commiss opinion juli windscal vitrif plant vitrifi product store unit kingdom english text authent eec gener data plan dispos radioact wast oper windscal vitrif plant vitrifi product store provid unit kingdom govern commiss accord articl euratom treati letter receiv januari basi data obtain consult group expert commiss drew opinion distanc instal closest point territori member state ireland approxim km franc km distant normal condit liquid gaseou effluent discharg give rise neglig exposur popul member state point view health high medium level radioact wast store site low level wast dispos drigg site case unplan discharg radioact effluent occas accid magnitud consid gener data dose liabl receiv member state signific point view health conclus commiss opinion implement plan dispos radioact wast oper windscal vitrif plant vitrifi product store liabl normal oper case accid magnitud consid gener data result radioact contamin signific point view health water soil airspac member state opinion address unit kingdom brussel juli commiss carlo ripa di meana member commiss