SCAT team leader Todd Farrar uses a shovel to search for oil in the surf in Perdido Key, Fla., as team members, from left, Angel Calberon, Kristin Hendrix, and Aaron Boutin look on. Tar balls continue to wash ashore a year after the Deepwater Horizon oil spill.

First published in the April 20, 2011, 11:33 a.m. edition

Go to the DailySource front page