This unit describes the skills required to investigate and report on odour and infiltration problems in the wastewater collection and transfer systems. The ability to investigate and resolve wastewater system problems, operate technical equipment and prepare technical reports is essential to performance.This unit applies to those working as field and operational staff with a specific responsibility for ensuring that odour and infiltration problems in wastewater collection and/or transfer systems are identified and remedied.The skills and knowledge described in this unit must be applied within the legislative, regulatory and policy environment in which they are carried out. Organisational policies and procedures must be consulted and adhered to, particularly those related to WHS. Those undertaking this unit would work under indirect supervision, while performing routine tasks in a familiar context, ensuring minimum damage to the environment. No licensing, legislative or certification requirements apply to unit at the time of publication.