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 (916) 229-0320 Last updated 12/08/2016 Documents SEP Policy R PDF · 311 KB SEP Policy Spanish R PDF · 115 KB Related Resources Automated License Plate Reader Periodic Smoke Inspection Program (PSIP) Frequently Asked Questions LCFS Enforcement
