LEADER 01745nam  2200445I  450 
001 9910705844103321
005 20170828161329.0
035   $a(CKB)5470000002453977
035   $a(OCoLC)997732293
035   $a(EXLCZ)995470000002453977
100   $a20170801j197401    ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aOxygen activated-sludge wastewater treatment systems $edesign criteria and operating experience /$fprepared by E.A. Wilcox, and Ariel Thomas
205   $aRevised January 1974.
210  1$a[Washington, D.C.] :$cEnvironmental Protection Agency, Technology Transfer,$dJanuary 1974.
215   $a1 online resource (iii, 46 pages) $cillustrations
225 1 $aEPA Technology Transfer Seminar Publication
300   $a"EPA-625/4-73-003A."
300   $a"January 1974."
320   $aIncludes bibliographical references (page 41).
517   $aOxygen activated-sludge wastewater treatment systems 
606   $aSewage$xPurification$xActivated sludge process
606   $aSewage disposal plants$xDesign and construction
606   $aSewage disposal plants$xEfficiency
615  0$aSewage$xPurification$xActivated sludge process.
615  0$aSewage disposal plants$xDesign and construction.
615  0$aSewage disposal plants$xEfficiency.
700   $aWilcox$b Edward A.$01423014
702   $aThomas$b Ariel
712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Technology Transfer,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910705844103321
996   $aOxygen activated-sludge wastewater treatment systems$93549104
997   $aUNINA