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• <br />TABLE 8 <br />Colorado Department of Health <br />Ground Uater Agricultural Standards <br /> <br />Aluminum, Dissolved mg/l 5.0 <br />Arsenic, Dissolved ug/l 100.0 <br />Boron, Dissolved ug/l 750.0 <br />Cadmium, Dissolved uB/l 10.0 <br />Chromium, Dissolved ug/l 100.0 <br />Copper, Dissolved ug/L 200.0 <br />Fluoride, mg/l 2.0 <br />Iron, Dissolved mg/t 5.0 <br />Lead, Dissolved ug/l 100.0 <br />Manganese, Dissolved mg/L 0.2 <br /> <br />Mercury, Dissolved ug/l 10.0 <br />Molybdenum, Dissolved ug/t 100.0 <br />Nickel, Dissolved ug/l 200.0 <br />Nitrite Nitrogen-N mg/L 10.0 <br />• e <br />N03•N02 Nitrogen-N mg/l 100.0 <br />Selenium, Dissolved ug/l 20.0 <br />Zinc, Dissolved mg/l 2.0 <br />px (S.U.) 6.5-8.5 <br />.Livestock standard (all others are irrigation standards) <br /> <br />A-15 <br />