Prime Engine Regulations
The District requires permits for non-vehicular (i.e. portable and stationary) engines which are 50 horsepower and greater to limit emissions.
1. Standby engines have a limit on the number of hours the engine can operate in for testing and maintenance in every calendar year.
2. An operation log must be maintained.
3. Engines may have limits on the time it can operate during the day (for example the engine may prohibited from operating for testing and maintenance during school hours if located within 500 feet of a school.
4. Engines owners are required to perform annual maintenance on the engine (and if installed control equipment). Diesel engines are required to maintain records on site of the type of diesel fuel (i.e. “CARB diesel”) used in the engine.
In the event your engine or equipment associated with the engine malfunctions and you are in violation of a district rule or regulation you may have had an equipment breakdown.
Engine Requirements Summary Sheets
For more information, contact the Compliance Division at (858) 586-2650 or by email.