... UV light does not add anything to the water ,such as ,undesirable color ,odor , taste , or flavor ,nor ... convert wastewater to microbiologically safe drinking water.Water Quality (in)Water quality plays a major role in ... dosage of at least 30,000microwatt-seconds per square centimeter (μW-s/cm2), even at the ... *time=micro watt/cm2*time=microwatt-seconds per square centimeter (μW-s/cm2) Note:1000μW- ...