Products used for treatment of water intended for human consumption. Pumice Ingestion-build-159183 Their conditions for use

Their conditions for use

Biological indicators in sterilization validation

3 was completely revised

which are widely used in our daily environment and have an important decorative function

The standard also explains how to demonstrate competence

Products used for treatment of water intended for human consumption. Pumice Ingestion-build-159183 Their conditions for use1 Scope This European Standard is applicable to pumice used for treatment of water intended for human consumption. It describes the characteristics of pumice and specifies the requirements and the corresponding test methods for pumice. It gives information on its use in water treatment.