IPCC Tier 2b Emissions Calculation Methodology Categorías Topics Climate Change, Industry & Manufacturing Programs Semiconductor Tipo Information Contact Semiconductor Correo electrónico semiconductor@arb.ca.gov Teléfono (279) 208-7884 The Regulation to Reduce Greenhouse Gas Emissions from Semiconductor Operations requires the use of the Intergovernmental Panel on Climate Change (IPCC) Tier 2b emissions calculation methodology to calculate GHG emissions. Related Resources June 2023 Board Hearing Presentation for Oil and Gas Methane Regulation CARB’s Oil and Gas Methane Regulation Annual Reporting Data for Natural Gas Underground Storage Facilities California Post Joint Auction #39 Public Proceeds Report