Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants; German version EN 12566-3:2016— 65 стр.
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants; English version EN 12566-3:2005+A2:2013— 50 стр.
Small wastewater treatment systems for up to 50 PT - Part 7: Prefabricated tertiary treatment units; German and English version FprEN 12566-7:2015— 54 стр.
Small wastewater treatment systems for up to 50 PT - Part 3: Packaged and/or site assembled domestic wastewater treatment plants; German and English version FprEN 12566-3:2015— 65 стр.
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German version EN 12566-6:2016— 53 стр.
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German and English version FprEN 12566-6:2015— 53 стр.
Small wastewater treatment systems for up to 50 PT - Part 6: Prefabricated treatment units for septic tank effluent; German version EN 12566-6:2013— 43 стр.
BS EN ISO 5815-1. Water quality. Determination of biochemical oxygen demand after n days (BOD$dn). Part 1. Dilution and seeding method with allylthiourea addition— 35 стр.
Water quality. Determination of the elimination and biodegradability of organic compounds in an aqueous medium. Activated sludge simulation test— 36 стр.
BS EN 12566-3. Small wastewater treatment systems for up to 50 PT. Part 3. Packaged and/or site assembled domestic wastewater treatment plants— 88 стр.
Water quality - Determination of biochemical oxygen demand after n days (BOD<(Index)n>) - Part 1: Dilution and seeding method with allylthiourea acid addition (ISO 5815:1989, modified); German version EN 1899-1:1998— 21 стр.
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815:1989, modified)
Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand .....(abbreviated)
Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019)