Registration number (WIID)Project No.TitleStatus
7258-Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 10: Preliminary treatmentIzstrādē
7257-Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 9: Sludge treatment and disposalIzstrādē
7256-Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 8: Activated sludge treatmentIzstrādē
7255prEN 12255-1Wastewater treatment plants - Part 1: General construction principlesIzstrādē
7254-Sewage treatment plants - Large treatment plants (> 500 inhabitants) - Part 6: Primary treatmentIzstrādē
7253LVS EN 12255-14:2004Wastewater treatment plants - Part 14: DisinfectionAtcelts
7253EN 12255-14:2003Wastewater treatment plants - Part 14: DisinfectionAtcelts
7252EN 12255-13:2002Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationAtcelts
7252LVS EN 12255-13:2003Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculationAtcelts
7251LVS EN 12255-12:2003Wastewater treatment plants - Part 12: Control and automationAtcelts
Displaying 411-420 of 566 results.