matter. that's because waste management, which owns the landfill, doesn't have to listen to what the county board says. it answers to the state. so it signed a contract with bp and started dumping the oily waste right where rockco and plenty of others feared they would. >> what concerns you most about this oil and the tar balls and the whole mixture going to your landfill? >> the long-term effects that we will have to endure if it in fact -- if in fact we do find that it is dangerous. >> like if it gets into your water. >> into our water table, absolutely. >> reporter: keeping them honest, we asked bp why it's disposing of spill waste in a county that says it's plead wed them not to. bp wouldn't comment. so we asked waste management's ken halden to take us inside the landfill so we could see for ourselves why bp, the epa and waste management all say it's safe. >> there are many worried that