Code of Federal Regulations, Title 21, ‘Food and Drugs’, Parts 10-199, Government U.S. Office of the Federal Register, 1979
2.
United Kingdom Water Fitting Byelaw Scheme, No. 5-01-02, Sept. 1984, Issue 2. ‘Requirements for the Testing of Non-Metallic Materials for use in Contact with Potable Water’, Water Research Council, Fittings Testing Station, Slough
3.
UK Merchant Shipping (Fire Appliances) Regulations, 1980
4.
Materials and Articles in contact with Food Regulations, 1978, Council Directive 76/ 893/EEC of 23rd Nov. 1976
5.
‘Textile Reinforcement of Elastomers’, Ed. WakeW.C. and WooltonD.B., Applied Science Publishers1982, pp. 91, 92, 94
6.
BS 5351, 1985 ‘Steel Ball Valves for the Petroleum, Petrochemical and Allied Industries’, British Standards Institution; BS 5146,1974, ‘Specification for Inspection and Test of Valves. Part 1, Steel Valves’, British Standards Institution. Saunders Valve Data Manual: ‘Diaphragm, Ball, Butterfly Valves’, Saunders Valve Co., Cwmbran, Gwent
Bundesgesundheitsblatt Recommendation XXI, ‘Articles based on Natural or Synthetic Rubber (Solid Rubber)'; Recommendation XXXI, ‘Special Articles from Rubber’; Recommendation XXXII, ‘Articles based on Elastomers from Natural and Synthetic latices and Dispersions of Solid Rubber’; Recommendation XXXVIII, ‘Inflations, Hoses and Seals from Plastics and Rubbers for Milk and Processing Machinery’
9.
DibboA., F.I.P. (UK) Ltd., ‘New Developments in Thermoplastic Valves’, Paper presented at the international conference on Developments in Valves and Actuators for Fluid Control B.H.R.A., Oxford, Sept. 1985
