1. EGGG 167 CEE Lecture 2 Environmental Engineering and Risk Analysis

2. Environmental Engineering  Work in Environmental Consulting Firms, Government Agencies, and Industry  Ensure That We Have Clean Air and Water  Study, Evaluate, and Solve Air, Water, and Land Pollution Problems

6. EPA Regions

7. Environmental Engineering  Water Quality  Water and Wastewater Treatment  Solid and Hazardous Waste Management  Air Quality  Environmental Chemistry and Toxicology  Environmental Law

8. Exposure Atmosferic Deposition Erosion & Runoff Untreated discharges Predicted Exposure Concentration (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

9. Effects: Laboratory Toxicity Tests algaeinvertebratesfish crustacean insect Aquatic ecosystem Sediment ecosystem Predicted No Effect Concentration (PNEC) Safe environmental concentration P. Van Sprang - Ni-BLM workshop, Ghent, 13-10-2004

10. Environmental Science and Technology

13. 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.

14. Sediment Dredging

15. Sediment Capping

16. Potomac Estuary Algal Bloom