CSN EN 12566-4 ed. 2

CSN EN 12566-4 ed. 2 This European Standard specifies the requirements for septic tanks assembled in situ from prefabricated kits and ancillary equipment where applicable, used outside buildings for the partial treatment of domestic wastewater for a population up to 50 PT. Pipe sizes, loads, watertightness, marking and evaluation of conformity are specified. This European Standard does not apply to septic tanks receiving grey water only.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.