1. Explain what makes water hard and the advantages of softening.
2. Operate and maintain the processes used to soften water. Start up and shut down water softening units. Blend softened waters with unsoftened waters for delivery to consumers.
3. Safely handle softening chemicals, determine proper dosages using jar tests and calculations, and prepare chemical doses to soften water.
4. Dispose of process sludges and brines.
5. Maintain accurate softening records.

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