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Sulfur dioxide (1 - 10 of 20 items)

Electricity

Significant Changes Are Expected in Coal-Fueled Generation, but Coal is Likely to Remain a Key Fuel Source
GAO-13-72, Oct 29, 2012

Clean Air Act

Mercury Control Technologies at Coal-Fired Power Plants Have Achieved Substantial Emissions Reductions
GAO-10-47, Oct 8, 2009

Clean Air Act

Preliminary Observations on the Effectiveness and Costs of Mercury Control Technologies at Coal-Fired Power Plants
GAO-09-860T, Jul 9, 2009

Air Pollution

Meeting Future Electricity Demand Will Increase Emission of Some Harmful Substances
GAO-03-49, Oct 30, 2002

Air Pollution

Emissions from Older Electricity Generating Units
GAO-02-709, Jun 12, 2002

Air Quality

TVA Plans to Reduce Air Emissions Further, but Could Do More to Reduce Power Demand
GAO-02-301, Mar 8, 2002

Air Pollution

Air Quality and Respiratory Problems in and Near the Great Smoky Mountains
GAO-01-790T, May 25, 2001

Air Pollution

Air Quality and Respiratory Problems in and Near the Great Smoky Mountains
GAO-01-658, May 25, 2001

Government Operations

Observations on the Environmental Protection Agency's Fiscal Year 1999 Performance Report and Fiscal Year 2001 Performance Plan
RCED-00-203R, Jun 30, 2000

Air Pollution

Implementation of the Clean Air Act Amendments of 1990
T-RCED-00-183, May 17, 2000