CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 37275 | EN 901:2013 | Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite | Atcelts |
| 37276 | prEN 15041 rev | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polyphosphates | Izstrādē |
| 37277 | prEN 15040 rev | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts | Izstrādē |
| 37278 | prEN 15039 rev | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts | Izstrādē |
| 37279 | prEN 1197 rev | Chemicals used for treatment of water intended for human consumption - Monozinc phosphate solution | Izstrādē |
| 37280 | EN 12911:2013 | Products used for treatment of water intended for human consumption - Manganese greensand | Izstrādē |
| 37280 | LVS EN 12911:2013 | Products used for treatment of water intended for human consumption - Manganese greensand | Standarts spēkā |
| 37282 | EN 15796:2010/prA1 | Chemicals used for treatment of swimming pool water - Calcium hypochlorite | Izstrādē |
| 37283 | LVS EN 15031:2013 | Chemicals used for treatment of swimming pool water - Aluminium based coagulants | Atcelts |
| 37283 | EN 15031:2013 | Chemicals used for treatment of swimming pool water - Aluminium based coagulants | Atcelts |
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