Tests find no unusual radioactive material at Pike County school

PIKETON, Ohio (AP) — State health officials and the U.S. Department of Energy say dust samples taken in late May from a southern Ohio school near a former uranium enrichment plant showed no radioactivity beyond naturally occurring levels.Scioto Valley Local School District had closed the Zahn's Corner Middle School in Piketon in mid-May after traces of radioactive material were discovered.But the Department of Energy tells The Columbus Dispatch there is no public health risk from radioacti