ASHRAE Standard 188-2015 Legionellosis: Risk Management of Legionella for Building Water Systems: Common Mistakes in Addressing Legionella Risk

While the risk management approach and water management program outlined in ASHRAE Standard 188-2015 will go a long way in preventing Legionnaires’ disease, there are many common mistakes and misconceptions that can subvert a successful program. The basic principles underlying the key elements of Standard 188 will be reviewed as well as the common assumptions and measurement errors that can lead to missed opportunities to implement effective controls. Case studies will be presented that exemplify both successful and failed programs.