DEEP headquarters at 79 Elm Street in Hartford is currently closed due to recent water damage impacting multiple areas of the building. We are working to remediate the situation and get the building back open to staff and the public as soon as possible. While the building is closed, Staff continue to work either remotely or in alternate locations. We continue to be able to receive documents via U.S. Mail or courier service, and our electronic file submittal protocols remain unchanged. For updates, please click here

What is your existing area source >500 HP engine category?

Please click on one of the links below. A corresponding video will play.

 Emergency Compression Ignition  Non-emergency compression ignition
 Emergency Spark Ignition  Non-emergency spark ignition 4-stroke lean burn, operates less than or equal to 24 hours per year.
 Non-emergency spark ignition 4-stroke lean burn, operates more than 25 hours per year.  Non-emergency spark ignition 2-stroke lean burn
 Non-emergency spark ignition 4-stroke rich burn, operates more than 24 hours per year  Non-emergency spark ignition 4-stroke rich burn, operates less than or equal to 24 hours per year
 Non-emergency landfill or digester gas  Residential, commercial or institutional emergency engine

 

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