The quantum of risk; pressure systems risks - the changing face of legislation; high-integrity pressure systems in service - a balanced approach to cost effective risk management through legislative compliance; blowdown of pressurized vessels and pipelines; on the design of GRP piping subject to dynamic loading; computer modelling of transients ruptured high pressure natural gas pipelines - a review of experimental and numerical studies; management of risk on a natural gas processing plant - a case study; methods of risk assessment and benefits from application to pressure vessel components within PowerGen; practical case study of risk management and hazards assessment applied to typical pressure systems at a pharmaceutical production facility; reliability of LPG bullets; the application of risk techniques to the design and operation of pipelines; the status of nuclear power plant in-service inspection risk management in Japan; the role of metallic bellows expansion joints in pressure systems; risk management in the assessment of the technical condition of pressure equipment operating at creep temperatures; management of safety in pressure plant and process systems using in-service inspection and hazard assessment; application of quality management system principles for the inspection of pressure systems; risk management and operation of a gas transportation network.