BS PD CEN/TS 13598-3:2012
BS PD CEN/TS 13598-3:2012
Plastics piping systems for non-pressure underground drainage and sewerage. Unplasticized poly(vinyl chloride)(PVC-U), polypropylene (PP) and polyethylene (PE). Guidance for assessment of conformity
standard published 05/31/2012 by British Standards Institution