Documents

The purpose of this memorandum is to summarize the available information supporting this approach, some considerations in managing pyrite tailings, the available guidance and best practice, other examples of subaqueous tailings disposal, and to generally comment on the applicability for this Project.

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Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.

Managing regional aquifer systems within the arid southwestern U.S. basins requires an understanding of the extent to which aquifer recharge and withdrawal impacts the systems, both spatially and temporally.

Following the Resolution Copper Groundwater Modeling Workgroup held on January 16th, SWCA forwarded an email communication detailing the questions from the U.S. EPA on January 25th (email provided in Appendix A). This memo provides responses to EPA’s comments and supporting information.

Some copper deposits can have up to a dozen strategic and critical mineral and materials as co- products, making copper a gateway mineral to these rare elements.

This is the Record of Decision (ROD) for the U.S. Department of Agriculture, Tonto National Forest's travel management decision to comply with the 2005 Travel Management Rule, 36 CFR 212 Subpart B, to provide a system of National Forest System roads, trails, and areas on National Forest System Lands that are designated for motor vehicle use.

The purpose of this investigation was to assess the Property and surrounding areas to identify the presence or potential presence of recognized environmental conditions (RECs) potentially resulting in environmental impacts to the Property.

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring system. The purpose of the monitoring program is to provide the measurements necessary to establish existing meteorological conditions at the proposed site of the Resolution Mine is support of a future air quality permit application for the facility.

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring system.  The purpose of the monitoring program is to provide the measurements necessary to establish existing meteorological conditions at the proposed site of the Resolution Mine in support of a future air quality permit application for the facility.

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and particulate matter (PM) data collected at the Resolution Copper Project near Superior, Arizona for the fourth quarter, October 1-December 31, 2014.