Part I covered how the compliance framework functions as one integrated system and how primacy turns federal authority into state enforcement through CDPHE. This guide, Part II, goes deep on the single mechanism most likely to show up in a nuanced, scenario-based exam question at the top license class: the Public Notification (PN) Rule. You saw the three-tier overview back in the Process Control Basics tier. Here, we cover exactly what triggers each tier, the precise timelines and methods, and — critically — how to correctly handle a system facing more than one violation at the same time.
Tier 1: Immediate Notice (24 Hours)
Trigger: Any situation with the potential for immediate impact on human health — the most acute category in the entire framework. This includes violations like an E. coli MCL violation (recall from the System Optimization tier: a specific combinat