EU Directive 91/492/EEC, and Commission Decision 2002/225/EC, specify the shellfish types, toxin classes, and test methods used.
However, with respect to the animal numbers used, the information requested is not available, in line with the Code of Practice for Official Statistics (implementing the Statistics and Registration Act 2007) and the National Statistician's guidance ‘Confidentiality of Official Statistics’. Providing the information requested would breach statistical confidentiality relating to individual establishments and individual licensees.