CORRECTED-Marathon to shut Catlettsburg refinery SRU-regulator
May 04, 2012 at 13:18 PM EDT
NEW YORK, May 4 (Reuters) - Marathon Petroleum will shut a sulfur recovery unit (SRU) at the 212,000-barrels-per-day refinery in Catlettsburg, Kentucky on Saturday for minor maintenance, the state regulator said.