Further PA claims are formulated for the performance of the repository system as a whole, including repository-induced processes and phenomena that develop over spatial scales covering multiple barriers. The most important claims, arguments and evidence in the assessment of the total system are presented in the following sections. A more detailed discussion of these and other claims, arguments and evidence is given in Chapter 4 of NTB 24‑22 Rev. 1 (Nagra 2024u).