UPDATE 2-Safety measures ordered for failed oil pipeline in California
May 22, 2015 at 21:06 PM EDT
LOS ANGELES, May 22 (Reuters) - Owners of an oil pipeline that burst in California this week must take numerous corrective measures, including an in-depth analysis of factors contributing to the spill and a plan to fix any flaws found, before they can restart the line, U.S. safety officials said on Friday.