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ISO/TC 224  - Service activities relating to drinking water supply systems and wastewater systems - Quality criteria of the service and performance indicators

Standards and projects under the direct responsibility of ISO/TC 224 Secretariat and its SCs

Standard and/or project	Stage	ICS	TC
1ISO 24510:2007 Activities relating to drinking water and wastewater services -- Guidelines for the assessment and for the improvement of the service to users	90.60	13.060.20 13.060.30 03.080.30	ISO/TC 224
2ISO 24511:2007 Activities relating to drinking water and wastewater services -- Guidelines for the management of wastewater utilities and for the assessment of wastewater services	90.60	93.030 13.060.30	ISO/TC 224
3ISO 24512:2007 Activities relating to drinking water and wastewater services -- Guidelines for the management of drinking water utilities and for the assessment of drinking water services	90.60	93.025 13.060.20	ISO/TC 224