Select the primary and secondary disinfectants for the town of Hard Times, which uses th...

Select the primary and secondary disinfectants for the town of Hard Times, which uses the Verde River for its water supply. The design flow rate is 30,600 m³/d. The water is treated by conventional coagulation, sedimentation, and filtration. The time for water to reach the most distant customer at the minimum demand flow rate is 62 hours. The Verde River water analysis is shown below.