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A-Iq <br />TAHLE 5 <br />Colorado -epaztment of Health <br />Ground Water Agxicul tural Standards <br />Aluminum, mg/1 A 5. 0 <br />Arsenic, uq/1 100. 0 <br />Boron, ug/1 B 750. 0 <br />Cadmium, ug/1 10 .0 <br />C <br />Chloride, mg/1 <br />100 <br />.0 <br />Chromium, ug/1 100 .0 <br />Copper, ug/1 200 .0 <br />Fluoride, aig/1 2 .0 <br />Iron, mq/1 5 .0 <br />Lead, ug/1 A 100 .0 <br />Manganese, mg/1 0.2 <br />A <br />Mercury, ug/1 ~ 10.0 <br />Molybdenum, uq/1 O 100.0 <br />Niekel, ug/1 200.0 <br />Nitrate/Nitrite ae N, mq(1 A 100.0 <br />Nitrite as N, mq/1 A 10.0 <br />pH (S.U.) 6.5-8.5 <br />Selenium, ug/1 20.0 <br />Solida, dissol~+ed, mg/1 E 1000.0 <br />Solids, dieaolved, mg/1 F 5000.0 <br />Sulfate, C <br />mg/1 200.0 <br />Zinc, mg/1 2.0 <br />A CDOH livestock standard, without this or any other footnote indicates a CDOH <br />irrigation standard. Irrigation atandasd for lead is 5000 uq/1. <br />B : CDOH standard is set to protect senai five species. Standnrd for most species found in <br />Routt County is 5000 ug/1. <br />C California State Water Resources Control Boazd, 1963 (irrigation) <br />D Old CDOH ground water irrigation atandazd no longer in affect <br />E USEPA, Quality Criteria for Water, 1976 (irrigation) <br />F Wyoming Depaztment of Environmental Quality, 19H0 (livestock) <br /> <br /> <br /> <br />