Results 161 to 170 of about 2,474 (192)
QMRA in the Drinking Water Distribution System [PDF]
Procedia Engineering, 2014 AbstractA Quantitative Microbial Risk Assessment (QMRA) model was developed for contamination events after mains repairs. The sensitivity analysis showed that the contamination concentration is the most important parameter, next to the pathogen dose response relation. The time of opening valves and of consumption are also important parameters.
Mirjam Blokker, P W M H Smeets
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QMRA and water safety management: review of application in drinking water systems [PDF]
Journal of Water and Health, 2016 Quantitative microbial risk assessment (QMRA), the assessment of microbial risks when model inputs and estimated health impacts are explicitly quantified, is a valuable tool to support water safety plans (WSP). In this paper, research studies undertaken on the application of QMRA in drinking water systems were reviewed, highlighting their relevance for
Petterson, SR, Ashbolt, NJ
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SCADA data and the quantification of hazardous events for QMRA [PDF]
Journal of Water and Health, 2007 The objective of this study was to assess the use of on-line monitoring to support the QMRA at water treatment plants studied in the EU MicroRisk project. SCADA data were obtained from three Catchment-to-Tap Systems (CTS) along with system descriptions, diary records, grab sample data and deviation reports.
Nicholas Ashbolt
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Science of the Total Environment, 2021 A Quantitative Microbial Risk Assessment (QMRA) framework was applied to assess 312 drinking water supply systems across regional New South Wales (NSW). The framework was needed to support the implementation of a recommendation in the Australian Drinking Water Guidelines (ADWG) for appropriate treatment barriers to be operating in systems 'at risk' for
Petterson, S +5 more
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Combining QMRA and Epidemiology to Estimate Campylobacteriosis Incidence
Risk Analysis, 2016The disease burden of pathogens as estimated by QMRA (quantitative microbial risk assessment) and EA (epidemiological analysis) often differs considerably. This is an unsatisfactory situation for policymakers and scientists. We explored methods to obtain a unified estimate using campylobacteriosis in the Netherlands as an example, where previous work ...
Eric Evers
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Application of a HACCP–QMRA approach for managing the impact of climate change on food quality and safety [PDF]
Food Research International, 2010 The work presented focuses on predictive modelling for estimating the risk to consumers due to consumption of food contaminated with Specific Foodborne Pathogens (SFP) or estimating the remaining shelf life of the product.
Viktor Popov, Radovan Gospavić
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Reverse QMRA as a decision support tool
2021Opportunistic premise plumbing pathogens such as Pseudomonas aeruginosa and Naegleria fowleri are a growing concern in building water systems because of their potential risks to human health. The aim of this study is to determine the critical concentrations of P. aeruginosa and N. fowleri in water that are associated with meaningful public health risks.
Md Rasheduzzaman, Patrick L. Gurian
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A probabilistic QMRA of Salmonella in direct agricultural reuse of treated municipal wastewater
Water Science and Technology, 2015 Developing reliable quantitative microbial risk assessment (QMRA) procedures aids in setting recommendations on reuse applications of treated wastewater. In this study, a probabilistic QMRA to determine the risk of Salmonella infections resulting from the consumption of edible crops irrigated with treated wastewater was conducted.
Farrukh Ahmad, Yamrot M Amha
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QMRA of beach water by Nanopore sequencing-based viability-metagenomics absolute quantification
Water Research, 2023The majority of the current regulatory practices for routine monitoring of beach water quality rely on the culture-based enumeration of faecal indicator bacteria (FIB) to develop criteria for promoting the general public's health. To address the limitations of culture methods and the arguable reliability of FIB in indicating health risks, we developed ...
Yu Yang +8 more
openaire +2 more sources