Methane Emissions from Municipal Solid Waste Landfills Regulation Final Regulation Order: June 17, 2010 Categories Programs Landfill Methane Regulation Type Legal Document California's Methane Emissions from Municipal Solid Waste Landfills Regulation was adopted by the California Air Resources Board (CARB) in 2010.For more information on the regulatory process, visit Landfill Methane Control Measure. Documents Methane Emissions from Municipal Solid Waste Landfills Regulation LANDFILLFINALFRO.PDF · 253 KB