Service activities relating to drinking water supply systems and wastewater systems - Guidelines for benchmarking of water utilities (ISO 24523:2017)— 28 стр.
Activities relating to drinking water and wastewater services -- Guidelines for the management of drinking water utilities and for the assessment of drinking water services— 66 стр.
Activities relating to drinking water and wastewater services -- Guidelines for the management of wastewater utilities and for the assessment of wastewater services— 70 стр.
Activities relating to drinking water and wastewater services -- Guidelines for the assessment and for the improvement of the service to users— 74 стр.
Activities relating to drinking water and wastewater services - Guidelines for the management of drinking water utilities and for the assessment of drinking water services
Activities relating to drinking water and wastewater services - Guidelines for the management of wastewater utilities and for the assessment of wastewater services
Service activities relating to drinking water supply systems and wastewater systems - Guidelines for benchmarking of water utilities (ISO/DIS 24523:2015); Text in German and English
