Following completion of Chapter 10, students should be able to:

1. Explain the principles of the activated sludge process and the factors that influence and control the process.
2. Inspect a new activated sludge facility for proper installation.
3. Place a new activated sludge process into service.
4. Schedule and conduct operation and maintenance duties.
5. Collect samples, interpret lab results, and make appropriate adjustments in treatment processes.
6. Recognize factors that indicate an activated sludge process is not performing properly, identify the source of the problem, and take corrective action.
7. Perform their job duties in a safe manner.
8. Determine aerator loadings and understand the application of different loading guidelines.
9. Maintain records for an activated sludge plant.
10. Review plans and specifications for an activated sludge plant.

The main purpose of this chapter is to teach operators how to safely start up, operate, shut down, and maintain package activated sludge plants and oxidation ditches.

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