Fig. 1From: Urgent need to reevaluate the latest World Health Organization guidelines for toxic inorganic substances in drinking waterA drinking-water well from Tha Pyay Thar, Myanmar where the minimum, average, and maximum concentration of manganese is 390 μg/L, 1000 μg/L, and 1700 μg/L, respectively. (Photograph by Manja Uhlig, 2013; reproduced by permission of Manja Uhlig)Back to article page