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Air Quality

2012 Corporate Responsibility Report

We are actively improving air quality by significantly reducing emissions from our power plants. We have been installing equipment to reduce nitrogen oxides (NOx) emissions from our coal-fired power plants since 1995 to comply with federal and state requirements. Additional control equipment installed to meet the requirements of the N.C. Clean Smokestacks Act and federal rules, such as the Clean Air Interstate Rule (CAIR) and Clean Air Visibility Rule (CAVR), has the added benefit of further reducing emissions of NOx, sulfur dioxide (SO2) and mercury.