Papers contain industrial experience, as well as academic research, and are presented under the headings of: Mature and Practical Formality, Managing Risk in the Railway Industry, Safety Integrity Levels, the Human Side of Risk, Assessment and the Derivation of Evidence, and Safety Argument and the Law.

List.- Keynote.- Dear Sir, Yours faithfully: An Everyday Story of Formality.- Mature and Practical Formality.- Safe Object-Oriented Software: The Verified Design-By-Contract Paradigm.- A Rigorous Specification Technique for High Quality Software.- Managing Risk in the Railway Industry.- Development and Use of the UK Railway Network’s Safety Risk Model.- Safety Decision Making for the Railway.- Safety Integrity Levels.- Methods of Determining Safety Integrity Level (SIL) Requirements - Pros and Cons.- An Examination of the IEC 61508 Approach Towards Safety Integrity Levels and Modes of Operation of Safety Functions.- The Human Side of Risk.- Chasing Shadows: Science Journalism and the Politics of Risk.- Completing the Human Safety Jigsaw.- Assessment and the Derivation of Evidence.- Evidence Gathering Using Static Code Analysis.- Estimating PLC Logic Program Reliability.- A Systematic Framework for the Assessment of Operating Systems.- Safety Argument and the Law.- The Changing Face of UK Safety Legislation.- Turning up the HEAT on Safety Case Construction.