Summary of Rule Amendment Efforts
District Rule 4402 (Crude Oil Production Sumps) controls volatile organic compound (VOC) emissions from crude oil production sumps located at facilities that produce crude oil. Rule 4402 prohibits first stage sumps, and requires second or third stage sumps to have a flexible floating cover, rigid floating cover, or fixed roof cover, or to be replaced with a fixed roof tank that complies with the provisions of District Rule 4623 (Storage of Organic Liquids). Following the evaluations conducted under the District’s expedited review of Best Available Retrofit Control Technology (BARCT) required by AB 617, the District started a rule making process in 2022 for the storage and handling of produced water in sumps and ponds. The rule development process will evaluate opportunities for a potentially more stringent definition of clean produced water to determine the maximum degree of VOC emission reductions achievable, taking into account environmental, energy and economic impacts by each class or category of source.