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Contact Information:
Ventura County APCD
669 County Square Dr.
2nd Floor
Ventura, CA 93003-5417
(805) 645-1400
Or view the Department's
Website
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Ventura County Air Pollution Control District-CALIFORNIA
DE MINIMIS EXEMPTIONS (Must Meet 1298):
To be exempted from permitting a unit must be less than 50 hp. District notification is not required.
MINOR SOURCE PERMITTING:
BACT is required for any new unit. BACT is typically the same as EPA's certification requirements for offroad engines.
Beyond this CARB guidance will be followed. Sample BACT for control of NOx from turbines and internal combustion
engines is as follows:
| Size of Unit |
Level of Control (ppm) |
| >3 MW |
9 |
| 3-12 MW simple cycle |
2.5 |
| 3-12 MW combined cycle |
5 |
| 12-50 MW simple cycle |
2.5 |
| 12-50 MW combined cycle |
5 |
| IC Engines |
9 |
Additional limits include a 0.05 fuel sulfur limit and an opacity limit of 20%.
Permitting generally takes from 30 days to 120 days.
TREATMENT OF EMERGENCY ENGINES:
Emergency units can be exempted from permitting if they limit maintenance hours to 50 hours per year and operate
only during emergencies. District notification is not required.
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