naturally occurring radioactive material
October 2, 2013 -
Duke University scientists studied a site where treated wastewater from oil and gas drilling operations is discharged into a Pennsylvania creek and found radium levels 200 times higher than upstream, creating environmental risks for thousands of years to come.
September 24, 2012 -
As the boom in oil and gas drilling sends a surge of waste into underground injection wells, safeguards for disposing of these materials are sometimes being ignored or circumvented.
August 22, 2012 -
Tests find low levels of health-damaging pollutants including radioactive elements in and around the Texas Brine sinkhole in Bayou Corne, La. -- but environmental advocates say the potential cumulative health impacts justify continued monitoring.
August 14, 2012 -
Local officials in Assumption Parish, La. are upset that they weren't warned by state and corporate officials that a salt mine where a massive sinkhole recently appeared was used for the disposal of radioactive waste from oil and gas drilling.