Under FIFRA, What Happens If a Pesticide Cannot Perform Its

Under FIFRA, what happens if a pesticide cannot perform its intended function without unreasonable risks to human health or the environment?

A) The pesticide will not be approved for sale
B) The pesticide will become a controlled substance and possession will result in criminal prosecution.
C) The pesticide may be given a restricted use registration
D) The pesticide will be sold to the public anyway, with a warning label
E) The pesticide will be sold to the public anyway, but only if it treats a pest which carries the risk of spreading disease.