Acid mine drainage clean-up plan for Leviathan Mine.
Haznews, July, 2000
The US Environmental Protection Agency (EPA) and the Lahontan Regional Water Quality Control Board have agreed on a plan to treat acid mine drainage stored in ponds at the 250-acre (101 ha) Leviathan Mine Superfund Site, in California, to prevent overflow during winter 2000/01. The main clean-up contractor at the site is URS Greiner Woodward Clyde, the planning, engineering design and environmental management services firm. The treatment system was designed by Unipure Environmental, the US water treatment firm. Up to 16 million US gallons (60,560 m3) of acidic waste water stored in the site's five ponds require treatment. The Board budgeted $1.5 million for treatment work in the current year.
The treatment should reduce the dissolved concentrations of metals...
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