Baseline radioactivity in Arizona's water.
D001130:Arizona; D005618:Fresh Water; D055593:Geological Phenomena; D005844:Geology; D009688:Nuclear Reactors; D011834:Radiation Monitoring; D011883:Radium / Q000032:analysis*; D014873:Water Pollutants / Q000032:analysis*; D014875:Water Pollutants, Radioactive / Q000032:analysis*; D014881:Water Supply / Q000032:analysis*
D014873:Water Pollutants; D014875:Water Pollutants, Radioactive; D011883:Radium