"Hello Captain Harkness," Data looks up. His uniform is still slightly damp and there are small puddles on the floor around his boots. "Did you enjoy your walk?"

"There are abnormally high levels of industrial pollutants in the atmosphere, including lead and antimony." Data swings the tricorder around, taking another reading of the cafe. "And I am picking up unusual pockets of chroniton particles throughout this establishment."

Works for me! Whee!