Don t take what you see to be the complete picture, however. The public is entitled to see this information, but its free and easy dissemination is correctly deemed unwise. Try these websites, or do a search. Risk is costly in an abstract sense. Being in a risky situation makes you uncomfortable, which has costs in terms of your health.
Risk can also have dollar values.
Imagine you are carrying an expensive vase across a frozen pond. Reducing uncertainty often means doing more research. Research costs time and money. A ranch I once worked on had to shut down its dairy because it didn t pasteurize the milk, as required by law. Perfectly safe, damn tasty, and gone for the foreseeable future.