A STUDY ON HIERARCHICAL FRAMING AND STANDARDIZATION OF LEACHING TESTS FOR WASTE UTILIZATION IN JAPAN

A Study on hierarchical framing and standardization of leaching tests for recycled
products are in progress under a research project “Studies on methodology to set environmental
safety quality level based on standardization of the testing system for secondary recycled
products”. The aim is focused on the risks for soil and groundwater caused by leaching of
contaminants. The proposing evaluation frame will provide appropriate method for a variety of
recycled products. The frame comprises several exposure tests and leaching tests, being
scheduled for standardization in Japanese Society of Waste Management Experts Standards
(JSWMES) through examination of the test validity using actual recycled products.

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