Claudia Sola defended her doctral thesis “Traceability of PCDD/Fs formation in the advanced oxidation of triclosan in aqueous samples”, developed in the Chemical & Biomolecular Engineering Department under the supervision of Prof. Inmaculada Ortiz and Dr. María Fresnedo San Román. The academic event took place on November 20^th, 2019 at 11:30h in the ETSIIT of the University of Cantabria and the evaluation committed was formed by Prof. Ángel Irabien (University of Cantabria), Dr. Jenifer Gómez (University of Ohio, USA) and Prof. Antonio Casa de Pedro (Autonomous University of Madrid).