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RECORD NUMBER: 9 OF 10

Main Title Predicting Water Quality in Distribution Systems.
Author Clark, R. M. ; Grayman, W. M. ; Males, R. M. ; Coyle, J. D. ;
CORP Author Environmental Protection Agency, Cincinnati, OH. Water Engineering Research Lab. ;RMM Technical Services, Inc., Cincinnati, OH. ;North Penn Water Authority, Lansdale, PA.
Year Published 1986
Report Number EPA/600/D-86/230;
Stock Number PB87-104618
Additional Subjects Distribution systems ; Water distribution ; Water pollution ; Deterioration ; Coliform bacteria ; Microorganisms ; Growth ; Mathematical models ; Water pipes ; Water flow ; Hydraulic models ; Steady state ; Algorithms ;
Holdings
Library Call Number Additional Info Location Last
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Status
NTIS  PB87-104618 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 31p
Abstract The quality of a public water supply although acceptable when it leaves the treatment plant, may deteriorate before it reaches the user. Deterioration may be caused by either chemical or biological transformations or by a loss of system integrity. There have been a growing number of coliform regrowth and biofilm formation situations reported in distribution systems. A water quality prediction model has been developed in cooperation with the North Penn Water Authority. The cooperative agreement has focused on the hydraulic behavior of the system, examination of historical water quality sampling data, and steady-state modeling of water quality within the distribution system.
Supplementary Notes Prepared in cooperation with RMM Technical Services, Inc., Cincinnati, OH., and North Penn Water Authority, Lansdale, PA.
PUB Date Free Form Sep 86
Category Codes 68D; 50B
NTIS Prices PC A03/MF A01
Primary Description 600/14
Document Type NT
Cataloging Source NTIS/MT
Control Number 635314905
Origin NTIS
Type CAT