Below are links to various versions of the APCD's CEQA Handbook, including clarification memos and specific guidance documents.
Handbook with 2023 Administrative Updates - final version
Handbook with 2023 Administrative Updates - redline version
2023 CEQA GHG Guidance & Threshold Recommendations
Handbook with 2021/2022 Administrative Updates - final version
Handbook with 2021/2022 Administrative Updates - redline version
Handbook updated with the 2017 Administrative Updates - final version
Handbook updated with the 2017 Administrative Updates - redline version
2017 Administrative Clarification Memo
2012 SLO County APCD CEQA Handbook version - APCD Board Approved
2012 Greenhouse Gas Thresholds and Supporting Evidence