Record Display for the EPA National Library Catalog

RECORD NUMBER: 74 OF 84

Main Title Upgrading existing wastewater treatment plants : case histories.
Author Walrath, David.
Other Authors
Author Title of a Work
Walrath, David.
CORP Author United States. Environmental Protection Agency.
Publisher U.S. Environmental Protection Agency, Technology transfer,
Year Published 1973
Report Number EPA 625-4-73-005a; EPA 625/4-77-005
Stock Number PB-259 446
OCLC Number 05124169
Subjects Trickling filters ; Water treatment plants ; Sewage disposal plants
Additional Subjects Trickling filters ; Sewage treatment ; Industrial waste treatment ; Activated sludge process ; Trickling filters ; Upgrading ; Performance ; Biochemical oxygen demand
Internet Access
Description Access URL
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=9100TKXT.PDF
Holdings
Library Call Number Additional Info Location Last
Modified
Checkout
Status
EHAM  TD153.U583U65 Region 1 Library/Boston,MA 04/29/2016
EJBD  EPA 625-4-73-005a Headquarters Library/Washington,DC 04/15/2015
ELBD ARCHIVE EPA 625-4-73-005a Received from HQ AWBERC Library/Cincinnati,OH 10/04/2023
ELBD  EPA 625-4-73-005a AWBERC Library/Cincinnati,OH 03/09/2020
ERAD  EPA 625/4-77-005 A & B Region 9 Library/San Francisco,CA 07/17/2012
ESAD  EPA 625-4-73-005A Region 10 Library/Seattle,WA 03/23/2010
NTIS  PB-259 446 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation iii, 20 pages : illustrations ; 28 cm.
Abstract
The publication presents case histories relating to upgrading the performance of activated sludge and trickling filter plants through modification to the biological processes.