we have tom borelli from freedomworks. he has a ph.d in bio chemistry.ntion that because you're coming at this from a science perspective. >> absolutely. melissa: we're trying to take the politics out of it and analyze the study what they cam up with. what do you think?. >> unfortunately science and politics get mixed together. melissa: that's what we're saying. >> the study is find and did analytical study but where is the shock here? they have doing oil development sands 50 years. they found increased levels in the mud but no environmental impact. the levels are not higher than the urban area. so, it's a nice study. it may scare some people. it's something to look at maybe in the future, but there should be no shock about this at all. the same as urban environment. there is a big difference between the presence of an element or a chemical and its impact. both you and i could go out to a bar, have a shot of vodka each, measure it on us but the impact we're not drunk. so there's the difference. melissa: i have to say though, i spent a lot of time at oil