Commission Decision of 28 July 2010 authorising the placing on the market of products containing, consisting of, or produced from genetically modified maize Bt11xGA21 (SYN-BTØ11-1xMON-ØØØ21-9) pursuant to Regulation (EC) Nº 1829/2003 of the European Parliament and of the Council (notified under document C(2010) 5135)