U.S. Assistance to Foreign Copper Producers and the Effects on Domestic Industries and Environmental Standards: Hearing Before the Subcommittee on Mining, Forest Management, and Bonneville Power Administration of the Committee on Interior and Insular Affairs, House of Representatives, Ninety-eighth Congress, First Session, on U.S. Assistance to Foreign Copper Producers and the Effects on Domestic Industries and Environmental Standards, Hearing Held in Tucson, Ariz, May 20, 1983 |
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acid deposition acid plant acid rain air pollution air quality ambient American areas Arizona ASARCO average Cananea Cananea expansion Cananea project Cananea smelter capacity Chairman Clean Air Act Cochise County Colorado commodity companies Congress Congressman McNulty copper mines copper prices copper production copper smelters copper workers development banks domestic copper industry domestic industry Douglas smelter economic effects emissions emitted environmental export facilities financing going Government impact increase International Finance Corporation Kennecott KINNEBERG lakes levels loan located lung Metal metric tons Mexico million Minera de Cananea miners monitors Mountain National nitrogen oxides operating particulate percent Phelps Dodge Pima County pollution control precipitation problem RIEBER samples smelter pollution smelting sources stack standards sulfate sulfate concentrations sulfur dioxide sulfuric acid summer testimony Thank tion Tucson U.S. representatives United visibility WEAVER World Bank world copper world market Zambia