- (a) Use water that meets Environmental Protection Agency regulatory standards for drinking water.
- (b) Discharge water and air for a minimum of twenty (20) to thirty (30) seconds after each patient from any device connected to the dental water system that enters that patient’s mouth.
- (c) During a boil-water advisory, do not deliver water from the public water system to the patient through the dental operative unit, ultrasonic scaler, or other dental equipment that uses the public water system until the boil order is lifted by the local water utility.