Agenda: Rules Hearing – Chapter 246-100 WAC, Communicable & Certain Other Diseases (staff presentation/public comment/possible action), Update – School Module & Immunization Rates, Briefing – Chapter 246-290 WAC, Group A Public Water Supplies, Regulatory Tool for Per-and Polyfluoroalkyl Substances (PFAS) Drinking Water Standard, Board Member comments, adjournment.