eggg 167 cee lecture 2 environmental engineering and risk analysis
DESCRIPTION
EGGG 167 CEE Lecture 2 Environmental Engineering and Risk Analysis. EPA Regions. Environmental Engineering. Water Quality Water and Wastewater Treatment Solid and Hazardous Waste Management Air Quality Environmental Chemistry and Toxicology Environmental Law. Erosion & Runoff. - PowerPoint PPT PresentationTRANSCRIPT
Environmental Engineering
Water Quality
Water and Wastewater Treatment
Solid and Hazardous Waste Management
Air Quality
Environmental Chemistry and Toxicology
Environmental Law
ExposureAtmosfericDeposition
Erosion& Runoff
Untreated discharges
Predicted ExposureConcentration
(PEC)
Effects
Predicted No Effect Concentration (PNEC)
WWTP
P. Van Sprang - Ni-BLM workshop, Ghent, 13-10-2004
Lab- and field studies(ecotoxicity tests)
Aquatic Risk Assessment
Effects: Laboratory Toxicity Tests
algae invertebrates fish
crustacean insect
• Aquatic ecosystem
• Sediment ecosystem
Predicted No Effect Concentration (PNEC)
Safe environmental concentration
P. Van Sprang - Ni-BLM workshop, Ghent, 13-10-2004
Di Toro, D. M., Mahony, J. D., Hansen, D. J., Scott, K. J., Carlson, A. R., & Ankley, G. T. (1992). Acid volatile sulfide predicts the acute toxicity of cadmium and nickel in sediments. Environ. Sci. Tech., 26(1), 96-101.