Council Regulation (EC) No 993/2004 of 17 May 2004 amending Regulation (EC) No 658/2002 imposing a definitive anti-dumping duty on imports of ammonium nitrate originating in Russia and Regulation (EC) No 132/2001 imposing a definitive anti-dumping duty and collecting definitively the provisional duty imposed on imports of ammonium nitrate originating in Poland and Ukraine, and terminating the anti-dumping proceeding in respect of imports originating in Lithuania