Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)— 32 стр.
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 16929. Plastics. Determination of the degree of disintegration of plastic materials under defined composting conditions in a pilot-scale test— 18 стр.
Water quality. Determination of selected parameters by discrete analysis systems. Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection— 34 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.
Stationary source emissions - Determination of the mass concentration of ammonia - Manual method (ISO 21877:2019); German version EN ISO 21877:2019— 54 стр.