Laserfiche WebLink
Results <br />• WHOLE EFFLUENT TOXICITY BIOASSAY <br />The following table highlights statistical endpoints for each species tested: <br />SPECIES PARAMETER IC25 NOEC3 LOEC4 <br />Fathead minnow Survival >100 % 100% >100 % <br />Fathead minnow Growth >100 % 100% >100 % <br />Ceriodaphnia dubia Survival >100% 100% >100 % <br />Ceriodaphnia dubia Reproduction 88.5 100% >100 % <br />• EFFLUENT AND LABORATORY WATER CHEMISTRIES <br />PARAMETER EFFLUENT <br />KIT 1 KIT 2 KIT 3 LABORATORY <br />WATER <br />Dissolved Oxygen (mg/L) 9.1 7.3 7.8 10.7 <br />pH (Standard Units) 7.9 7.8 7.8 7.7 <br />Hardness (mg/L CaC03) 1735 1840 1828 89 <br />Alkalinity (mg/L CaC03) 158 437 330 154 <br />Ammonia (mg/L as N) <0.1 <0.1 <0.1 <0.1 <br />Residual Chlorine (mg/L) <0.1 <0.1 <0.1 <0.1 <br />Conductivity (µmhos/cm) 3480 7740 3490 317 <br />• F. MINNOW AND C. DUB/A SURVIVAL, GROWTH & REPRODUCTION DATA <br />CONCENTRATION # EXPOSED <br />CD FH SURVIVAL % <br />CD FH MEAN AVERAGE <br /># OF YOUNG MEAN AVERAGE <br />WEIGHT (mg) <br />Control 10 40 100 85 21.4 0.256 <br />12.5% 10 40 100 82.5 22.8 0.259 <br />25% 10 40 100 92.5 29.0 0.281 <br />50% 10 40 100 77.5 22.4 0.243 <br />75% 10 40 100 72.5 21.1 0.259 <br />100% 10 40 100 70 15.9 0.275 <br />3 No Observed Effect Concentration <br />4 Lowest Observed Effect Concentration