In what scenarios can the Na/Cl ratio be less than one (1) and the TDS is less than 500mg/l? Is it possible to have such a test result?

I did some lab tests on groundwater samples from a coastal delta area and the results shows that the Na/Cl ratio is less than 1 and the TDS is less than 500mg/l. Ratio of less than 1 implies that...

09 February 2019 6,442 7 View