00446nam a2200157Ia 4500003000400000005001700004008004100021020001400062082001500076100003300091245004600124260005300170300002000223650002000243650002500263OSt20250303151113.0250123s9999||||xx |||||||||||||| ||und||  a117505129  a628.3bANA  aDepartment of the Environmet 0aAnalysis of Raw, Potable and Waste Waters  aLondon :bHer Majesty's Stationery Office,c1972  ax, 305p.;c25cm 0aWater Pollution 0aWaste Water Analysis