TABLE OF CONTENTS The most comprehensive hazard assessment of non-nuclear installations in the United Kingdom is the Canvey study carried out for the HSE by SRD.
The first phase of the work is described in Canvey: An Investigation of Potential Hazards from Operations in the Canvey Island/Thurrock Area (the First Canvey Report) (HSE, 1978b). The report is in two parts: Part 1 is an introduction by the HSE and Part 2 the SRD study.
The origin of the investigation was a proposal to withdraw planning permission for the construction of an additional refinery in the area. Two oil companies, Occidental Refineries Ltd and United Refineries Ltd, had been granted planning permission for the construction of oil refineries. The construction of the Occidental refinery was begun in 1972, but was halted in 1973 pending a major design study review. United Refineries had valid planning consents, but had not started construction. It was a public inquiry into the possible revocation of the planning permission for the United Refineries development which gave rise to the investigation.
Responses to the First Canvey Report centred mainly on two aspects: the methodology used and the magnitude of the assessed risks. The HSE commissioned further work, leading to the Second Canvey Report (HSE, 1981a), in which the methodology used is revised and the assessed risks are rather lower.
An account of the first report is given in Sections A7.1 A7.6, of the response to that report in Section A7.7 and of the second report in Sections...
