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more general categories information about this item 10. Biology and Chemistry 10. Biology and Chemistry Biology and Chemistry (144) Research and Analysis Methods (20) description: US Environmental Protection Agency (EPA) test methods are procedures for measuring presence and concentration of physical and chemical contaminants; evaluating properties of chemical substances; and measuring the effects of substances under various conditions. Using linked-data techniques, AFDSI imports test methods to create an EPA Test Methods ontology. complete name: Methods US EPA