AIR EMISSIONS REGULATIONS:

Air Quality Status	In attainment (AQMD includes all of Nevada, Plumas, Sierra counties) EPA's Nonattainment Areas
Major Source Threshold	250 tons triggers PSD
Minor Source Permitting Exemption	Size and fuel based
Minor Source Treatment	Case by case
Emergency Generating Limits	None

DE MINIMIS EXEMPTIONS (Must meet 1298)

An engine firing natural gas or liquid petroleum gas and emitting less than 1 ton per year is exempt from permitting.

MINOR SOURCE PERMITTING

Any unit with actual emissions greater than 1 ton per year of a criteria pollutant must be permitted. All sources must meet a 20% opacity requirement, but other limits will be determined on a case by case basis. Any controls will be required dependent on a health risk assessment. The district is currently considering some permitting guidance released by the state, but no decisions have been made.

Permitting officials aim for permit completion within a month, but may take up to a year.

TREATMENT OF EMERGENCY ENGINES

There is no special treatment in place.