100% pure water will kill you too, if you drink enough of it.

I had a friend who was training to run a marathon. He drank lots of water during training. So much so, that the docs had sidelined him and were planning on putting in a heart pacemaker. His electrolytes were all out of whack. Why the docs jumped right to the pacemaker plan without seriously addressing the electrolyte imbalance is a mystery. My friend is a PA in healthcare, and huddling with all his other PA and NP buddies, the group decision was for him to stop drinking so much water. Problem fixed. Electrolytes returned to normal. Heart arrhythmias ceased. No pacemaker. Ran a later marathon.

It wasn't the BPA. It was the pure H2O.