The EPA has set up an online data repository of 300,000 scientific studies they used to help decide what and how to regulate. The Health & Environmental Research Online (HERO) database "contains the key studies EPA uses to develop environmental risk assessments for the public."I typed 'uranium' into the search engine for the Science Inventory and came up with 162 items, including URANIUM MINE LOCATION DATABASE and ENERGY FROM THE WEST: ENERGY RESOURCE DEVELOPMENT SYSTEMS REPORT. VOLUME IV: URANIUM