Sulphur Bank Mine - Wikipedia
Bradley Mining Company first optioned Sulphur Bank mercury mine from Ruddock in 1927 and then purchased the mine and surrounding 700 acres (2.8 km 2). The mine was operated under the name, Sulphur Bank Syndicate, but eventually operated as the Bradley Mining Company.
EPA Proposes Cleanup Plan for Sulphur Bank Mercury Mine …
2023年1月13日 · The 160-acre Sulphur Bank Mercury Mine Superfund site sits on the shore of Clear Lake in Lake County, Calif. Historic mining contaminated the property with unhealthy levels of mercury, arsenic and antimony.
Mercury studies at Sulphur Bank Mercury Mine and Clear Lake, …
2019年8月27日 · The Sulphur Bank Mercury Mine is an inactive mercury mine located on a 200-acre property on the southeast shores of Clear Lake. The mine site includes a flooded open pit mine and approximately 3,000,000 cubic yards of contaminated mine waste.
One of Northern California's most polluted ... - The Mercury News
2024年2月25日 · From the 1860s until it closed in 1957, the Sulphur Bank Mine was one of the largest mercury mines in the United States. Gold miners in the Sierra Nevada used the mercury dug from its...
EPA Selects Final Cleanup Plan for the Sulphur Bank Mercury Mine ...
2023年12月4日 · SAN FRANCISCO – The U.S. Environmental Protection Agency (EPA) today announced the final cleanup plan for the Sulphur Bank Mercury Mine Superfund site, covering the mine site and residential soils in Clearlake Oaks, Calif. EPA’s cleanup plan will combine and cover mine waste piles, remove or cover contaminated residential soils, minimize ...
2019年6月11日 · SBMM is a former mercury mine located near the southeastern shore of Clear Lake. The mine, once one of the largest producers of mercury in California, was mined from 1856 to 1957. About two million cubic yards of tailings and …
Since 1990, the United States Environmental Protection Agency (EPA) has worked to clean up mercury and arsenic contamination at the Sulphur Bank Mercury Mine Superfund Site (Site) and has conducted several cleanup actions at the Site.
Legacy Mercury Contamination from Historical Gold Mining
The abandoned Sulphur Bank Mercury Mine on the shores of Clear Lake in Northern California has been designated as a "Superfund Site" by the U.S. Environmental Protection Agency (EPA).
EPA has completed eight short-term cleanup projects at the site to prevent community members and the environment from coming into contact with highly contaminated mine waste (pollution). EPA has also been researching options for a long-term cleanup for the site.
Historic mining contaminated the mine property with unhealthy levels of mercury, arsenic and antimony. Contamination from the site also impacts the wetland area north of the mine and Clear Lake itself. This brochure summarizes the U.S. Environmental Protection Agency’s proposed plan to address Operable Unit 1 of the site.