00964nam a2200277Ia 45000010005000000030005000050050017000100080041000270100017000680350020000850400013001050410008001180740012001260860018001380880021001562450098001772600112002753000020003875000033004075000018004405000024004585040049004826500041005317100062005727400052006344813BIBL20160527184116.0900703s1990    ohua     b   f00000 eng d  agp 90016296   a(OCoLC)21957723  aGPOcGPO0 aspa  a473-C-10 aEP 7.2:P 96/3  aEPA/625/5-90/02500aEnvironmental pollution control alternativesbdrinking water treatment for small communities.0 aCincinnati, OHbU.S. Environmental Protection Agency, Center for Environmental Research Informationc[1990]  avi, 82 p.bill.  aShipping list no.: 90-389-P.  a"April 1990."  a"EPA/625/5-90/025."  aIncludes bibliographical references (p. 61). 0aDrinking waterxPurification.2Local20aCenter for Environmental Research Information U.S.2Local01aDrinking water treatment for small communities.