Short answer: no. Longer answer: buy from farmer's markets, preferably places where you have seen the farm or met the farmer. You can't inspect everything the

Short answer: no. Longer answer: buy from farmer's markets, preferably places where you have seen the farm or met the farmer. You can't inspect everything they do, but you can ask yourself, "does this seem like the kind of person who is trying to do things right?" But, also, refer to the short answer, above.