The evaluation reaffirms the conclusions of the DEIS that the National Ambient Air Quality Standards (NAAQS) will not be exceeded – including when using the mining-sector specific average silt content values recommended by EPA.
The decision is to adjust the 2007 Interim Guidelines for Lower Basin shortages and coordinated operations of Lake Powell and Lake Mead as described under Section IX of this 2024 Near-term Colorado River Operations ROD.
The scope of this Master Water Plan will detail the water infrastructure needed to serve the Auction Property and will provide a regional framework for the anticipated infrastructure needed for the surrounding area around Development Units 1 & 2 totaling approximately 5,307 acres (Retained Property).
The paper presents a review of carbon footprints (CF) for Cu and Zn produced from primary and secondary raw materials by analyzing data taken from scientific literature and the Ecoinvent database.
As the worsening drought crisis continues to impact communities across the West, the Department of the Interior today announced urgent action to improve and protect the long-term sustainability of the Colorado River System, including commitments for continued engagement with impacted states and Tribes.
The purpose of the withdrawal requested is to protect the lands pending conveyance to the Town of Superior (Town), Pinal County, Arizona as directed by Congress.
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.
This plan describes the procedures followed by RCM for the EPS activities to prevent, control, and mitigate releases of oil and petroleum products to the environment at its RCM EPS located near the Town of Superior, in Pinal County, Arizona.
A bat survey was conducted on the approximately 1,224-hectare Federal Parcel, in the Tonto National Forest. The purpose of this survey was to determine which bat species could be confirmed present on Parcel.
Baseline biological studies in the Resolution Project Area. Surveys reported here focus specifically on aquatic habitats in Mineral Creek, Devils Canyon, and two tributaries to Devils Canyon, Ranch Rio and Hackberry Creeks.
