Activities relating to drinking water and wastewater services — Guidelines for the management of wastewater utilities and for the assessment of wastewater services (ISO 24511:2024)
< p class=" MsoBodyText" > < span lang=" FR-CH" style=" mso-ansi-language: FR-CH " > Le présent document fournit des lignes directrices pour la gestion des services publics d' assainissement et l' évaluation des services fournis.< / span>
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