Please urgent...
Extracted text: After graduation, you worked in a wastewater treatment plant (WWTP). Your facility feeds chlorine at a rate of 200 gallons per day to the contact tank. The average flow to this plant is 3 MGD. However, due to filamentous bacteria, recycled activated sludge line should be chlorinated using 20 gallons/day. You also figured out that about 10 gallons/day of chlorine fed to the headworks should be used for odor control. If you work for 8 hours daily, estimate the amount of chlorine that will be used in 3 hours? * O 50 gallons 25 gallons O 67 gallons O 230 gallons