1.   Seed and sprout producers can reduce the risk of contamination, the article said, but tainted seeds cannot be eliminated completely.

2.   Tainted seed is supposed to be destroyed.

3.   The tainted seed is supposed to be destroyed or diverted to industrial uses.

4.   USDA said it would buy tainted seed only from seed companies that never sold StarLink themselves.

5.   USDA said it would buy tainted seed only from small seed companies that never sold StarLink themselves.