451 resultados para radioactivity


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This report summarizes the results of groundwater quality monitoring conducted at 68 public water supply wells in Iowa between October 2015 and March 2016. Raw groundwater samples were analyzed for basic water quality parameters, nutrients, atrazine and its degradates, and chloroacetanilide herbicides and their ethanesulfonic and oxanilic acid degradates. In addition, a subset of samples were analyzed for radionuclides including gross alpha and gross beta radioactivity, radium-226, and radium-228.