Sch 1B Pt 7 para 5
The statistical procedure shall meet the following requirements: The statistical control will be based on attributes. The sampling system shall ensure: (a) a level of quality corresponding to a probability of acceptance of 95 %, with a non-conformity of less than 1 %; (b) a limit quality corresponding to a probability of acceptance of 5 %, with a non-conformity of less than 7 %.