IPCC Tier 2b Emissions Calculation Methodology Categories Topics Climate Change, Industry & Manufacturing Programs Semiconductor Type Information Contact Semiconductor Email semiconductor@arb.ca.gov Phone (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. Documents IPCC Tier 2b Emissions Calculation Methodology V3_6_CH6_ELECTRONICS_INDUSTRY.PDF · 422 KB Related Resources LBNL Decarbonization Technologies Analysis 2024 AB 32 GHG Emissions Inventory 2025 Edition Documents November 2025 Joint Auction #45 Notice
