Ehdotuksen tiedot

This document specifies a method for determining the ultimate aerobic biodegradability of plastic materials under controlled composting conditions by gravimetric measurement of the amount of carbon dioxide evolved. The method is designed to yield an optimum rate of biodegradation by adjusting the humidity, aeration and temperature of the composting vessel. The method applies to the following materials: If the test material inhibits microorganisms in the inoculum, another type of mature compost or pre-exposure compost can be used.