| Description | By T.W. Brandon, B.Sc., F.R.I.C., Chief Chemist and Bacteriologist, Sheffield Corporation Waterworks and B. Rhodes, P.A.I.W.E., Chief Chemist and Bacteriologist, North Derbyshire Water Board. Advance copy of paper to be presented at the Autumn meeting of the Society for Water Treatment and Examination, to be held at Brighton, 16 - 18 Oct 1963. |