2004BS 4213:2004 Cisterns for domestic use. Cold water storage and combined feed and expansion (thermoplastic) cisterns up to 500 l. Specification
1991BS 4213:1991 Specification for cold water storage and combined feed and expansion cisterns (polyolefin or olefin copolymer) up to 500 L capacity used for domestic purposes
1986BS 4213:1986 Specification for cold water storage and feed and expansion cisterns (polyolefin or olefin copolymer) and cistern lids
1980BS 4213:1975 Specification for cold water storage cisterns (polyolefin or olefin copolymer) and cistern covers