detailed scavenger and emitter information transport, storage, or retail display (Shimoni (Floros et al. 1997; Suppakul et al. 2003; et al. 2001). Kerry et al. 2006; Coma 2008). Payne et al. (1998) examined the effect of Ionizing Irradiation packs flushed with CO2, packs flushed with CO2 and containing Ageless® oxygen scav- Irradiation is a safe and effective method to enger, and packs containing oxygen scaven- improve food safety and quality. Ionizing ger alone on microbial counts of beef stored irradiation employs gamma rays (cobalt-60 for up to 20 weeks at −1.5°C. Although packs and cesium-137 as radioactive sources), with the scavenger system had the greatest x-rays (machine-generated), and e beam microbial counts at the end of week 16, all (high-energy electrons, machine-generated)