Legionella doesn't disappear when your cooling tower shuts down. It grows. Here's the 5-step fall shutdown protocol to run before you close for winter.
A cooling tower that "never had a problem" revealed elevated bacteria, scale, and corrosion risk on a free water analysis. Here's what the report actually showed.
A hotel with a signed WMP and monthly treatments still had a Legionella gap. What ASHRAE 188 actually requires, and what a vendor invoice doesn't prove.