00740nam a22002297a 450000500170000001000150001702000260003202000230005803500130008103700130009408200080010710000230011524501030013825000110024126000440025227000460029630000370034250000520037965000310043165000280046270000200049020140502103129.0  aENG-109651  c599.00a9781259098499  c599.00a1259098494  aEN-93184  bDBAD/PUB  a628  aDavis, Mackenzie L00aPrinciples of environmental engineering and science /cby Mackenzie L. Davis [and] Susan J. Masten  a2nd ed  aNew DelhibMcGraw Hill Education c2013  aP-24, Green Park Extn.bNew Delhie110016  axv,784p. :c25cm(pbk)bill.,maps  a Includes bibliographical references and index.  aEnvironmental engineering.  aEnvironmental sciences.  aMasten, Susan J