IPCC Tier 2b Emissions Calculation Methodology Categories Topics Climate Change, Industry & Manufacturing Programs Semiconductor Type Information Contact Semiconductor Email semiconductor@arb.ca.gov Phone (916) 324-0210 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 Technical Working Group: August 2019 CCI GHG Quantification Research Carbon Capture and Sequestration Protocol Under the Low Carbon Fuel Standard
