This volume provides a referenced review and assessment of the health hazards associated with recreational waters. It covers their monitoring and assessment, activities available for their control through the education of users, good design, constructionand good operation and management.Under high bather density, the classification should therefore be increased to the next higher class if no sanitary facilities ... 9) and are summarized as follows: ac Stage 1: lnitial sampling to determine whether significant spatial variation exists.
|Title||:||Guidelines for Safe Recreational Water Environments: Coastal and fresh waters|
|Author||:||World Health Organization|
|Publisher||:||World Health Organization - 2003|