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Titolo:
A probabilistic method for estimating monitoring point density for containment system leak detection
Autore:
Ross, RR; Vieux, BE;
Indirizzi:
US EPA, Off Res & Dev, Natl Risk Management Res Lab, Subsurface Protect & Remediat Div, Ada, OK 74820 USA US EPA Ada OK USA 74820 surface Protect & Remediat Div, Ada, OK 74820 USA Univ Oklahoma, Sch Civil Engn & Environm Sci, Norman, OK 73019 USA Univ Oklahoma Norman OK USA 73019 gn & Environm Sci, Norman, OK 73019 USA
Titolo Testata:
GROUND WATER
fascicolo: 4, volume: 38, anno: 2000,
pagine: 533 - 540
SICI:
0017-467X(200007/08)38:4<533:APMFEM>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Engineering, Computing & Technology
Citazioni:
23
Recensione:
Indirizzi per estratti:
Indirizzo: Ross, RR US EPA, Off Res & Dev, Natl Risk Management Res Lab, Subsurface Protect & Remediat Div, POB 1198, Ada, OK 74820 USA US EPA POB 1198 Ada OK USA 74820 Div, POB 1198, Ada, OK 74820 USA
Citazione:
R.R. Ross e B.E. Vieux, "A probabilistic method for estimating monitoring point density for containment system leak detection", GROUND WATE, 38(4), 2000, pp. 533-540

Abstract

The use of physical and hydraulic containment systems for the isolation ofcontaminated ground water and aquifer materials associated with hazardous waste sites has increased during the last decade, The existing methodologies for monitoring and evaluating leakage from hazardous waste containment systems rely primarily on limited hydraulic head data. The number of hydraulic head monitoring points available at most sites employing physical containment systems may be insufficient to identify significant leaks from the systems. A probabilistic approach for evaluating the performance of containment systems, based on estimations of apparent leakage rates, Is used to introduce a methodology for determining the minimum number of monitoring points necessary to Identify the hydraulic signature of leakage from a containmentsystem. The probabilistic method is based on the principles of geometric probability, The method is demonstrated using three-dimensional ground waterflow modeling results of leakage through a vertical barrier. The results indicate that the monitoring point spacing used at many hazardous waste sites likely is inadequate to detect the hydraulic signatures of all but the largest leaks.

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Documento generato il 03/07/20 alle ore 00:09:44