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A- ll <br />ii <br /> <br />I <br />TABLE 5 <br />Colorado Department of Sealth <br />Ground Water Agricultural standards <br />Aluminum, mg/1 A <br />Arsenic, ug/1 <br />B <br />Boron, ug/1 <br />5.0 <br />100.0 <br />750.0 <br />Cadmium, ug/1 <br />C <br />Chloride, mg/1 <br />Chromium, ug/1 <br />Copper, ug/1 <br />Fluoride, mg/1 <br />Iron, mg/1 <br />Lead, ug/1 A <br />Manganese, mg/1 <br />A <br />Mercury, ug/1 <br />Molybdenum, ug/1 D <br />Nickel, ug/1 <br />Nitrate/Nitrite as N, mg/1 A <br />A <br />Nitrite ae N, mg/1 <br />pe (S.U.) <br />Selenium, ug/1 <br />Solids, dissolved, mq/1 E <br />Solids, dissolved, mq/1 F <br />Sulfate, mg/1 C <br />Zinc, mg/1 <br />10.0 <br />100.0 <br />100.0 <br />200.0 <br />2.0 <br />5.0 <br />100.0 <br />0.2 <br />10.0 <br />100.0 <br />200.0 <br />100.0 <br />10.0 <br />6.5-8.5 <br />20.0 <br />1000.0 <br />5000.0 <br />200.0 <br />2.0 <br />A CDOH livestock standard, without this or any other footnote indicates a CDOH <br />irrigation standard. Irrigation standard for lead is 5000 ug/1. <br />8 CDOH standard is set to protect sensitive species. Standard for moat species Found in <br />Routt County is 5000 ug/1. <br />C California State Water Resources Control eoazd, 1963 (irrigation) <br />D :Old CDOH ground water irrigation standazd no longer in effect <br />E USEPA, Quality Criteria for Water, 1976 (irrigation) <br />F 'Wyoming Department of Environmental Quality, 1980 (livestock) <br />