Cargo Handling Equipment Back To All Programs Cargo Handling EquipmentAboutResources Enforcement AdvisoriesOpacity TestingRegulatory DocumentsReporting Subscribe Primary Contact Cargo Handling Equipment Email cargohandling@arb.ca.gov Phone (916) 323-4327 Categories Topics Freight & Goods Movement Division Transportation and Toxics Division Resources Information Overview of CHE Regulation Fact Sheet Fact Sheet for 2011 CHE Amendments Fact Sheet FAQ for CHE Opacity Monitoring Requirements - 2015 Fact Sheet FAQ for CHE Regulation (including Opacity Monitoring) - 2020 Information Cargo Handling Equipment Regulation to Transition to Zero-Emissions