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<br />Results <br />. WHOLE EFFLUENT TOXICITY BIOASSAY <br />The effluent sample did not indicate acute toxicity towards Pimephales promelas and Daphnia <br />magna survival. The following table highlights statistical endpoints for each species tested: <br />SPECIES LCS° ICZS' NOEC~ LOECS <br />Fathead minnow >100% - 100°l0 >100% <br />Daphnia magna >100% 100% >100% <br />. EFFLUENT AND LABORATORY WATER CHEMISTRIES <br />PARAMETER EFFLUENT MEDIUM HARD <br />LAB WATER HARD LAB <br />WATER <br />Dissolved Oxygen (mglL) 12.6 8.6 8.2 <br />pH (Standard Units) 7.7 S.1 8.4 <br />Hardness (mg/L CaC03) 1355 130 235 <br />Alkalinity (mg/L CaC03) 295 80 150 <br />Ammonia (mgiL as N) <1.0 <1.0 <1.0 <br />Residual Chlorine (mg/L) <0.1 <0.1 <0.1 <br />Conductivity (µmhosicm) 2550 450 730 <br />. FATHEAD MINNOW AND DAPHNIA MAGNA SURVIVAL DATA <br />CONCENTRATION ORGANISMS EXPOSED <br />DM FH MORTALITIES <br />DM FH % MORTALITY <br />DM FH <br />100% 20 40 1 1 5.00 2.50 <br />75% 20 40 0 4 0.00 10.0 <br />50% 20 40 0 0 0.00 0.00 <br />25% 20 40 0 3 0.00 7.50 <br />12.5% 20 40 0 1 0.00 2.50 <br />Control 20 40 0 0 0.00 0.00 <br />' Inhibition Concentration at 25°J° Reduction <br />° No Observed Effect Concentration <br />e Lowest Observed Effect Concentration <br />F-sz° <br />