I'd like to see a source for "chemically indistinguishable". Here is what I've read: https://www.ewg.org/news-insights/news/amid-pipe-wars-researchers-wary-plas

I'd like to see a source for "chemically indistinguishable". Here is what I've read: https://www.ewg.org/news-insights/news/amid-pipe-wars-researchers-wary-plastic-pipes-leaching-chemicals https://www.ewg.org/news-insights/news/amid-pipe-wars-resear...