00810nam a2200253Ia 4500001000700000003000600007005001700013008004100030010001500071020002700086040001300113042000800126050002100134082001400155100003000169245010400199260005100303300003100354504005100385650002900436650003300465650002900498700002900527251415OCoLC20210416181554.0990415s1999    mdua     b    001 0 eng    a 99023551   a0865876606 (hardcover)  aDLCcDLC  apcc00aTD365b.S64 199900a628.12211 aSpellman, Frank R.2Local10aWater pollution control technologybconcepts and applicationscFrank R. Spellman, Nancy E. Whiting.  aRockville, Md.bGovernement Institutescc1999.  axxiv, 401 p.bill.c24 cm.  aIncludes bibliographical references and index. 0aWater quality management 0aSewagexPurification.2Local 0aWaterxPollution.2Local1 aWhiting, Nancy E.2Local