SRP to settle complaint by installing air pollution controls



Aug. 13

The owner and operator of a coal-fired power plant in St. Johns, Ariz., will install air pollution controls at an estimated cost of $400 million and pay a $950,000 civil penalty to settle a Clean Air Act complaint filed by the U.S. Environmental Protection Agency and the Justice Department.

The Salt River Project Agricultural Improvement and Power District, also known as SRP, has agreed to install pollution control equipment on both generating units at its Coronado Generating Station. The controls will reduce combined emissions of sulfur dioxide and nitrogen oxides by 21,000 tons annually.

SRP will install flue gas desulfurization devices -- known as scrubbers -- at both units and selective catalytic reduction controls at one of the units.

In addition, SRP will spend $4 million on environmentally beneficial projects to reduce air emissions and mitigate the impacts of the alleged violations.

The projects include:

- Installing additional pollution control equipment on public school bus diesel engines in the Phoenix metropolitan area

- Installing solar photovoltaic panels on school buildings in Arizona and funding the maintenance of the panels for at least 10 years

- Offering incentives to residential homeowners, such as rebates, toward the replacement of pre-1988 wood stoves with cleaner burning, energy-efficient stoves or hearth appliances.

In a complaint that the government filed with lodging the consent decree, the EPA and the Justice Department claimed that the utility illegally modified the two units at the plant, thereby increasing air pollution. Specifically, the government cited the utility for failing to obtain necessary pre-construction permits and install required pollution control equipment.

The settlement was part of the EPA´s enforcement initiative to control harmful emissions from coal-fired power plants under the Clean Air Act´s New Source Review requirements. The proposed consent decree will be lodged with the U.S. District Court for the District of Arizona, and will be subject to a 30-day public comment period.

Information on the settlement is available online at www.usdoj.gov/enrd/open.html .

Contact Waste News senior reporter Bruce Geiselman at (330) 865-6172 or bgeiselman@crain.com

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