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OENORM EN 12255-14
Wastewater treatment plants - Part 14: Disinfection
Edition
2024-02-01
OENORM EN 12255-15
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
Edition
2004-05-01
OENORM EN 12255-16
Wastewater treatment plants - Part 16: Physical (mechanical) filtration
Edition
2022-01-15
OENORM EN 12566-1
Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanks
Edition
2018-12-01
OENORM EN 12566-1
Small wastewater treatment systems for up to 50 PT - Part 1: Prefabricated septic tanks
Edition
2016-12-01
OENORM EN 12566-3
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
Edition
2018-12-01
OENORM EN 12566-3
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants
Edition
2016-12-01
OENORM EN 12566-4
Small wastewater treatment systems for up to 50 PT - Part 4: Septic tanks assembled in situ from prefabricated kits
Edition
2016-12-01
OENORM EN 12566-6
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent
Edition
2018-12-01
OENORM EN 12566-6
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent
Edition
2016-12-01
