NEW : Administration officials meet with BP execs to discuss spill response . Florida governor extends emergency declaration to five more coastal counties . Oil spill was nine miles off coast line . Mariners ban fishing for at least the next 10 days in much of the northern Gulf of Mexico .
NEW : Administration officials meet with BP execs to discuss spill response . Florida governor extends emergency declaration to 16 more coastal counties . Oil slick was nine miles off coast Monday . Feds ban fishing for at least the next 10 days in part of the northern Gulf of Mexico .