Technical problems of river authorities and sewage disposal authorities in laying down and complying with limits of quality for effluents more restrictive than those of the royal commission 
by Ministry of Housing and Local Government 
 - London  Her Majestry's  1966 
 - 19p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water -- Pollution -- Great Britain<br/>Sewage disposal -- Great Britain
<br/><br/><label>Dewey Class. No.: </label>X81x42 Un3