The meeting was organized by the Government of Spain (Ministry of Agriculture, Food and Environment, MAGRAMA), with the collaboration of the Government of Uruguay (National Environmental Directorate). The workshop objectives were: - Collaboration of the Supply and Storage Area with other areas of the Global Mercury Partnership. - Overview of the challenges faced by the Chlor-Alkali industry, including consideration of the risk of surplus mercury within this sector going again to the market. - Highlight the mercury stabilization and solidification technologies as tools to ensure the environmentally sound management of mercury. - Present the analytical tools to characterize mercury and mercury wastes, environmental studies for mercury monitoring. - Review relevant mercury storage experiences. - Discussion on the future activities of the Supply and Storage Area. The meeting also had the aim to exchange initiatives and real experiences that have been undertaken both in public and private sectors and to contribute to disseminate information.