The operator of a collective water misting system must :
1° Maintain the system to ensure that it is in good working order;
2° Monitor the quality of the water present in the system at a frequency appropriate to the risks it may present, using a laboratory accredited by the French Accreditation Committee or any other equivalent European accreditation body that is a signatory to the multilateral agreement concluded within the framework of the European coordination of accreditation bodies, to take the necessary water samples and analyses;
3° Ensure, in the situation referred to in II of Article R. 1335-17 and in addition to the monitoring provided for in 2° of this article, monitoring of the quality of the water supplied to the system;
4° Implementing the necessary measures, which may involve shutting down the system, in order to prevent and correct malfunctions in the system likely to create a risk to people’s health.