Yes. The first written message a visitor to the site would encounter reads: DANGER POISONOUS RADIOACTIVE WASTE BURRIED HERE DO NOT DIG OR DRILL

Yes. The first written message a visitor to the site would encounter reads: DANGER POISONOUS RADIOACTIVE WASTE BURRIED HERE DO NOT DIG OR DRILL HERE BEFORE 12000 AD. This message is to be rendered in seven different languages. Subsequent messages explain the situation in more detail.