1. AWWA(2020). Responding to water stagnation in buildings with reduced or no water use: A framework for building managers. Denver CO: AWWA.
2. Impact of stagnation and sampling volume on water microbial quality monitoring in large buildings
3. Centers for Disease Control and Prevention. (March 26 2021a).Developing a water management program to reduce legionella growth & spread in buildings.https://www.cdc.gov/legionella/downloads/toolkit.pdf
4. Centers for Disease Control and Prevention. (March 26 2021b).Guidance for reopening buildings after prolonged shutdown or reduced operation.https://www.cdc.gov/coronavirus/2019-ncov/php/building-water-system.html