EU 2017/2313
14th December 2017
SSI 2017/451
15th December 2017

GPP4

GPP 4: Treatment and disposal of wastewater where there is no connection to the public foul sewer. GPP 4 provides guidance on environmental best practice for Northern Ireland, Scotland and Wales. http://www.netregs.org.uk/media/1471/gpp4-20171114-online-v2.pdf