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•~~ <br />Results <br />. WHOLE EFFLUENT TOXICITY BIOASSAY <br />The effluent sample did not indicate acute toxicity towards Pimephales promelas survival. The <br />following table highlights statistical endpoints: <br />SPECIES LCD NOEC' LOEC4 <br />Fathead minnow >100 % 100 °k >100% <br /> <br />. EFFLUENT AND LABORATORY WATER GHEMISTRIES <br />PARAMETER EFFLUENT RECONSTITUTED <br />LAB H2O <br />Dissolved Oxygen (mg/L) 6.9 7.5 <br />pH (Standard Units) 8.3 8.2 <br />Hardness (mg/L CaC03) 1930 85 <br />Alkalinity (mg/L CaC03) 315 55 <br />Ammonia (mg/L as N) <1.p <1.0 <br />Residual Chlorine (mg/L) 0.15 <0.1 <br />Conductivity (µmhoslcm) 3000 308 <br />. FATHEAD MINNOW SURVIVAL DATA <br />Concentration Organisms Exposed <br />Fathead Minnow Mortalities <br />Fathead Minnow % Survival <br />Fathead Minnow <br />Control 40 0 100 <br />12.5% 40 1 97.5 <br />25% 40 1 97.5 <br />50% 40 5 87.5 <br />75% 40 5 87.5 <br />100% 40 3 92.5 <br />• <br />a No Observed Effect Concentration <br />° Lowest Observed Effect Concentration <br />