BS DD ENV 1852-2:2001 Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Guidance for the assessment of conformity
2015BS PD CEN/TS 1852-2:2015 Plastics piping systems for non-pressure underground drainage and sewerage. Polypropylene (PP). Guidance for the assessment of conformity
2009BS DD CEN/TS 1852-2:2009 Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Guidance for the assessment of conformity
2001BS DD ENV 1852-2:2001 Plastics piping systems for non-pressure underground drainage and sewerage - Polypropylene (PP) - Guidance for the assessment of conformity