 until we can get two clean samples in a row. The health department may request testing multiple times throughout the season. We try to test about three times a year minimum. That's Richard McMullen. He's the director of science for the ADH, and he says E. coli testing first occurs before any swimmers even have a chance to get in the water. We open up a swim beach with a test, and it takes two tests to get somebody going. They have...