The February 2019 issue of PM Engineer focuses on water safety, specifically the threat of legionella and how engineers can reduce risk by referencing ASHRAE Standard 188. Also in the magazine, Julius Ballanco’s analysis of potentially dangerous proposed changes to Illinois’ plumbing code, a look at new data-collecting sensor faucets and John Siegenthaler, P.E., tells us about different configurations for thermal storage tanks. The February edition also features debut columns by new contributors Ethan Grossman, P.E., on unit conversions, Rocco Luisi on business advice and Christoph Lohr, P.E., on recruiting and retaining talent.