Recording of personal exposure to radiation.
(34 of 1955).
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(d) the date of the last medical examination made in accordance
with regulation 9 or 13, as the case may be; and
(e) the dose of radiation indicated by each certificate issued in
accordance with regulation 16.
(3) Every register maintained in accordance with this regulation shall be open to inspection at all reasonable times by any person authorized thereto in writing by the Board.
(4) Any employer who fails to comply with any of the provisions of paragraph (1), (2) or (3) shall be guilty of an offence and be liable on summary conviction to a fine of two thousand dollars.
16. (1) The employer of any person employed in radiation work shall make arrangements for and shall direct the wearing by such person of a suitable photographic film in an appropriate film holder or the wearing of a radiation dosemeter, each being of a type approved by the Board, during any period in which such person is liable to exposure to radiation.
(2) (a) Where such person is employed in radiation work in any industrial undertaking required to be registered under the provi sions of the Factories and Industrial Undertakings Ordinance 1955, the employer shall obtain at his own expense the film and film holder referred to in paragraph (1) through the Commis sioner of Labour, or from a laboratory approved by the Board, and shall arrange for the film, identified by reference to the wearet thereof, to be returned to the Commissioner of Labour or to the laboratory, as the case may be, for examination at such intervals as the Commissioner of Labour may from time to time direct.
(b) Where such person is employed in radiation work otherwise than in an industrial undertaking required to be registered under the provisions of the Factories and Industrial Under- takings Ordinance 1955, the employer shall obtain at his own expense the film and film holder referred to in paragraph (1) through the Director of Medical and Health Services or from an approved laboratory, and shall arrange for the film, iden- tified by reference to the wearer thereof, to be returned to the Director, or to the laboratory, as the case may be, for examina tion at such intervals as the Director may from time to time direct.
(3) Whenever a film is returned for examination to the Commis- sioner of Labour, the Director of Medical and Health Services or 20 approved laboratory, as the case may be, the Commissioner, the Director, or the person in charge of such laboratory shall cause the film to be examined and shall so soon as may be thereafter issue to the
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employer who submitted the film for examination a certificate certifying the dose of radiation received as represented by the results of the examination of the film.
(4) Every employer to whom a certificate in accordance with the provisions of paragraph (3) is issued shall forthwith cause the dose of radiation indicated thereon to be entered in the register of employees required to be kept in accordance with the provisions of regulation 16 against the name of the employce by whom the film was worn:
Provided that where a radiation dosemeter is worn instead of a film, the employer shall cause the weekly dose of radiation recorded by the dosemeter to be entered in the register against the name of the employee by whom the dosemeter was wom.
(5) Any employer who fails to comply with any of the provisions of paragraph (1), (2) or (4) shall be guilty of an offence and be liable on summary conviction to a fine of five thousand dollars.
(6) Any person who fails or refuses to wear a film or radiation dosemeter when so directed by his employer in accordance with the provisions of paragraph (1) shall be guilty of an offence and be liable on summary conviction to a fine of two thousand dollars.
PART V.
MATERIAL PROTECTION AND SAFE PRACTICE.
17. (1) No licensee shall cause or permit any irradiating apparatus Material to be used continuously in any room unless the floors, ceilings, walls protection and observation windows thereof are so constructed that nowhere out of static
în case side the room does the radiation dose rate, averaged over any one irradiating minute, exceed 0.75 millirads per hour:
Provided that the provisions of this paragraph shall not apply to any floor, celling, wall or observation window so sited that the space immediately outside thereof is not capable of habitual occupation by any human being.
(2) All protective material, other than sheet lead, shall be indelibly marked in such a way as to show readily its equivalent thickness of lead, and protective materials which depend upon substances other than lead for their protective properties shall in addition have marked thereon the constant electrical potential used for the generation of X-rays under the conditions at which the equivalence applies.
(3) All protective glass, including lead glass or lead barium glass. or protective liquid observation windows, shall be clearly and indelibly marked in such a way as to show readily its equivalent thickness of lead.
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