Pneumoconiosis And Byssinosis (Benefit Scheme) Mr. D. E. Thomas asked the Secretary of State for Social Services how many persons are participating in the Pneumoconiosis, Byssinosis and Miscellaneous Diseases Benefit Scheme in Wales, Scotland, England and the English regions. Mr. O'Malley At 30th September 1974 there were 799 beneficiaries under the scheme in Wales, 405 in Scotland and 1,837 in England. Separate figures for English regions are not available.