Connecticut Department of Energy & Environmental Protection

DEEP headquarters at 79 Elm Street in Hartford has partially re-opened to staff and members of the public as of Tuesday, February 3. The DEEP records room has re-opened. The DEEP Central Permit Processing Unit (CPPU) will be open to the public starting on Wednesday, Feb. 4. For updates, 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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