In United States V

In United States v.Hayes International Corp., the U.S.Court of Appeals for the 11th Circuit affirmed a conviction for unlawfully transporting hazardous waste materials to an unpermitted facility and ruled that ______________________________________ was a defense.

A) lack of knowledge that paint waste was a hazardous material
B) ignorance of the statutory permit requirement
C) ignorance of potential harm to the environment
D) neither a lack of knowledge that paint waste was a hazardous material nor ignorance of the permit requirement