An oiled near Grand Isle, Louisiana The oil dispersant , previously only used as a surface application, was released underwater in unprecedented amounts, with the intent of making it more easily biodegraded by naturally occurring microbes.
Striped dolphins observed in emulsified oil on 29 April 2010 In the first birthing season for dolphins after the spill, dead baby dolphins washed up along Mississippi and Alabama shorelines at about 10 times the normal number.
Workers cleaning a beach affected by the spill.