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TABLE 24 • <br />Colorado Department of Heelth Receiving Stream Standards <br />Yampa River, Segment 13B <br /> Standard Actual <br /> Used Standard <br />pH (S.U.) 6.5-9.0 same <br />Ammonia es Nitrogen (un-ionized) mg/l 0.02 TVS(A) <br /> 0.02(C) <br /> <br />Arsenic, total recoverable ug/l 50.0 same <br />Boron, dissolved ug/l 750.0 same <br />Cadmium, total recoverable ug/l• [.0 TVS <br />Chloride mg/l 250.0 same <br />Copper, total recoverable ug/l 22.0 same <br />Iron, total mg/l 1.0 same <br />e <br />lead, total recoverable ug/t <br />25.0 <br />TVS <br />Manganese, total mg/l 1.0 same <br />Mercury, total recoverable ug/le 0.07 same <br /> <br />Nickel, total recoverable ug/l 700.0 TVS <br />Nitrite es Nitrogen mg/l 0.05 same <br />Nitrate as Nitrogen mg/l 10.0 same <br /> <br />Selenium, total recoverable ug/l 10.0 same <br />Sulfate mg/l 250.0 same <br />Sulfide (un-ionized) mg/l as H <br />S 0.002 same <br />~ <br />Si tver, total recoverable ug/l 0.1 same <br />Zinc, total recoverable mg/l 0.05 TVS <br />CDON standard is the "total" type, PCC has these parameters analyzed as "total <br />recoverable" <br />A = acute (one-day toxicity) <br />C = chronic (thirty-day toxicity) <br />TVS = table value standard <br />• <br />A-42 <br />