A Rule-Base Inference System for Liner/Waste Compatibility

by Lewis A. Rossman, US EPA, Water Engineering Research, Lab, Cincinnati, OH, USA,
Henry E. Haxo, Jr., US EPA, Water Engineering Research, Lab, Cincinnati, OH, USA,



Document Type: Proceeding Paper

Part of: Environmental Engineering

Abstract: Determining the chemical compatibility of a liner material for containment of wastes rests mainly on the application of expert opinion to interpret the results of short-term immersion tests. A methodology known as a production system is employed to encode such expert opinion into a structured evaluation procedure for PVC liners. The system consists of a collection of classification rules and scoring procedures for turning immersion test results into inferences on the likelihood of chemical incompatibility. Results for an illustrative PVC immersion test run are presented. Additional refinement of the production system and its extension to other liner materials is proposed. (Author abstract. )

Subject Headings: Waste containment | Linings | Waste disposal | Chemical wastes | Material tests | Expert systems | Chloride

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