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Superior Soil Study Area | VRP Site


Multiple sites in Superior, AZ

Acceptance Into Voluntary Remediation Program (VRP):

December 14, 2016

Contaminants of Concern (COCs):

Metals from historic mine smelter activities

Affected Media:


What Are My Health Risks?

For Soil | There is little to no health risk unless there is contact with skin or ingestion of contaminated soil.

Site Summary:

  • Smelter emissions study.
  • Limited initial site characterization activities completed in June 2018.
  • An initial investigation report, including a preliminary risk evaluation, was submitted to ADEQ in July 2018. ADEQ and the Volunteer communicated throughout the fourth quarter of 2018 to evaluate path-forward options for the risk evaluation.
  • The Volunteer is working in close cooperation with ADEQ to develop a comprehensive risk assessment in spring 2019.