1. Safely start up, operate, maintain, and shut down coagulation and flocculation processes, including ballasted flocculation.
2. Select appropriate chemicals and dosages and adjust chemical feed rates using data from jar tests and other laboratory tests performed on water samples collected from coagulation and flocculation basins.
3. Use process data and observations to adjust process variables, including the speed of flash mixers and flocculators, to obtain optimal process performance.

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