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Enhanced CEQA Review Program Components


In 1991 the District committed to an Enhanced CEQA Review control measure in its Air Quality Attainment Plan. This program requires the District to provide technical assistance to Lead Agencies in addressing air quality issues in environmental documents. In addition, it requires the District to comment on air quality impacts and suggest mitigation measures to reduce air quality impacts from land-use related developmental projects.

In August 1998, the District’s CEQA staff produced a document entitled the Guide for Assessing and Mitigating Air Quality Impacts (GAMAQI). The GAMAQI is an advisory document that provides Lead Agencies, consultants, and project applicants with uniform procedures for addressing air quality in environmental documents. Printed copies of the document can be obtained from the District. Presented here are some pertinent highlights for your use.

  • Air Quality Attainment Status – Pollutants for which the District is classified nonattainment for either National or California Ambient Air Quality Standards
  • Air Quality Mitigation Strategies – Methods available to mitigate adverse air quality impacts from land-use related developmental projects
  • Air Quality Models – Calculation methods used to quantify the air quality effects of a project
  • CEQA & District Rules Connection – Specific relationships between CEQA and certain of the District’s Rules and Regulations
  • Common Odor Sources & Screening Distances – List of sources with the potential to frequently expose members of the public to objectionable odors and the appropriate distances from receptors that would trigger the need for further environmental review
  • Points of Contact – When you have further questions regarding the District’s CEQA participation, contact your appropriate CEQA Representative. When you have further questions regarding transportation issues in your area, contact your local Transportation Planning Agency.
  • Project Analysis Levels – The District’s three-tiered approach to determine project significance using pre-calculated levels for comparison. The three levels are as follows:
    • Small Project Analysis Level (SPAL) – A level at which there is virtually no possibility of exceeding the District’s Thresholds of Significance (TOS)
    • Cursory Analysis Level (CAL) – Projects over the SPAL but may be close to the District’s TOS (and may be able to drop below with good mitigation)
    • Full Analysis level (FAL) – Projects of sufficient magnitude that the emissions would definitely be greater than the District’s TOS’s
  • Thresholds of Significance (TOS) – District recommended thresholds for determining whether projects have a significant adverse air quality impacts as defined by CEQA