### Radiation (Control of Radioactive Substances) Regulations 《輻射(管制放射性物質)規例》

20. Exhaust ventilation
(1) No proprietor of any affected undertaking or affected industrial undertaking shall cause or permit any work involving the handling of any unsealed radioactive substance in powder, paste, gas or vapour form to be carried out by any person except in a cabinet provided with exhaust ventilation of a type approved by the Authority.
(2) (a) Any proprietor of any affected undertaking or affected industrial undertaking who contravenes any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $15,000.
(b) Any person employed in any such undertaking who carries out any work referred to in subregulation (1) otherwise than in a cabinet of a type referred to therein shall be guilty of an offence and liable on conviction to a fine of $3,000. (L.N. 226 of 1990)
(L.N. 98 of 1970)

21. Tool racks and cleaning of tools
(1) The proprietor of any affected undertaking or affected industrial undertaking shall, for the storage of tools not in actual use, provide suitable racks on all work benches on which any unsealed radioactive substance is handled and shall cause such racks and all such tools to be cleaned at the end of each working day or shift.
(2) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $6,000. (L.N. 98 of 1970; L.N. 226 of 1990)

22. Receptacles for certain substances
(1) The proprietor of any affected undertaking or affected industrial undertaking shall provide receptacles of a kind approved by the Authority for all unsealed radioactive substances used or stored in such undertaking.
(2) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $6,000. (L.N. 98 of 1970; L.N. 226 of 1990)

### Radiation (Control of Radioactive Substances) Regulations 《輻射(管制放射性物質)規例》

23. Ventilation of drying stove
(1) No proprietor of any affected undertaking or affected industrial undertaking shall cause or permit the use of any stove for the drying of any unsealed radioactive substance, or for the drying of any article to which any such substance has been applied, which is not effectively ventilated to the open air to the satisfaction of the Authority.
(2) Any proprietor of any affected undertaking or affected industrial undertaking who contravenes any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $6,000. (L.N. 98 of 1970; L.N. 226 of 1990)

24. Provision of storage safes in certain cases
(1) If so required by the Authority the proprietor of any affected undertaking or affected industrial undertaking shall provide and maintain for the storage of radioactive substances, including sealed sources, one or more storage safes of a kind approved by the Authority, and shall ensure that all radioactive substances which are not in use are stored therein and that only the minimum quantities required for immediate use are removed therefrom at any one time.
(2) Every safe referred to in subregulation (1) which contains any radioactive substance which emits any radioactive substance in gaseous form shall be provided with adequate ventilation to the open air.
(3) The proprietor shall ensure that no radioactive substance, including, any sealed source, is removed from the safe referred to in subregulation (1) unless it is contained in a suitable protective container and is removed by a person having reasonable experience or training in the use of radioactive substances.
(4) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of this regulation shall be guilty of an offence and liable on conviction to a fine of $15,000. (L.N. 98 of 1970; L.N. 226 of 1990)

25. Disposal and transport of radioactive waste
(1) The proprietor of any affected undertaking or affected industrial undertaking shall cause all radioactive waste to be removed at frequent intervals from any workplace in which any radioactive substance, including any sealed source, is handled, and in any case at the end of each working day or shift, and shall cause such waste to be placed in one or more containers of a type approved by the Authority and thereafter disposed of in accordance with the provisions of regulation 9.
(2) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $6,000. (L.N. 98 of 1970; L.N. 226 of 1990)

### Radiation (Control of Radioactive Substances) Regulations 《輻射(管制放射性物質)規例》

26. Method of cleaning
(1) The proprietor of any affected undertaking or affected industrial undertaking shall cause all cleaning which is required to be done under these regulations to be done by a wet method and all implements used in such cleaning to be properly washed after use and kept, when not in use, in a locked cupboard kept exclusively for that purpose.
(2) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $6,000. (L.N. 98 of 1970; L.N. 226 of 1990)

### Radiation (Control of Radioactive Substances) Regulations 《輻射(管制放射性物質)規例》

28. Protective screens
(1) The proprietor of any affected undertaking or affected industrial undertaking in which any person is employed in any work or process involving the handling of any unsealed radioactive substance in liquid form shall provide for the use of such person, and shall direct such person to use, a suitable protective screen so constructed that it is or can be placed in a position between the face and the hands of the worker so as effectively to screen the face from the work during the handling of the substance.
(2) (a) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $15,000.
(b) Any person who fail to comply with any direction given by the proprietor of any affected undertaking or affected industrial undertaking pursuant to the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $3,000. (L.N. 226 of 1990)
(L.N. 98 of 1970)

29. Washing facilities
(1) The proprietor of any affected undertaking or affected industrial undertaking shall provide washing facilities with soap, towels and nail brushes and an adequate supply of water free from radioactive contamination for the use of any person employed in any work or process involving the handling of any unsealed radioactive substance or any containers of such substance, and shall direct any such person to make adequate use of such facilities.
(2) (a) Any proprietor of any affected undertaking or affected industrial undertaking who fails to comply with any of the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $15,000.
(b) Any person who fails to comply with any direction given by the proprietor of any affected undertaking or affected industrial undertaking given pursuant to the provisions of subregulation (1) shall be guilty of an offence and liable on conviction to a fine of $3,000. (L.N. 226 of 1990)
(L.N. 98 of 1970)