DOW JONES NEWSWIRES The following table lists unplanned and planned production outages at U.S. refineries as reported by Dow Jones Newswires. The information is compiled from both official and unofficial refining sources and doesn't purport to be a comprehensive list. The start-up of a processing unit at PBF Energy's oil refinery in Delaware City, Del., was interrupted on May 28 when a release of hydrogen sulfide went through a flare stack during the process, according to a filing to the U.S. National Response Center. The 190,000-barrel-a-day plant remains on track to start-up in the 2nd-quarter. Exxon Mobil Corp. (XOM) on May 29 said a process unit restart at it's Joliet refinery in Illinois caused a release of nitrogen dioxide to a flare stack. The company reported the event to the U.S. National Response Center. Traders doing business in the region said the plant's FCCU had been down for repairs. Exxon Mobil Corp. (XOM) on May 29 reported an unplanned flaring event at its refinery in Torrance, Calif. The reason for the flaring wasn't specified in a report to Calif. environmental regulators. ConocoPhillips on May 27 restarted a compressor at unspecifed equipment at its refinery in Sweeny, Texas. The restart caused a period of flaring, a filing to environmental regulators said. BP PLC (BP) on May 27 reported emissions of sulfur dioxide due to an upset at an unspecified process unit at its Carson refinery in Los Angeles, Calif. The unit outage was part of routine maintenance, BP said. Valero Energy Corp. (VLO) restarted units at its 218,500 barrel-a-day refinery in Texas City, Texas, after an early morning power outage on on May 27. Marathon Oil Corp. (MRO) restarted units at its 76,000 barrel-a-day refinery Texas City, Texas, on May 27 after an early morning power outage. Marathon Oil Corp. restarted units at its 206,000 barrel-a-day refinery in Robinson, Ill., on May 26 after a power outage the previous night. Exxon Mobil Corp. reported flaring at its 234,000 barrel-a-day refinery in Joliet, Ill., according to a filing with state regulators made public on May 26. Total SA (TOT, FP.FR) said a brief power failure forced it to shut down the coker at its 232,000 barrel-a-day refinery in Port Arthur, Texas, on May 26. BP PLC restarted the crude distillation unit, coker, reformer and "other units" after a maintenance turnaround at its 225,000 barrel-a-day Cherry Point refinery in Washington state, according to a filing with state regulators made public on May 26. Valero Energy Corp. took down the gas oil treating unit for unplanned maintenance at its 142,000 barrel-a-day refinery in Corpus Christi, Texas, on May 25, the company said in a filing with state regulators. Valero Energy Corp. took down the coker unit at its 142,000 barrel-a-day Corpus Christi, Texas, refinery for maintenance May 25, according to a government filing. Valero Energy Corp. was restarting the wet gas compressor at its 285,000 barrel-a-day refinery in Port Arthur, Texas, according to a govnerment filing on May 25. For more detailed information, search Dow Jones Newswires using the code N/REF. Operator Refinery Capacity Description Restart (in 000s bbl/day) UNPLANNED CANADA CARIBBEAN EAST COAST GULF COAST Chevron Pascagoula 330.0 One of two crude units experienced MS an "isolated fire" early May 10 that lasted about an hour. Co. declined to comment on the status of the unit and the refinery. Conoco Sweeny, TX 247.0 Compressor at unidentified equip- 5/27 ment restarted on May 27 after shuting down earlier that day. Exxon Baton Rouge, 506.0 Cut production by at least 50,000 5/13 LA. b/d and closed docks and pipelines because of flooding in region. Valero Port Arthur, 285.0 Company restarting wet gas compressor, TX according to May 25 government filing. Total Port Arthur 232.0 Coker unit down after power outage, TX according to May 26 filing. MIDWEST Exxon Joliet, IL 238.6 Flaring due to overpressure of unspecified unit, according to May 25 government filing. ROCKIES WEST COAST Shell Martinez, CA 156.5 Restarted hydrocracker after May 17 shutdown on May 16. PLANNED CANADA Suncor Edmonton 135.0 4 weeks of planned work starts Apr 22 at one of two crude units and associated equip. CARIBBEAN Hovensa St. Croix 350.0 Refinery's #4 distillate desulfurizing unit restarted on May 19, company said on May 23. Unit had been damaged by fire. EAST COAST GULF COAST Lyondell Houston, TX 270.0 FCCU rate cut on Apr 22 follow- Basell upset. Unit status remains un- unclear on May 3; the co. won't comment. Motiva Port Arthur 285.0 Expansion project to increase 1Q throughput capacity by 325,000 2012 b/d, to 610,000-b/d, slowed. Completion now seen 1Q 2012, from 2010. Petrobras Pasadena 56.0 FCCU restarted after being taken TX out of service Feb. 28 for planned work, company said May 24. Valero Corpus Christi 142.0 Coker brought down for planned TX maintenance, company said in May 25 government filing. Valero McKee TX 170.0 Vacuum unit turnaround planned for first half of 2012, co. said. Expansion project announced on March 2011 to increase crude oil throughput by 25,000 b/d to 195,000 b/d. Valero Norco, LA 185.0 Hydrocracker project will pro- 2013 ceed and be completed in late 2013, the co. said on 7/27/10. Upgrade project to build 2012 a new diesel hydrotreater unit moved from 2010 to 4Q 2012. Valero Port Arthur 325.0 Hydrocracker project will pro- 2012 TX ceed and be completed in late 2012. MIDWEST BP Whiting, IN 405.0 Turnaround will start at the End-May end of March at Reformer No. 4 and alkylation unit for 60 days, source said on Mar 25. Turnaround at Pipestill 12 de- layed by 3 months; it was sup- posed to begin in November, a source said on Mar 25. Frontier Cheyenne, WY 47.0 Refinery to return to targeted May 8- run rates week starting May 8 15 after undergoing equipment up- grades, the co. said on May 5. CVR Coffeyville 115.7 Periodic turnaround will take place KS in two phases beginning in Fall 2011 and completed in Spring 2012. Tesoro Mandan, ND 58.0 Total crude-oil processing capa- 2nd Q city to increase by 17% to 68,000 2012 b/d by 2nd quarter 2012. WEST COAST BP Carson, CA 265.0 Upset at unspecified process unit reported on May 27 due to routine maintenance, to Co. said. Tesoro Anacortes 120.0 Planned maintenance under way May 2 since April 29 expected to con- clude on May 2; no impact to production.