This unit of competency specifies the outcomes required to design and implement quality control measures to assess the quality of spatial products and services. The unit covers analysing specifications and information to plan and design quality control standards and assessment criteria, and implementing quality control processes to assess sample products and services. Assessing quality includes analysing data; and identifying, isolating and rectifying faults. The unit also covers conducting independent inspection, tests and audits, and facilitating work groups to identify and resolve quality variances. It includes implementing procedures to monitor and maintain quality processes, and preparing quality assessment reports. The unit requires the ability to design computations and conduct error analysis using a computer and software.The unit supports those who manage quality processes and staff in a surveying or spatial information services team, in areas such as surveying, cartography, town planning, mapping and geographic information systems (GIS).No licensing, legislative, regulatory, or certification requirements apply to this unit of competency at the time of endorsement.