Mealey's (June 18, 2015, 10:24 AM EDT) -- RESEARCH TRIANGLE PARK, N.C. — The National Institute of Environmental Health Sciences (NIEHS) journal “Environmental Health Perspectives” (EHP) on April 2 published a study that concluded that radium decay products are initially absent from hydraulic fracturing waste water; however, radioactivity levels in waste water that is stored can increase for more than 100 years....