TY - RPRT TI - Analysis of Persistent Soiling Losses: Cooperative Research and Development (Final Report) AU - Muller, Matthew [National Laboratory of the Rockies (NLR), Golden, CO (United States)] (ORCID:0000000238354096) AU - Valerino, Michael [Solar Unsoiled, Inc., Durham, NC (United States)] PY - 2026 DO - 10.2172/3016086 UR - https://www.osti.gov/biblio/3016086 ID - 3016086 ER -