5Joint Technical Committee PL-021 of Australian and New Zealand. AS/NZS 4765 2007 Modified PVC (PVCM) Pipes for Pressure Applications[S].Sydney: Standards Australia/Wellington: Standards New Zealand, 2006.
6PRI/88/2 Plastic Piping for Pressure Applications Committee of British Standards Institution. ISO 16422-2006 Pipes and Joints Made of Oriented Unplasticized Poly(vinyl chloride) (PVC-O) for the Conveyance of Water Under Pressure-specifications[S]. London:The British Stand- ards Institution, 2006.