According to the Associated Press, BP''s refinery would emit more lead, sulfur dioxide and particulates but less carbon monoxide and other pollutants under a revised air permit it is seeking from the state of Indiana. The Whiting, Indiana refinery also would cut volatile organic compounds and nitrogen oxides and possibly release less mercury when a $3.8 billion modernization is completed in 2011, according to the new application submitted to the Indiana Department of Environmental Management. The higher emissions still would remain below regulatory limits, company officials said. The increases are necessary because heavy Canadian crude oil requires more heat to process, BP spokesman Scott Dean said. Overall, company officials say the refinery will reduce regulated emissions to 8,332 tons per year by 2011, 7 percent less than in 2006.