Siena Foods Ltd., located in Toronto, Ontario, is a manufacturer and distributor of prepared meat products. In 2010, the Canadian Food Inspection Agency and Siena Foods issued a health hazard alert warning the public not to consume certain Siena brand ham as it may have been contaminated with Listeria monocytogenes. Food contamination is a major risk in the food processing business, with potentially disastrous consequences for the company and its customers. How should Siena manage this risk? What preventive and reactive action plans should be in place? To what extent can Siena rely on the Canadian Food Inspection Agency to manage the risk?