OSHA inspected a Sunoco refinery in Marcus Hook, PA, and issued five repeat and 20 serious citations carrying total proposed penalties of $202,000. The repeat citations allege failure to maintain diagrams that accurately reflect refinery piping structures and equipment, failure to develop and implement adequate written operating procedures, and failure to update process safety information. The serious citations allege deficiencies in the company’s process safety management (PSM) system. [Sunoco Inc., Philadelphia, PA]