DIN EN 12255-13:2003 Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002
2021DIN EN 12255-13:2021-07 Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German and English version prEN 12255-13:2021 / Note: Date of issue 2021-06-04*Intended as replacement for DIN EN 12255-13 (2003-04).
2003DIN EN 12255-13:2003-04 Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002 / Note: To be replaced by DIN EN 12255-13 (2021-07).
2003DIN EN 12255-13:2003 Wastewater treatment plants - Part 13: Chemical treatment; Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2002