Valero was scheduled to shut down the sulphur recovery unit (SRU) at the west side of its 290,000 b/d Bill Greehey Refinery in Corpus Christi, Texas, for scheduled maintenance beginning on 28 June. Planned flaring related to the unit maintenance, start-up and shutdown was scheduled to begin at 10am ET that day and end the morning of 1 July, according to a regulatory filing.
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