. a river has a tds of 400 mg/l. a factory wants to discharge a brine (concentrated salt solution) with 10,000 mg/l tds into the river. the regional water quality control board says that the tds of the river must not exceed 600 mg/l to protect irrigation uses downstream. if the river has a flow of 100 m3/s, what flowrate of brine can the factory discharge? (5 pts
