§ Mr. Gwynfor Evansasked the Secretary of State for Social Services how many workers in Welsh stone quarries have been registered during the last 10 years as suffering from pneumoconiosis.
§ Mr. O'MalleyInformation is available only from 1967. The table below shows the number of persons first diagnosed for industrial injury purposes at the Welsh pneumoconiosis medical panels as having pneumoconiosis which was attributed to slate quarrying or mining, slate splitting or other stone quarrying.
Slate quarrying Slate splitting Other quarrying 1967 8 13 4 1968 18 24 6 1969 21 15 4 1970 15 24 3 1971 5 11 2 1972 10 18 1 1973 5 16 1 82 121 21