On December 20, 2012, the U.S. Environmental Protection Agency (EPA) finalized a specific set of adjustments to Clean Air Act standards, originally finalized in March 2011, for boilers and certain solid waste incinerators, commonly known as the Boiler MACT Rule.

The specific set of adjustments address new data provided to the agency and additional information about real-world performance and conditions under which affected boilers and incinerators operate, according to the EPA. “These adjustments maintain the dramatic cuts in the cost of implementation that were achieved in the final standards issued in March 2011,” says the agency.

There are approximately 14,000 major source boilers and process heaters in the U.S. All of those will be required to conduct periodic tune-ups, and about 12 percent will be required to take steps to meet numerical emission limits if they do not already meet them, according to the EPA.

The final adjusted standards will be effective upon publication in the Federal Register.

“Existing sources must comply with the standards three years from the date of publication of the final revised standards, and if needed, may request an additional year, according to the agency.

The estimated annualized cost to implement these standards is $1.4 to $1.6 billion.

“The value of the benefits would increase by about 23 percent based on greater reductions of SO2; estimated benefits associated with reduced exposure to fine particles would be $27 to $67 billion in the year 2015,” according to the EPA.

For more information, visit the EPA website.

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