Here are some helpful links in regard to food safety.
Your gateway to Federal Food Safety Information
http://www.foodsafety.gov/keep/index.html
US Food and Drug Administration
http://www.fda.gov/food/foodsafety/default.htm
Be Food Safe
http://www.befoodsafe.org/consumer_brochure
USDA/FSIS Microwave Food Safety guidelines:
http://www.fsis.usda.gov/News_&_Events/NR_090111_01/index.asp