§ Mr. Wallasked the Minister of Housing and Local Government what study is being made of the disposal of trade effluent; and if he will make a statement.
§ Mr. MacCollThe Department's technical officers keep the whole subject under review; the Water Pollution Research Laboratory of the Ministry of Technology investigate particular problems in the treatment of trade effluents, from which 221W they are often able to draw valuable general conclusions; and various branches of industry undertake their own research.