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What is ozone?

Definition Sources Effects
Standards Controls For more information

1-Hour Ozone
(Concentration of ozone measured over one hour)
8-Hour Ozone
(Concentration of ozone measured over eight hours)

 

 1-Hour Ozone
1-Hour Ozone Plan
The California Air Resources Board submitted the 2004 Extreme Ozone Attainment Demonstration Plan to EPA on schedule on November 15, 2004.  The Plan is currently in review at EPA.

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Extreme Ozone Attainment Demonstration Plan 
Environmental Impact Report for the Extreme Ozone Attainment Demonstration Plan
General Information
Effective June 15, 2005, the U.S. Environmental Protection Agency (EPA) revoked in full the federal 1-hour ozone ambient air quality standard, including associated designations and classifications, in all areas except 14 early action compact areas that do not include the San Joaquin Valley Air Basin (SJVAB).  For more information, click here
Upcoming Public Meetings and Workshops

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There are no upcoming public meetings or workshops.
Adopted 1-Hour Plans and Progress Reports

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Ozone Plan Chronology
Federal
October 8, 2004 Extreme Ozone Attainment Demonstration Plan

Amended 2002-2005 Rate of Progress Plan for the San Joaquin Valley Ozone (Dec. 31, 2002)

State
California Clean Air Act Triennial Progress Report and Plan Revision, 1997- 1999
Archived Workshops for 1-Hour Ozone Plans

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Workshops
Federal Regulations and Guidance Documents

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Federal Register notices for EPA actions on the San Joaquin Valley Air Basin 
Plain English Guide to the Clean Air Act
State Regulations and Guidance Documents

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Air Quality Research Studies (CCOS, CRPAQS, IMS 95, SARMAP)
Other Links

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Other Air Districts and Agencies
Air Quality Attainment Designation/Classification for the San Joaquin Valley
Estimated Emissions in the San Joaquin Valley Air Basin
California Health and Safety Code

8-Hour Ozone
8-Hour Ozone Plan

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The District Governing Board adopted the 2007 Ozone Plan on April 30, 2007. This far-reaching plan, with innovative measures and a “dual path” strategy, assures expeditious attainment of the federal 8-hour ozone standard for all Valley residents. The plan is due to EPA by June 15, 2007.

The adopted version of the 8-hour Ozone Plan can be found here

Status of State of California 8-hour ozone standard
 
Upcoming Public Meetings and Workshops

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The 2007 Ozone Plan was developed with numerous opportunities for the general public, environmental and community advocacy groups, and industry representatives to offer critique and suggestions. The District held a series of six Town Hall meetings throughout the Valley in the summer of 2006. Public workshops on the Draft Plan were held on October 17, 2006 and February 8, 2007. The plan was adopted at a public hearing held on April 30, 2007.

There are no additional District workshops or meetings on the 8-hour ozone plan scheduled at this time.

The California Air Resources Board is holding a public hearing on the District's ozone plan on June 14, 2007 at the District office in Fresno.

To receive email updates on ozone plan workshops and postings, sign up for the Ozone Plans email list at http://www.valleyair.org/lists/list.htm

Adopted 8-Hour Ozone Plans and Progress Reports

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The District’s Governing Board adopted the 8-Hour Ozone RACT SIP on August 17, 2006.

The adopted 2007 Ozone Plan is available here.

Archived Workshops for 8-Hour Ozone Plans

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Workshops and Other 8-hour Ozone Plan Meetings

Federal Regulations and Guidance Documents

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Plain English Guide to the Clean Air Act
EPA Final Revised Ozone Standards
8-hour Ozone Regulatory Actions
EPA 8-hour Ground Level Ozone Designations
Federal Clean Air Act
State Regulations and Guidance Documents

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ARB information on area designations for the 8-hr standard attainment status
Air Quality Research Studies (CCOS, CRPAQS, IMS 95, SARMAP)

Other Links

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Other Air Districts and Agencies
California Health and Safety Code