Tests of water in Pennsylvania downriver from sewage treatment plants that handle wastewater from natural gas drilling raised no red flags for radioactivity, the state Department of Environmental Protection said Monday.
All of the samples, taken in November and December, showed levels at or below the normal naturally occurring background levels of radioactivity, the agency said. All samples also showed levels below the federal drinking water standard for Radium 226 and 228, it said.
The DEP did not immediately release the actual results, or say what the tests showed on other gas-drilling related pollutants, if anything. It also did not say how long it has known about the results.
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