P204 ORACLE 204 Fri 4 Feb ITN 2100:10   WATER STRIKE:  TALKS ON SUNDAY ACAS has arranged joint talks between the water employers and unions on SundayN This followed informal talks by the conciliation service with both sides today and the meeting will be held under the chairmanship of ACASN The unions say they are ready to negotiate on the basis of possible productivity payments amounting to up to £10 a week. Environment Secretary Tom King has said that the productivity payments have been on offer for over a week but union leaders said this was "totally untrue". More people told to boil water - 205