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1 <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 LCD ICu~ NOEC~ LOECS <br />Fathead minnow >100°k - 100% >100% <br />Daphnia magna >100% 100% >100% <br />• EFFLUENT AND LABORATORY WATER CHEMISTRIES <br /> <br />PARAMETER EFFLUENT MEDIUM HARD <br />LAB WATER HARD LAB <br />WATER <br />Dissolved Oxygen (mg/L) 8.4 8.0 8.7 <br />pH (Standard Units) 7.7 7.8 8.0 <br />Hardness (mg/L CaCO,) 2010 115 160 <br />Alkalinity (mglL CaC03) 430 75 105 <br />Ammonia (mg/L as N) X1.0 <1.0 <1.0 <br />Residual Chlorine (mg/L) <p,1 <0.1 <0.1 <br />Conductivity (µmhos/cm) 3190 390 400 <br />• FATHEAD MINNOW AND DAPHN/A MAGNA SURVIVAL DATA <br />CONCENTRATION ORGANISMS EXPOSED <br />DM FH MORTALITIES <br />DM FH %MORTALITY <br />DM FH <br />100% 20 40 1 0 5.00 0.00 <br />75% 20 40 0 0 0.00 0.00 <br />50% 20 40 0 0 0.00 0.00 <br />25% 20 40 0 0 0.00 0.00 <br />12.5% 20 40 0 0 0.00 0.00 <br />Control 20 40 0 0 0.00 0.00 <br />• <br />~ Inhibition Concentration, at 25% Reduction <br />° No Observed Effect Concentration <br />s Lowest Observed Effect Concentration <br />3 <br />