Calculation models for CO2 uptake
There are two different uptake models for CO2 in concrete on this website. These represent Tier 1 and Tier 2 according to IPCC guidelines.
The models are intended to be used for calculating the annual CO2 uptake in concrete on a national basis for reporting of national statistics such as the National Inventory Report (NIR) and for international reporting such as the UNFCCC/IPCC.
The uptake calculation models