CQC currently certifies companies to the CQAS 441 National Compost Quality Assurance Scheme. CQAS 441 is a quality management system, comprising of procedures, processes and standards which certifies the facility process that is producing compost using the Irish Standard I.S. 441 National Compost Quality Assurance Scheme specifications. A Compost Quality Assurance Mark gives confidence to consumers that your compost is produced and verified by a National third party certification body, CQC. Please visit the CQAS 441 page for further information.