Aliso Canyon Natural Gas Leak Related and Supporting Documents CARB Board Presentation: Update on Aliso Canyon, February 18, 2016 (PDF)NEWS RELEASE: SCAQMD, CARB Set Criteria for Determining that Gas Leak no Longer Affects Air Quality in Porter Ranch (February 16, 2016)Criteria for Determining when Air Quality in the Porter Ranch and Surrounding Communities Has Returned to Typical (Pre-SS-25 Leak) Levels (February 16, 2016)Official Letter to Governor Brown from Southern California Gas Company (December 18, 2015)Official Letter to Southern California Gas Company from CARB (December 10, 2015)
