§ Mr. Laurance Reedasked the Secretary of State for the Environment what is the annual tonnage of brine effluent that will be discharged to the sea from the Ipswich desalting project on the assumption that the plant produces a million gallons of fresh water a day.
§ Mr. Peter WalkerAbout 1.6 million tons containing salt at a concentration of about 7 per cent. This compares with the present estimated annual flow in the estuary of 36,500 million tons containing salt at a concentration of about 3.5 per cent.