Amendment of Schedule 1 to the principal Scheme

3.—(1) Schedule 1 to the principal Scheme shall be amended in accordance with the following provisions of this article.

(2) In column 2 of the entry relating to disease number 5 (primary malignant neoplasm of the mesothelium etc.) for the present entry there shall be substituted the following entry—

• “Exposure to asbestos, asbestos dust or any admixture of asbestos at a level above that commonly found in the environment at large.”.

(3) In column 1 of the entry relating to disease number 8 (primary carcinoma of the lung etc.) for sub-paragraph (b) there shall be substituted the following sub-paragraph—

“(b) unilateral or bilateral diffuse pleural thickening extending to a thickness of 5mm or more at any point within the area affected as measured by a plain chest radiograph (not being a computerised tomography scan or other form of imaging) which—

(i) in the case of unilateral diffuse pleural thickening, covers 50 per cent or more of the area of the chest wall of the lung affected; or

(ii) in the case of bilateral diffuse pleural thickening, covers 25 per cent or more of the combined area of the chest wall of both lungs.”.