| http://www.w3.org/ns/prov#value | - Proposed Rules will Help Keep Drinking Water, Streams and Rivers CleanHARRISBURG -- High levels of total dissolved solids pollution from natural gas drilling and other sources pose a real threat to Pennsylvania???s streams and rivers, including aquatic life, warned Department of Environmental Protection Secretary John Hanger today.???The treating and disposing of gas drilling brine and fracturing
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