U.S. EPA Contaminated Site Cleanup Information (CLU-IN)

U.S. Environmental Protection Agency
U.S. EPA Technology Innovation and Field Services Division

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EPA Region 8, 2 pp, 2019

One of the leading sources of metals loading to nearby waterways originates from the runoff of contaminated soils from mine tailings in the Bonita Peak Mining District. To stabilize the solid media in source areas, EPA is implementing a BioCement pilot study on the north side of the former Kittimac Mill. BioCement technology provides an innovative erosion control strategy that uses "microbial induced calcite precipitation." to solidify loose soils into rock. Four 5' 15' areas of the Kittimac site will be treated with BioCement over two months. If successful, this technology will be used to stabilize additional tailings and soil.

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