Golder Associates

The documents listed below were authored by Golder Associates.

This report is the 2012-2013 annual report on the field testing program for Resolution tailings. It also represents the conclusion of the project and the final evaluation of the leachate trends. The testing program, developed by Golder Associates Inc. (Golder) with Geochimica (Golder/Geochimica), included cleaner and scavenger tailings from the proposed Resolution Copper Project.

This technical memorandum presents the results from the 43-week extended kinetic geochemical characterization program of scavenger tailings for the Resolution Copper Project conducted by Golder Associates (Golder). The program was carried out to evaluate the environmental stability of the tailings and supplement the static testing program reported in Golder 2007.

This technical memorandum presents the results from the 20-week kinetic geochemical characterization program of cleaner and scavenger tailings for the Resolution Copper Project conducted by Golder Associates (Golder). The program was carried out to evaluate the environmental stability of the tailings and supplement the static testing program reported on in a previous document (Golder 2007).

This technical memorandum presents the results from the static geochemical characterization program of cleaner and scavenger tailings for the Resolution Copper Project conducted by Golder Associates (Golder). The program was carried out to evaluate the environmental stability of the tailings in support of identification, evaluation, and design of tailings management measures required to ensure protection of the environment. The focus of the program was on the potential for generation of acid rock drainage (ARD) and metal leaching (ML).

At the request of Mr. Greg Hiner of The Trust for Public Land, Golder Associates Inc. (Golder) performed a Phase I Environmental Site Assessment (ESA) of a forested property comprising all of Township 14 North, Range 12 East, Section 9, Gila and Salt River Baseline and Meridian in Coconino County, Arizona (herein referred to as the subject property or Site).

Resolution Copper Mining, LLC (RCML) is submitting for the Arizona State Mine Inspector’s review and approval this Mined Land Reclamation Plan (MLRP) for the Superior Mine in the area of Superior, Arizona.

This Technical Memorandum presents the first update of the Groundwater Assessment prepared by Golder Associates Inc. (Golder) on behalf of Resolution Copper Mining Company LLC (RCML). This work is required as part of the Area-Wide Aquifer Protection Permit (APP) No. P101703, for the West Plant Site (Figure 1). Specifically, this Technical Memorandum partially fulfills APP Compliance Schedule Item (CSI) No. 2.

The purpose of this Site Characterization Report is to provide a summary of existing relevant environmental data to characterize smelter affected soil at the West Plant Site, and to evaluate that data for use in the development of human health risk-based site-specific soil remediation standards (SSSRLs) for the West Plant Site.

This report provides the necessary background information to support an Individual Aquifer Protection Permit (APP) application for a new Development Rock Stockpile at the Superior Mine, West Plant Site, in Superior, Arizona.

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EIS Status Update - Mar 2019

As of March 15, a Draft EIS update is now available under the ‘Public Involvement’ tab. To view the update, click here.

EIS Timeline - Feb 2019

  1. Proponent submits revised Plan of Operations [Sep 2014]
  2. Federal Register Notice of Intent to prepare EIS [Mar 2016]
  3. Public scoping period and scoping meetings
    [5 meetings between Mar-Jun 2016; comment period extended from 60 days to 120 days, closed Jul 18, 2016 ]
  4. Compile and review existing data
  5. Prepare project description and identify project alternatives
  6. Publish Alternatives Evaluation Report [Sep 2017]
  7. We Are Here
    Validate Baseline Information; analyze environmental effects
  8. Prepare Draft EIS
  9. Federal Register Notice of Availability of Draft EIS
  10. 90-day public review and comment period, with public meetings
  11. Respond to public comments and prepare Final EIS
  12. Federal Register Notice of Availability of Final EIS and Draft ROD
  13. 45-day Public Objection Period
  14. Resolve objections to Final EIS and draft ROD
  15. Issue Final Record of Decision

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Forest Points of Contact

Media & General Info
John Scaggs
jscaggs@fs.fed.us

Project Manager
Resolution Copper
Mary Rasmussen
mcrasmussen@fs.fed.us

Apache Leap Special Management Area
Apache Leap SMA website