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<br />. <br /> <br />2020 <br /> <br />. <br /> <br />dilutional effects of Lake Creek tend to decrease the occurence of acute aquatic-life standard exceedances by <br /> <br />dissolved cadmium and dissolved zinc concentrations at downstream sites. Conversely, the chronic toxicity of <br /> <br />cadmium and zinc to aquatic species that are susceptible to bioaccumulation of cadmium and zinc might be <br /> <br />increased downstream from Lake Creek due to the larger percentage of dissolved Cd and Zn that exists as the more <br /> <br /> <br />toxic free cations. With respect to aquatic-life toxicity, it is unclear if the dilutional effects of inflow from Lake <br /> <br /> <br />Creek offset the effect that Lake Creek has on Cd and Zn speciation at Grnnite and Buena Vista. These topics of <br /> <br /> <br />acute and chronic aquatic-life toxicities are beyond the scope of this study, but should be considered for future <br />research. <br /> <br />. <br /> <br />19 <br />