Council Directive 91/676/EEC of 12 December 1991 concerning the protection of waters against pollution caused by nitrates from agricultural sources(OJ L 375, 31.12.1991, p. 1).
Treoir 91/676/CEE ón gComhairle an 12 Nollaig 1991 maidir le huiscí a chosaint ar thruailliú de bharr níotráití ó fhoinsí talmhaíochta (IO L 375, 31.12.1991, lch. 1).