Plastics made with EcoPure® are biodegradable in both aerobic and anaerobic environments. The customary disposal method of plastic bottles is either recycled or landfill we feel the most applicable test methods would be for anaerobic (landfill) environments. We, therefore, test EcoPure® products under the scrutiny of the ASTM D 5511 which is a standard test method for determining anaerobic biodegradation of plastic materials under high-solids anaerobic digestion conditions.