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Norm

ÖNORM EN 12904

Issue date: 2005 05 01

Products used for treatment of water intended for human consumption - Silica sand and silica gravel

This document is applicable to silica sand and silica gravel used for treatment of water intended for human consumption. It describes the characteristics of silica sand ...
Valid
This document is applicable to silica sand and silica gravel used for treatment of water intended for human consumption. It describes the characteristics of silica sand and silica gravel and specifies the requirements and the corresponding test methods for silica sand and silica gravel. It gives information on their use in water treatment.
ÖNORM EN 12904
2005 05 01
Products used for treatment of water intended for human consumption - Silica sand and silica gravel
Norm
ÖNORM EN 12904
1999 11 01
Products used for treatment of water intended for human consumption - Sand and gravel
Norm
Norm
ÖNORM EN 12901
Issue date : 1999 11 01
Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Definitions (trilingual edition)
Norm
ÖNORM EN 12902
Issue date : 2005 02 01
Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - Methods of test