Food Safety Resources
For volunteer work: http://www.fsis.usda.gov/wps/portal/fsis/topics/food-safety-education/get-answers/food-safety-fact-sheets/safe-food-handling/cooking-for-groups-a-volunteers-guide-to-food-safety
For restaurants: http://www.fda.gov/food/guidanceregulation/retailfoodprotection/foodcode/ucm374275.htm