Regulations 2, 4, 38 and 40
1. Any occupation involving—
(a)the mining, quarrying or working of silica rock or the working of dried quartzose sand or any dry deposit or dry residue of silica or any dry admixture containing such materials (including any occupation in which any of the aforesaid operations are carried out incidentally to the mining or quarrying of other minerals or to the manufacture of articles containing crushed or ground silica rock);
(b)the handling of any of the materials specified in the foregoing sub-paragraph in or incidental to any of the operations mentioned therein, or substantial exposure to the dust arising from such operations.
2. Any occupation involving the breaking, crushing or grinding of flint or the working or handling of broken, crushed or ground flint or materials containing such flint, or substantial exposure to the dust arising from any of such operations.
3. Any occupation involving sand blasting by means of compressed air with the use of quartzose sand or crushed silica rock or flint, or substantial exposure to the dust arising from sand and blasting.
4. Any occupation involving work in a foundry or the performance of, or substantial exposure to the dust arising from, any of the following operations:—
(a)the freeing of steel castings from adherent siliceous substance;
(b)the freeing of metal castings from adherent siliceous substance—
(i)by blasting with an abrasive propelled by compressed air, by steam or by a wheel; or
(ii)by the use of power-driven tools.
5. Any occupation in or incidental to the manufacture of china or earthenware (including sanitary earthenware, electrical earthenware and earthenware tiles), and any occupation involving substantial exposure to the dust arising therefrom.
6. Any occupation involving the grinding of mineral graphite, or substantial exposure to the dust arising from such grinding.
7. Any occupation involving the dressing of granite or any igneous rock by masons or the crushing of such materials, or substantial exposure to the dust arising from such operations.
8. Any occupation involving the use, or preparation for use, of a grindstone, or substantial exposure to the dust arising therefrom.
9. Any occupation involving—
(a)the working or handling of asbestos or any admixture of asbestos;
(b)the manufacture or repair of asbestos textiles or other articles containing or composed of asbestos;
(c)the cleaning of any machinery or plant used in any foregoing operations and of any chambers, fixtures and appliances for the collection of asbestos dust;
(d)substantial exposure to the dust arising from any of the foregoing operations.
10. Any occupation involving—
(a)work underground in any mine in which one of the objects of the mining operations is the getting of any mineral;
(b)the working or handling above ground at any coal or tin mine of any minerals extracted therefrom, or any operation incidental thereto;
(c)the trimming of coal in any ship, barge, or lighter, or in any dock or harbour or at any wharf or quay;
(d)the sawing, splitting or dressing of slate, or any operation incidental thereto.
11. Any occupation in or incidental to the manufacture of carbon electrodes by an industrial undertaking for use in the electrolytic extraction of aluminium from aluminium oxide, and any occupation involving substantial exposure to the dust arising therefrom.
12. Any occupation involving boiler scaling or substantial exposure to the dust arising therefrom.