council decis april approv behalf european commun protocol convent long rang transboundari air pollut heavi metal ec council european union regard treati establish european commun articl conjunct articl sentenc subparagraph subparagraph thereof regard propos commiss regard opinion european parliament commun sign aarhu june protocol convent long rang transboundari air pollut heavi metal hereinaft quot protocol quot protocol aim control emiss heavi metal caus anthropogen activ subject long rang transboundari atmospher transport signific advers effect human health environ protocol stipul reduct total annual emiss atmospher cadmium lead mercuri applic product control measur measur envisag protocol contribut achiev object commun polici environ commun member state cooper framework respect compet member countri compet intern organis commun approv protocol decid articl protocol convent long rang transboundari air pollut heavi metal sign june approv behalf european commun text protocol attach decis articl presid council authoris design person empow deposit instrument approv secretari gener unit nation accord articl protocol articl decis publish offici journal european commun luxembourg april council presid rosengren oj opinion octob publish offici journal