(38)Depending on the situation, those more stringent measures can include, inter alia, the establishment of collecting systems, the development of integrated urban wastewater management plans or the application of secondary, tertiary or quaternary treatment to urban wastewater for agglomerations or urban wastewater treatment plants that do not reach the p.e. thresholds triggering the application of the standard requirements. They can also include treatment that is more advanced than the treatment necessary to respect the minimum requirements or disinfection of treated urban wastewater necessary to comply with Directive 2006/7/EC.