Understanding the process of setting air quality limit values and the associated compliance challenge—the ozone study (Concawe Review 30.1)
The European Commission is proposing to revise air quality standards to align them more closely with the World Health Organization (WHO) guidelines. This article focuses on O₃, and assesses how current and projected compliance trends will change under the current EU...
Performance of water treatment systems for PFAS removal
Report no. 5/21: Per- and polyfluoroalkyl substances (PFAS) are a group of widely used man-made organic chemical substances. They contain alkyl groups on which all or many of the hydrogen atoms have been replaced with fluorine. As such, they contain at least one...
Improving our understanding of the environmental persistence of chemicals
Significant progress has been made in the scientific understanding of factors that influence the outcome of biodegradation tests used to assess the persistence (P) of chemicals. This needs to be evaluated to assess whether recently acquired knowledge could enhance...