German standard methods for the examination of water, waste water and sludge - General information (group A) - Part 11: Sampling of waste water (A 11)— 21 стр.
Cast iron pipes and fittings, their joints and accessories for the evacuation of water from buildings - Requirements, test methods and quality assurance; German version EN 877:1999 + A1:2006 + A1:2006/AC:2008— 59 стр.
Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polyethylene (PE) - Part 1: Specifications for pipes, fittings and the system; German version EN 1519-1:1999— 23 стр.
Wastewater lifting plants for buildings and sites - Part 1: Lifting plants for wastewater containing faecal matter; German version EN 12050-1:2015— 42 стр.
Gravity drainage systems inside buildings - Part 5: Installation and testing, instructions for operation, maintenance and user; German version EN 12056-5:2000— 10 стр.
Plastics piping systems for non-pressure underground drainage and sewerage - Polyethylene (PE) - Part 1: Specifications for pipes, fittings and the system; German version EN 12666-1:2005+A1:2011— 35 стр.
Plastics piping systems for soil and waste discharge (low and high temperature) within the building structure - Polyethylene (PE) - Part 2: Guidance for the assessment of conformity; German version CEN/TS 1519-2:2012