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035   $a(OCoLC)56359727
035   $a(EXLCZ)995470000002418802
100   $a20040826d2002      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aWastewater technology fact sheet$b[electronic resource] $erock media polishing filter for lagoons
210  1$a[Washington, D.C.] :$cU.S. Environmental Protection Agency, Office of Water,$d[2002]
215   $a1 online resource (4 unnumbered pages)
300   $aTitle from title screen (viewed Aug. 26, 2004).
300   $a"September 2002."
300   $a"EPA 832-F-02-023."
320   $aIncludes bibliographical references.
517   $aWastewater technology fact sheet 
606   $aSewage$xPurification$xFiltration$zUnited States
615  0$aSewage$xPurification$xFiltration
712 02$aUnited States.$bEnvironmental Protection Agency.$bOffice of Water.
801  0$bGPO
801  1$bGPO
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910701427803321
996   $aWastewater technology fact sheet$93479932
997   $aUNINA