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<br />1 <br />Table Al. Summary of mortality of razorback sucker exposed to dissolved selenium for 96 <br />hours. Twenty animals per replicate, four replicates per exposure concentration. Concentrations <br />are mean (standard error) measured on one occasion from replicate exposure beakers (n = 3). <br /> Cumulative mortality per replicate <br />Measured selenium <br />concentration (mg/L) Replicate 24 hours 48 hours 72 hours 96 hours <br />210a a 20 <br />210 b 20 <br />210 c 20 <br />210 d 20 <br />107(3.33) a 6 8 18 20 <br />107 b 4 8 17 19 <br />107 c 3 8 18 20 <br />107 d 6 7 18 19 <br />53.Oa a 0 1 10 17 <br />53.0 b 0 2 13 14 <br />53.0 c 0 1 8 13 <br />53.0 d 0 0 6 14 <br />27.0(.333) a 0 0 1 3 <br />27.0 b 0 0 2 4 <br />27.0 c 0 0 3 4 <br />27.0 d 0 0 0 2 <br />13.Oa a 0 0 0 0 <br />13.0 b 0 0 0 0 <br />13.0 c 0 0 0 1 <br />13.0 d 0 0 0 1 <br />.00530(.000142)b a 0 0 0 1 <br />.00530 b 0 0 0 0 <br />.00530 c 0 0 0 0 <br />.00530 d 0 0 0 0 <br />aMeasured concentrations were identical, consequently standard error could not be estimated <br />bControl. <br />29 <br />