00666nam a2200157 a 4500003000200000005001700002008004100019050003000060100002100090245016500111260009000276300004000366504004100406650003000447650003100477020250424122000.0050808s19uu    xx            00    eng d  aPHS TD 430.C66b.M37 2005  aMarcelo, Conrad.  aComparative study on the bacteriological, chemical and organoleptic analyses of water samples from sedimentary, countertop and faucet filters /cConrad Marcelo.  aLas Piñas City, Philippines :bSouthville International School and Colleges,c2005.  a53 pages :billustrations ;c28 cm.  aIncludes bibliographical references.  aDrinking waterxAnalysis.  aWater filtersxEvaluation.