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I ~ TABLE 8 <br />Colorado Department of Health <br />Ground Water Agricultural Standards <br />Aluminum, Dissolved mg/l 5.0 <br />Arsenic, Dissolved ug/l 100.0 <br />Boron, Dissolved ug/l 750.0 <br />Cadmium, Dissolved ug/l 10.0 <br />Chromium, Dissolved ug/l 100.0 <br />Copper, Dissolved ug/l 200.0 <br />Fluoride, mg/t 2.0 <br />Iron, Dissolved mg/l 5.0 <br />Lead, Dissolved ug/l 100.0 <br />Manganese, Dissolved mg/I 0.2 <br />Mercury, Dissolved ug/l 10.0 <br />Molybdenum, Dissolved ug/l 100.0 <br />Nickel, Dissolved ug/l 200.0 <br />Nitrite Nitrogen-N mg/l 10.0 <br />N03-N02 Nitrogen-N mg/t 100.0 <br />Selenium, Dissolved ug/l 20.0 <br />Zinc, Dissolved mg/l 2.0 <br />pH (S.U.) 6.5-8.5 <br />Livestock standard (all others are irrigation standards) <br /> <br />a-~~ <br />