No Spacing Beadle Styles out deep well is to be disinfected with a ve percent sodium hypochlorite 4! top of the well has a 12-inch casing and the bottom 50 feet has an 8inch g nd Well screen. The water level in the well is at 80 feet from the top of the Inca this is a new well, the desired chlorine concentration in the initial dose ' be 100mg] L. How many imperial gallons of five percent sodium hypochlorite ion will be needed? Total: [4 marks