On March 15, 2018, the District Board of Directors amended District Rule 360.
Beginning on January 1, 2019, the rule revisions require all newly installed and modified natural gas units to meet the 20 ppm oxides of nitrogen (NOx) emission standard.

Rule Number

Rule Title

Adoption / Amended Date

Rule 1304Part 70 Operating Permits – Issuance, Renewal, Modification and ReopeningOctober 18, 2018 – Amended
Rule 360Boilers, Water Heaters, and Process Heaters (0.075 – 2 MMBtu/hr)March 15, 2018 – Amended
Rule 102DefinitionsAugust 25, 2016 – Amended
Rule 105ApplicabilityAugust 25, 2016 – Amended
Rule 202Exemptions to Rule 201August 25, 2016 – Amended
Rule 204ApplicationsAugust 25, 2016 – Amended
Rule 801New Source Review – Definitions and General RequirementsAugust 25, 2016 – Amended
Rule 802New Source ReviewAugust 25, 2016 – Amended
Rule 803Prevention of Significant DeteriorationAugust 25, 2016 – Repealed
Rule 804OffsetsAugust 25, 2016 – Amended
Rule 805Air Quality Impact Analysis, Modeling, Monitoring, and Air Quality Increment ConsumptionAugust 25, 2016 – Amended
Rule 806Emission Reduction CreditsAugust 25, 2016 – Amended
Rule 809Federal Minor Source New Source ReviewAugust 25, 2016 – Adopted
Rule 1301Part 70 Operating Permits – General InformationAugust 25, 2016 – Amended

For past rulemaking documents, please see the Past Workshops and Hearings page.

For questions associated with this page, please call the Rules section at (805) 961-8800 or email us at [email protected].