Complete Membrane Reverse Osmosis (RO) Water Test for City or Well Water (East)This tests your well or city water for: 26 heavy metals and minerals 10 other inorganic contaminants Total Organic Carbon analysis 12 physical characteristics Does not include a test for Total Coliform or E. Coli. Returns require pre authorization. Return shipping of the water sample to the laboratory is not included. If you need testing to meet regulatory or litigation purposes please contact us for tests designed for this purpose.