Abstract: Statsistical approaches to water quality evaluation and parameter estimation are investigated. Water quality indices for the Chao Phraya River in Thailand are developed using the techniques of cluster type analysis, factor ...

Abstract: A general approach to determining the optimal sample size and the number of samples for solid waste sampling is presented. Results demonstrate that any distribution or transformation for percentage separation data could ...

Abstract: Box‐Jenkins time series analysis for the monthly water quality data in Chung Kang River was conducted. It was found that the autoregressive models with order one could be used, and forecasting with seasonal data seems to ...

Abstract: This paper reviews the current United States sewage sludge disinfection regulations and their associated practices; discusses the limitations of the practices; the criteria employed in evaluating a new (innovative or ...