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EPA Extends Comment Period for RICE Emissions Standards

Posted on April 23, 2009

The EPA has extended the comment period to June 3 for the proposed national emission standards for hazardous air pollutants (NESHAP) for stationary reciprocating internal combustion engines (RICE) that are not already covered by earlier EPA regulations.

These engines are used at facilities such as power plants and chemical and manufacturing plants to generate electricity and power pumps and compressors. They are also used in emergencies to produce electricity and pump water for flood and fire control.

On February 25, 2009, the Environmental Protection Agency (EPA) proposed national emission standards for hazardous air pollutants (NESHAP) for stationary reciprocating internal combustion engines (RICE) that are not already covered by earlier EPA regulations. This rule would set emissions limits for engines that: are located at area sources of air toxics emissions; have a site rating of less than or equal to 500 horsepower, are located at major sources of air toxics emissions, and were constructed or reconstructed before June 12, 2006; have a site rating of greater than 500 horsepower, are located at major sources of air toxics emissions, and were constructed or reconstructed before December 19, 2002.

The proposed rule would reduce emissions of a number of toxic air pollutants including: formaldehyde, benzene, acrolein and others. Toxic air pollutants, also called air toxics, are those compounds known or suspected to cause cancer, other serious health problems and environmental damage.

For more information: www.epa.gov/ttn/caaa/t3/fact_sheets/rice_neshap_prop_fs_022509.pdf

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