“…This is done using risk management policies such as HACCP (Scipioni et al 2005) or FMEA (Arvanitoyannis and Savelides, 2007) combined with testing procedures using quantitative methods such as the PCR test (Lüthy 1999;Arvanitoyannis, 2006) For maize production, the link between industry and farms is the country elevator (USA), or grain merchant (UK), whose infrastructure is the site of the highest mixing risk between GM and non-GM corps (Le Bail and Valceschini, 2004). Several critical features have been identified in this collection chain (Bullock and Dequilbet, 2002;Le Bail, 2003), concerned with cropping plan management, storage of harvested products and, in the case of maize, drying, which is a bottleneck in maize collection.…”