GALWAY, IRELAND--February 5, 2010--Researched by Industrial Info Resources (Sugar Land, Texas)--Shell UK Limited's (London, England) 359,000-barrel-per-day (BBL/d ) Stanlow Refinery, located in Ellesmere Port near the River Mersey, is currently undergoing a planned maintenance turnaround in all processing units. The turnaround began January 25. Sources at the refinery say that the work is going smoothly and as scheduled.