What can be the source of high sulfate and sodium in river water samples?

K=0.02, SO4=14.5, Cl=1.5, Na=28 Approximate location of sample: 38°08'21.3"N 46°28'37.4"E Measurements are accurate and the unite for all the ions is meq/l. 24 water samples are gathered from a...

03 February 2017 3,484 17 View