BP…said it isn’t responsible for damages to boats that participated in its oil-spill cleanup program or for the losses of Gulf Coast businesses idled by the U.S. deep-water drilling moratorium. The U.S. Oil Pollution Act, which requires companies to compensate people and businesses harmed by an offshore spill, makes clear that liability is “limited to damages directly caused by a covered oil spill and that indirect or derivative losses are not compensable,” BP said in papers filed...in federal court in New Orleans. BP’s filing came in response to post-spill claims included among 350 consolidated lawsuits by thousands of businesses and individuals...[H]undreds of boat owners and contractors who participated in cleaning up the BP spill filed a master complaint seeking compensation for unpaid wages, vessel damage and physical injuries from contact with the spilled oil or chemical dispersants used to break up the oil. BP...asked the federal court in New Orleans overseeing spill suits to dismiss claims by these plaintiffs under the Oil Pollution Act.