Supplemental Environmental Projects Policy Categories Topics Enforcement Programs Supplemental Environmental Projects (SEP) Type Information Contact Supplemental Environmental Project (SEP) Email sep@arb.ca.gov Phone (279) 216-0965 Last updated 12/08/2016 Documents SEP Policy R ARBSEPPOLICY2016.PDF · 311 KB SEP Policy Spanish R SEP_POLICY_SP_R.PDF · 115 KB Related Resources Program Information & FAQs Cargo Tank Certification Decal and Tank Number Display Requirements California State of Emergency (January 7, 2025): Sale, Offer for Sale, and Importation of U.S. EPA Certified Portable Generators into California
