LEADER 01021oam  2200265z- 450 
001 9911006644103321
005 20031117102526.0
010   $a1-5231-0286-1
035   $a(CKB)3710000000888773
035   $a(EXLCZ)993710000000888773
100   $a20181008c2002uuuu  -u-         -
101 0 $aeng
200 00$aActivated sludge /$fprepared by Activated Sludge Task Force of the Water Environment Federation under the direction of the Municipal Subcommittee of the Technical Practice Committee
210   $cWEF
311   $a1-57278-173-4 
517   $aActivated Sludge - WEF Manual of Practice No. OM-9 
606   $aSewage$xPurification$xActivated sludge process$vHandbooks, manuals, etc
615  0$aSewage$xPurification$xActivated sludge process
676   $a628.3/54
712 02$aWater Environment Federation.$bActivated Sludge Task Force.
712 02$aWater Environment Federation.$bMunicipal Subcommittee.
906   $aBOOK
912   $a9911006644103321
996   $aActivated sludge$94046924
997   $aUNINA