One thing that is never mentioned in this nalgene/polycarbonate chemicals issue is that all the clear NSF listed food services containers are polycarbonate. So if you're really worried about this, then don't eat out at any restaurant anywhere. Nevermind the fact that a weekend with room temp water in a nalgene is far less likely to have anything leach into it versus a bin that sits in a salsa bar with acidic salsa or lemons or limes in it which then get put through the high temp industrial washer.