Contents (2012 - 311)Skip to content
Public Health Regulation 2012
Current version for 19 July 2019 to date (accessed 16 October 2019 at 11:07)
13J Operating requirements
For the purposes of section 29 of the Act:(a) a cooling water system must be operated as required by AS/NZS 3666.2:2011, and(b) a cooling water system must be equipped with a disinfection procedure that is in operation at all times and that is designed to control microbial growth so that:(i) the level of Legionella in the system is less than 10 colony-forming units per millilitre, and(ii) the heterotrophic colony count in the system is less than 100,000 colony-forming units per millilitre, and(c) there must be safe and easy access to a cooling water system for the purpose of the cleaning, inspection and maintenance of the system.