1. BS EN ISO 4982. Plastics piping systems for non-pressure underground conveyance and storage of non-potable water. Arch-shaped, corrugated wall chambers made of PE or PP used for retention, detention, transportation and storage systems. Product specifications and performance criteria. (3rd May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗