BS EN 13476-2:2018 Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) Specifications for pipes and fittings with smooth internal and external surface and the system, Type A

Marking
Recycling
Physical properties of materials
Plastics
Drainage
Pipework systems
Plastic pipelines
Pipe fittings
Pipes
Sewers
Unplasticized polyvinyl chloride
Underground
Polyvinyl chloride
Polypropylene
Sewerage
Performance
Testing conditions
Polyethylene

Link: BS EN 13476-2:2018 Plastics piping systems for non-pressure underground drainage and sewerage. Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) Specifications for pipes and fittings with smooth internal and external surface and the system, Type A
Source: BSI Standards