with cleanup costs

HELENA — Asarco wants three other companies to help pay for environmental cleanup required at its former lead smelter in East Helena and a silver mine near Philipsburg.

June 11, 2012 11:54 amLoading…
Plan set to treat Milltown Dam tailings

Plan set to treat Milltown Dam tailings

ANACONDA -- Work will begin in May to treat and cap about 660 acres of contaminated sediment removed from the former Milltown Dam reservoir near Missoula and held at the tailings repository site at Opportunity.

April 13, 2012 10:56 amLoading…
Concept for treating Milltown Dam tailings in place

Concept for treating Milltown Dam tailings in place

ANACONDA -- While exact details are pending, the Environmental Protection Agency and Atlantic Richfield Co. have a concept in place to treat roughly 2.5 million cubic yards of contaminated sediment from the former Milltown Dam reservoir.

February 02, 2012 6:45 amLoading…

Lead cleanup coming for Anaconda yards

ANACONDA -- The Environmental Protection Agency is making progress toward a new cleanup plan that would address higher-than-expected levels of lead in some Anaconda yards.

November 04, 2011 1:15 pmLoading…

EPA to begin pollution testing in Black Eagle

GREAT FALLS - Federal environmental regulators will begin testing the soil outside Black Eagle homes for heavy metal contamination after Labor Day to determine the public risk and the scale of the cleanup they will have to undertake.

August 19, 2011 9:09 amLoading…

Superfund status debated for Black Eagle refinery

GREAT FALLS - Cascade County commissioners are expected to vote on a resolution today asking Gov. Brian Schweitzer to nominate the former Missouri River metals refinery in Black Eagle for the federal Superfund list.

August 11, 2009 11:00 amLoading…

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