Modifies financial requirements of the radioactive waste investigation fund

HB 778 sets a $150,000 annual spending limit for the radioactive waste investigation fund, requiring any unused funds at year-end to revert to the hazardous waste fund. It allows local governments to request investigations into potential radioactive contamination in their areas by submitting written requests with supporting documentation. The Department of Natural Resources must prioritize these requests (giving extra weight to areas near known contamination sites), conduct investigations using scientific methods, and report results to local officials and the public within 45 days of final testing. The bill ensures investigations are conducted by qualified contractors or agencies and mandates that results be made publicly available online.