A study by Orb Media and State University of New York at Fredonia made headlines this week for reporting that, of 250 water bottles sourced from 11 brands in nine different countries, 93 percent of the samples were contaminated with microplastics.
http://www.foxnews.com/food-drink/2018/03/16/93-percent-bottled-water-contains-microplastics-study-says.html