Rita McGuinness

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ion Control signal system model Disturbance Inputs Inputs Outputs Services Information Infrastructure Adaptive Architecture Controller Figure 2.9: Hinnelund's model of an autonomic computing system as a control system. autonomic systems as examples of closed-loop control systems (Taylor and Tofts, 2004). Inputs that cannot be controlled directly are called(More)
The quality of effluent from an on-site sewage treatment system is a critical factor in designing the disposal area and, hence, ensuring the sustained performance of the system. Contaminant concentrations in effluent are typically specified in regulatory guidelines or standards; however, the accuracy of these guideline values are brought into question due(More)
Pathogens and nutrients released from on-site sewage systems represent a risk to surface and ground water quality, particularly where there are sensitive receiving waters such as in drinking water catchments. Buffer zones between on-site systems and waterways are one barrier used to protect water quality. The increased time and distance they provide(More)
Data collected from centralised and decentralised sewage treatment plants throughout Sydney's drinking water catchments was used to calculate the relative catchment loads of Cryptosporidium, enteric viruses, nitrogen and phosphorus for an initial screening assessment. Loads were assessed at median and 90 percentile values for expected and worst-cases(More)
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