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Contact Information:

Shasta County AQMD
1855 Placer Street
Suite 101
Redding, CA 96001-1759
(530) 225-5789

Or view the Department's
Website

Relevant State
Agencies:

Shasta County AQMD Regulations

California Public Utilities Commission

California Energy Commission

California BACT Clearinghouse Database

CARB Distributed Generation Program

Major Utilities:

Pacific Gas & Electric

Southern California Gas Company (SoCalGas)

Southwest Gas Company (SWGas)

Southern California Edison Company

Sierra Pacific Power Company

Pacificorp (Pacific Power & Light)

San Diego Gas Electric Company

Shasta County Air Quality Management District-CALIFORNIA

AIR EMISSIONS REGULATIONS:

Air Quality Status In attainment (The AQMD is all of Shasta County)
EPA's Nonattainment Areas
Major Source Threshold 250 tons of any criteria pollutant
Minor Source Permitting Exemption 50 hp or 200 hours per year
Minor Source Treatment BACT
Emergency Generating Limits 200 hours per year

DE MINIMIS EXEMPTIONS (Must Meet 1298):

Sources less than 50 hp or operating fewer than 200 hour per year are exempt from permitting.

MINOR SOURCE PERMITTING:

The air district follows CARB's guidance for permitting of electric generating technologies. This guidance recommends BACT for all criteria pollutants. 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 limitations may be required by the air district based on any health risks imposed by the project. The permitting process takes about 60 days and no comment period is required for minor sources.

TREATMENT OF EMERGENCY ENGINES:

Emergency engines must be permitted and will receive a limit of 200 hours per year, but do not have to meet BACT. These units may only operate during emergencies and for maintenance.

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