Report of a consultants' meeting on a review of the methods used for leak rate measurements for WWER 440/230 confinements and WWER/440/213 containments. Extrabudgetary programme on the safety of WWER NPPS

During the meeting the first two days were given to the presentations of the papers, after which the meeting was divided into working groups which prepared the experts' positions on the following topics: requirements of the National Regulatory Authorities on confinement/containment leak rate testing methods; local leak rate test methods; integral leak rate test methods; structural integrity testing; methods of evaluation of leak rate test results. The reports prepared by each working group were reviewed in plenary sessions and the final conclusions were discussed and agreed upon in the plenary meeting. 16 refs, 6 tabs