1.  2-Naphthylamine; benzidine; 4-aminodiphenyl; 4-nitrodiphenyl; their salts and any substance containing any of those compounds, in a total concentration equal to or greater than 0.1 per cent by mass.

Manufacture and use for all purposes including any manufacturing process in which a substance described in column 1 of this item is formed.

2.  Sand or other substance containing free silica.

Use as an abrasive for blasting articles in any blasting apparatus.

3.  A substance—

(a)containing compounds of silicon calculated as silica to the extent of more than 3 per cent by weight of dry material, other than natural sand, zirconium silicate (zircon), calcined china clay, calcined aluminous fireclay, sillimanite, calcined or fused alumina, olivine; or

(b)composed of or containing dust or other matter deposited from a fettling or blasting process.

4.  Carbon disulphide.

Use in the cold-cure process of vulcanising in the proofing of cloth with rubber.

5.  Oils other than white oil, or oil of entirely animal or vegetable origin or entirely of mixed animal and vegetable origin.

Use for oiling the spindles of self-acting mules.

6.  Ground or powdered flint or quartz other than natural sand.

Use in relation to the manufacture or decoration of pottery for the following purposes—

• the placing of ware for the biscuit fire;

• the polishing of ware;

• as the ingredient of a wash for saggars, trucks, bats, cranks, or other articles used in supporting ware during firing; and

• as dusting or supporting powder in potters' shops.

7.  Ground or powdered flint or quartz other than—

(a) natural sand; or

(b) ground or powdered flint or quartz which forms parts of a slop or paste.

Use in relation to the manufacture or decoration of pottery for any purpose except—

• use in a separate room or building for—

  (i)

  the manufacture of powdered flint or quartz, or

  (ii)

  the making of frits or glazes or the making of colours or coloured slips for the decoration of pottery;

• use for the incorporation of the substance into the body of ware in an enclosure in which no person is employed and which is constructed and ventilated to prevent the escape of dust.

8.  Dust or powder of a refractory material containing not less than 80 per cent of silica other than natural sand.

Use for sprinkling the moulds of silica bricks, namely bricks or other articles composed of refractory material and containing not less than 80 per cent of silica.

9.  White phosphorus.

Use in the manufacture of matches.

10.  Hydrogen cyanide.

Use in fumigation except when—

• released from an inert material in which hydrogen cyanide is absorbed;

• generated from a gassing powder; or

• applied from a cylinder through suitable piping and applicators other than for fumigation in the open air to control or kill mammal pests.

11.  Benzene and any substance containing benzene in a concentration equal to or greater than 0.1 per cent by mass, other than—

(a) motor fuels covered by Council Directive 85/210/EEC (OJ No. L96, 3.4.85, p. 25);

(b) waste covered by Council Directives 75/442/EEC (OJ No. L194, 25.7.75, p. 39), as amended by Council Directive 91/156/EEC (OJ No. L78, 26.3.91, p. 32) and 91/689/EEC (OJ No. L377, 31.12.91, p. 20).

Use for all purposes except—

• use in industrial processes; and

• for the purposes of research and development or for the purpose of analysis.

12.  The following substances—

• Chloroform CAS No. 67-66-3;

• Carbon tetrachloride CAS No. 56-23-5;

• 1,1,2-Trichloroethane CAS No. 79-00-5;

• 1,1,2,2-Tetrachloroethane CAS No. 79-34-5;

• 1,1,1,2-Tetrachloroethane CAS No. 630-20-6;

• Pentachloroethane CAS No. 76-01-7;

• Vinylidene chloride (1,1-Dichloroethylene) CAS No. 75-35-4;

• 1,1,1-Trichloroethane CAS No. 71-55-6, and any substance containing one or more of those substances in a concentration equal to or greater than 0.1 per cent by mass, other than—

  (a)

  medicinal products;

  (b)

  cosmetic products.

Supply for use at work in diffusive applications such as in surface cleaning and the cleaning of fabrics except for the purposes of research and development or for the purpose of analysis.