[en] The levels of the liquid and airborne effluent discharges are compared with the authorised discharge limits. Consideration is also given to actions already undertaken to minimise the effluent discharges and to the design of future treatment plants to achieve the policy objective of the Company that radioactive discharges will be such that radiation exposure of the public due to waste discharge will be less than 10% of the relevant recommendations of the ICRP on the control of public exposure to ionising radiations. The paper reviews what is currently being achieved in this effluent management field. It compares the radioisotopic discharges with the limits specified in the Certificate of Authorisation issued by the controlling central government departments - and considers broadly the means whereby further reductions can be made in the effluent discharge. (orig./HP)