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Fact Sheet

November 2012

Information for Irrigation Engine Owners

This fact sheet will assist you in understanding your obligations under the National Emissions Standards for Hazardous Air Pollutants (NESHAPS) for Reciprocating Internal Combustion Engines (RICE). Requirements for this rule begin May 3, 2013.

What is the rule?
EPA issued a final rule that will reduce emissions of toxic air pollutants from reciprocating internal combustion engines including irrigation equipment. Toxic air pollutants, also known as hazardous air pollutants, are suspected of causing cancer and other serious health effects. The majority of irrigation engines in Iowa, Kansas, Missouri, and Nebraska have less than 300 horsepower. This new rule will have minor impact on this equipment. Engines with more than 300 horsepower will have additional regulatory requirements.

Who will be newly affected by this rulemaking?

What is an area source for hazardous air pollutants?
An area source for hazardous air pollutants is one that emits less than 10 tons per year of any single hazardous pollutant and less than 25 tons per year of all hazardous pollutants combined.

What are the characteristics of irrigation set or pivot engines?
What are the irrigation set or pivot engines owner/operator requirements?
This rule applies to all stationary engines. Records need to be kept for five years and all engines need to limit duration of startup and shutdown time to less than 30 minutes per event.

Contact for EPA Region 7:
David Peter, environmental engineer, at 913-551-7397 or by email at peter.david@epa.gov
For further information, please visit the following website: www.epa.gov/ttn/atw/rice/ricepg.html

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