The document summarizes a meeting of the CEEP Water Committee in Brussels on April 16, 2012. It discusses priority substances under the Water Framework Directive, including their classification, emission controls, environmental quality standards, and monitoring. It provides a history of relevant directives and decisions. It outlines the current activities around implementing quality standards by 2021 and revising the list of priority substances. Key points of discussion included potential conflicts between drinking water and waste water services, controlling emissions from various sources, and dealing with ubiquitous and unclassified but hazardous pollutants.