Superfund Site Profile
The Argonaut Mine Site (site) is an historic hard rock gold mine that operated from the 1850s to 1942. The Argonaut Mining Company processed ore and disposed of tailings in a portion of the northwest side of present-day Jackson, CA. As a result of years of mining operations, portions of the site's soil have high levels of arsenic, lead, mercury, and other metals. EPA has been working at the site since 2013 to understand and address the contamination.
EPA's primary concern is exposure to mine waste. There are several kinds of mine waste: tailings, waste rock, and processing debris (oils, metals, machinery, ...
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