Global Acid Rock Drainage Guide (GARD Guide)
The GARD Guide deals with the prediction, prevention and management of drainage produced from sulphide mineral oxidation, often termed “acid rock drainage” (ARD). It also addresses metal leaching caused by sulphide mineral oxidation.
International Network for Acid Prevention. 2018. Global Acid Rock Drainage Guide (GARD Guide). Available at: [Link]. Accessed January 1, 2019.