New Pollution Controls Proposed in Arizona

The U.S. Environmental Protection Agency (EPA) is proposing new pollution controls for six Arizona industrial facilities – including Phoenix Cement Co.’s Clarkdale plant and CalPortland Cement Co.’s Rillito plant – to improve visibility at national parks and wilderness areas. Emissions of sulfur dioxide and nitrogen oxides would be reduced by 30,000 tpy and 3,100 tpy, respectively, under the new proposal.

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