Resumen:
The document is applicable to sand and gravel used for treatment of water intended for human consumption. It describes the characteristics of sand and gravel and specifies the requirements and the corresponding test methods for sand and gravel and gives information on its use in water treatment.
Das Dokument gilt für Sand und Kies, die zur Aufbereitung von Wasser für den menschlichen Gebrauch verwendet werden. Es beschreibt die charakteristischen Eigenschaften von Sand und Kies und gibt Informationen für seine Anwendung in der Wasseraufbereitung.
Keywords:
Chemical composition, Chemical properties, Drinking water treatment, Filter sands, Filtering materials, Filters, Filtration behaviour, Gravel, Marking, Physical properties, Potable water, Purification, Sand, Specification (approval), Storage, Testing, Treatment, Water, Water practice, Water purification, Water supply, Water treatment