Hazardous Waste 4 : General. Waste materials that, when transported and/or disposed of improperly, pose an unreasonable risk to health, safety, and the environment.
Safety 2 Safety S2S - A Gateway for Plant and Process Safety, The European Web Portal for Process Safety, USA 2003. http://www.safety-s2s.eu/modules.php?name=s2s_wp4& idpart=4&op=v&letter=all, (IndS - Amer) {458}