Dr. Andrés Hugo Arias is a researcher, UNEP consultant, member of the Directive Council of the Argentinean Institute of Oceanography (IADO-CONICET) and Teacher at the National South University (Argentina). Group leader, PhD and postdoc supervisor, his area of expertise falls between marine biogeochemistry and ocean monitoring, focusing in the pollution of the marine and coastal environments: Persistent Organic Compounds/Environmental Pollution Monitoring and Assessment. Current editor for Taylor & Francis/CRC Press and international reviewer, have published more than fifty journal articles at international refereed journals and books. Dr. Sandra Elizabeth Botté, Degree in Biological Sciences and Doctor in Biology (Argentina). Specialist in: marine metal pollution and biogeochemical cycles of elements in marine and terrestrial aquatic environments. Member, advisor and director of different research projects since 1996. A researcher with a workplace since 2000 at the IADO (Argentine Institute of Oceanography) CONICET-UNS. She has more than 60 publications (articles, book chapters, technical reports, etc.) to her credit. She is a teacher since 1996 and Assistant Professor since 2017, in the Department of Biology, Biochemistry and Pharmacy, National University of the South (UNS). Bahía Blanca (8000) Argentina.