00569cam a22001217a 4500008004000000082001500040245023900055260003300294300000800327650004000335650003700375700003500412180718b1966   xxu||||| |||| 00| 0 eng d  aX81x42 Un3  aTechnical 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 commissioncby Ministry of Housing and Local Government  aLondonbHer Majestry'sc1966  a19p  aWater -- Pollution -- Great Britain  aSewage disposal -- Great Britain  aU.k. Ministry of Housing and L