Project Proponent Australian Gold Reagents Pty Ltd Proposal description Proposal by Australian Gold Reagents Pty Ltd to double the size of its existing sodium cyanide plant at Kwinana to a capacity of 30,000 tonnes of sodium cyanide per annum and to use existing rail/road routes to transport it as a 30% solution to gold mines in the state. Region Perth Referred under EP Act s38 Industry sector Industrial Last updated July 15, 1989 4. EPA Report on assessment EPA Report Number 387 EPA Report EPA Report 387 (PDF, 2.72 MB) Key Environmental Factors Human Health Terrestrial Environmental Quality Date published Saturday, July 15, 1989 - 12:00