This interactive mapping tool created by the CU SRP Research Translation Core permits users to visualize critical data about inhabitants and areas near Superfund sites. The Mapper is unique compared to other environmental mapping services. It focuses specifically on NPL Superfund sites and provides key demographic information on communities living within one and four miles of the actual site footprint. It is easy to use and does not require familiarity with geographic information systems. Novices may easily view the maps, generate data and new maps, and save or print their results. Access Mapper..