Air Pollution: Sulfur Dioxide Emissions From Nonferrous Smelters Have Been Reduced
RCED-86-91
Published: Apr 29, 1986. Publicly Released: Jun 18, 1986.
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Highlights
Pursuant to a congressional request, GAO reviewed the Environmental Protection Agency's (EPA) and states' implementation of the Clean Air Act's provisions concerning copper, zinc, and lead smelters' sulphur dioxide emissions, including: (1) EPA measures to determine smelter compliance with the act and actions it took to enforce such compliance; and (2) factors EPA considered in exempting smelters from certain requirements of the act.
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Air pollution controlAir qualitystate relationsIndustrial pollutionPollution monitoringStandards evaluationSulfur dioxideCopperCompliance oversightEmissions