This Spill Prevention, Control, and Countermeasure (SPCC) Plan was prepared in accordance with 40 Code of Federal Regulations (CFR), Part 112, Oil Pollution Prevention and is required because the RCM Copper Mining, LLC (RCM) West Plant Site (WPS) facility stores greater than 1,320 gallons of oil and petroleum products above ground. This SPCC Plan describes the procedures followed by RCM for the WPS activities to prevent, control, and mitigate releases of oil and petroleum products to the environment at its RCM WPS located near the Town of Superior, in Pinal County, Arizona.