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A model developed for optimal allocation of sampling resources in a surveillance system designed to enforce certain environmental standards is described. While the presentation is done in the specific context of a wastewater effluent pollution surveillance system, the methodology developed is potentially useful in other environmental areas. The surveillance system considered is one applicable to a finite number of sources, each containing one or more contaminants. A source can be sampled to determine whether any of its contaminants exceeds a maximum allowed value. If such an excess is detected, then the source is said to be in violation. The objective is to allocate the sampling resources for each source during a certain monitoring period such as to minimize a certain performance index, subject to a budget constraint. This performance index is taken as the expected environmental damage due to the undetected violations. The resulting optimization problem, which is of the integer programming type, is shown to be amenable to solution via the method of maximum marginal return.
Systems, Man and Cybernetics, IEEE Transactions on (Volume:SMC-6 , Issue: 6 )
Date of Publication: June 1976