prEN 12904
Products used for treatment of water intended for human consumption - Silica sand and silica gravel
Draft Public enquiryProject stage codes
1. Prioritetinių darbo temų pažymėjimas ir ekspertų skyrimas
2. Projektas
3. Viešoji apklausa
From 2026-10-13
till 2026-12-20
4. Closure of enquiry
5. Submission to Formal Vote
Organisation
CEN Europos standartizacijos komitetasICS
71.100.80 - Chemicals for purification of waterTechnical Committee
TK 29 Water supplyForeignTC'S
CEN/TC 164Number of comments
0Comment start date
2026-10-13Scope
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.