Resources Resources, research, data & other tools Resource DirectoriesExecutive OrdersPermits, Certifications, Verifications, and RegistrationsFormsDatabase ApplicationsResearchA-Z indexVapor RecoveryEducational ResourcesVideos Keywords (-)EnforcementAir Cleaners & Ozone Generating ProductsAir Toxics ProgramCalifornia Racing VehiclesCargo Tank Vapor RecoveryCommunity Air Protection Program Community HealthConsumer Products ProgramEmergency Backup GeneratorsEnforcement of Clean Truck Check HD I/M RegulationEnforcement Policy & ReportsExposureFuels Enforcement ProgramIndoor AirNaturally Occurring AsbestosNew Source Review Permitting ProgramsOutdoor Air Quality StandardsPeople at Risk(-)Portable Equipment Registration Program (PERP)Protect California Air Act of 2003 - Senate Bill 288Public Safety Power Shutoff (PSPS) EventsResearch PlanningResidential Woodsmoke ReductionSupplemental Environmental Projects (SEP)Sustainable Communities & Climate Protection ProgramFact SheetForm(-)Information(-)NoticeReports 2 results found for NoticePERP- Public Notification & Outreach Information Non-road Diesel Engine Certification Tier Chart Featuredthe TruckStop Diesel truck informationDriveClean Buying guide for clean and efficient vehiclesBreathe Well Air quality in your neighborhood