Laserfiche WebLink
~GS~ <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~ LOEC~ <br />Fathead minnow >100 % 100 % >100% <br />EFFLUENT AND LABORATORY WATER CHEMISTRIES <br />PARAMETER EFFLUENT RECONSTITUTED <br />LAB H2O <br />Dissolved Oxygen (mg/L) 6.9 7.5 <br />pH (Standard Units) 8.3 82 <br />Hardness (mg/L CaC03) 1930 85 <br />Alkalinity (mg/L CaC03) 315 55 <br />Ammonia (mg/L as N) <1,0 <1.0 <br />Residual Chlorine (mg/L) 0.15 <0.1 <br />Conductivity (µmhos/cm) 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 />' No Observed Effect Concentration <br />° Lowest Observed Effect Concentration <br />F 526 <br />