ISO 10467:2004 - Plastics piping systems for pressure and non-pressure drainage and sewerage -- Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin
ISO 10639:2004 - Plastics piping systems for pressure and non-pressure water supply -- Glass-reinforced thermosetting plastics (GRP) systems based on unsaturated polyester (UP) resin
NSF/ANSI 61-2012 - Drinking Water System Components - Health Effects