This article relies largely or entirely on a single source .(April 2018) |
![]() | This article may be too technical for most readers to understand.(June 2015) |
EN 12566 - Small wastewater treatment systems for up to 50 PT refers to a set of European standards which specify the general requirements for packaged and/or site assembled wastewater treatment plants used for domestic wastewater treatment for up to 50 PT (population total). The standards consist of the following parts: [1]