This unit of competency describes the skills required to monitor, operate and control coagulation and flocculation processes; and to measure and report on system performance and quality control. The ability to identify faults, determine and apply technical adjustments and conduct chemical dosing procedures.This unit applies to those working as operational staff with a specific responsibility for coagulation and flocculation processes in water and wastewater plants. The skills and knowledge described in this unit must be applied within the legislative, regulatory, statutory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to, particularly those relating to safety, water testing, chemical dosing, handling and storage of hazardous substances and dangerous goods.Those undertaking this unit would work under supervision, while performing routine tasks, within a familiar context.No licensing, legislative or certification requirements apply to unit at the time of publication.