(55)In addition, biodegradable waste should not lead to the presence of contaminants in the compost produced. The requirements of harmonised standard EN 13432:2000 ‘Packaging – Requirements for packaging recoverable by composting and biodegradation – Test scheme and evaluation criteria for final acceptance of packaging’ should be revised with regard to composting times, permissible levels of contamination and restrictions on the release of microplastic to allow those materials to be processed in bio-waste treatment facilities in an appropriate manner. In addition, a similar standard for home composting should be established in the Union.