LANL ACRSP Parameter Recommendations for CRA-2026 Performance Assessment

Technical Report · Wed May 28 00:00:00 EDT 2025

DOI:https://doi.org/10.2172/2568541· OSTI ID:2568541

Swanson, Juliet S. ^[1]; Kaplan, Ugras S. ^[1]; Kutahyali Aslani, Ceren S. ^[1]

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1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

This report provides recommendations made by the Los Alamos National Laboratory—Carlsbad Operations (LANL-CO) Actinide Chemistry & Repository Science Program (ACRSP) for the following parameters used in the 2026 Compliance Recertification Application (CRA) Performance Assessment (PA) calculations: OXCUTOFF, CONCMIN, CONCINT, CAPMIC, PROPMIC, and SOLMOD (SOLCOH and SOLSOH). A summary of the values recommended for the WIPP parameters are included in the Tables below. The shaded cells indicate a change from the CRA-2019 recommended values. A short summary of the basis and justification for each parameter and recommendation is given in this document.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA)
• DOE Contract Number: 89233218CNA000001
• OSTI ID: 2568541
• Report Number(s): LA-UR--25-25192-Rev.1; LCO-ACP-41-Rev.1
• Country of Publication: United States
• Language: English

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