did read, >e360: Do we really eat a credit card’s worth of plastic each week? >Rauert: That has absolutely been debunked

and >...we found is that lipids and fats will give you a false positive for polyethylene. Lipids are made up of the same building blocks as polyethylene, so when we analyze them, they look identical in our analysis instrument. >I know it is easy to say we don’t have enough information yet, but we do know about [the health risks from] these chemicals that are in all the plastics that your food is wrapped in.