The Social Security (Industrial Injuries) (Prescribed Diseases) Amendment (No. 2) Regulations 1993
These Regulations further amend the Social Security (Industrial Injuries) (Prescribed Diseases) Regulations 1985 (S.I.1985/967) (“the principal Regulations”) by providing for the prescription of chronic bronchitis and emphysema as an industrial disease (“PD D12”) where either condition has, or both conditions have, been contracted after working for twenty years underground in a coal mine (regulation 6).In order to qualify for benefit a claimant must show—by means of a chest radiograph that he has coal dust retention to at least the level of Category 1 in the International Labour Office’s publication “The Classification of Radiographs of Pneumoconioses” Revised Edition 1980, 8th Impression 1992 published at Geneva; anda forced expiratory volume in one second at least one litre below the mean value predicted in accordance with “Lung Function: Assessment and Application in Medicine” by J. E. Cotes, 4th Edition 1979 published at Oxford (ISBN 0-632-00033-3) (“Cotes”) for a person of the claimant’s age, height and sex, measured from the position of maximum inspiration with the claimant making maximum effort.