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A- ll <br />• TABLE 5 <br /> CDOH Ground Water Agricultural Use Standards <br /> Aluminum, mg/1 a 5.0 <br /> Arsenic, ug/1 100.0 <br /> Boron, ug/1 a 750.0 <br /> Cadmium, ug/1 10.0 <br /> Chromium, ug/1 100.0 <br /> Copper, ug/1 200.0 <br /> Fluoride, mg/1 2.0 <br /> iron, mg/1 5.0 <br /> Lead, ug/1 x 100.0 <br /> Manganese, mg/1 0.2 <br /> Mercury, ug/1 " 10.0 <br /> Nickel, ug/1 200.0 <br /> Nitrate/Nitrite as N, mg/1 " 100.0 <br /> Nitrite as N, mg/1 " 10.0 <br /> pH (S.U.) 6.5-5.5 <br /> Selenium, ug/1 20.0 <br /> Zinc, mg/1 2.0 <br />A CDOH livestock standard, without this footnote indicates a CDOH <br />irrigation standard. Irrigation standard for lead is 5000 ug/1. <br />8 CDOH standard is set to protect plant sensitive species. Standard <br />£or most species found in Routt County is 5000 ug/1. <br /> <br />