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RECORD NUMBER: 136 OF 158

OLS Field Name OLS Field Data
Main Title Tertiary Treatment with a Controlled Ecological System.
CORP Author Las Virgenes Municipal Water District, Calabasas, Calif.
Year Published 1973
Report Number EPA-16080-FBH; 06524,; 660/2-73-022
Stock Number PB-231 261
Additional Subjects Clarification ; Effluents ; Sewage treatment ; Lagoons(Ponds) ; Water reclamation ; Chemical removal(Sewage treatment) ; Algae ; Daphnia ; Feasibility ; Tertiary sewage treatment ; Water pollution control
Holdings
Library Call Number Additional Info Location Last
Modified
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Status
NTIS  PB-231 261 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/23/1988
Collation 52p
Abstract A two-stage pond system was operated as a process for polishing secondary sewage effluent. The shallow first stage was an oxidation pond in which a heavy growth of algae was permitted to develop. In the second stage a population of Daphnia pulex consumed the algae. Detention times were about 10 days in each stage. Chemical and biological monitoring were carried out over a year's period to determine feasibility of using the process to produce recreational-grade water and reduce algae growth potential. (Modified author abstract)
Availability Notes Paper copy available GPO $0.90 as EP1.23:660/2-73-022.
PUB Date Free Form Dec 73,
Category Codes 13B; 68D
NTIS Prices PC-GPO/MF A01-NTIS
Document Type NT
Cataloging Source NTIS/MT
Control Number 326588287
Origin NTIS
Type CAT