DIARY-U.S. refinery operations-Valero Memphis gasoline unit boosting output after restart-sources

July 13 (Reuters) - The following is a list of refinery incidents reported in the United States on July 12: * CVR Wynnewood, Okla. refinery reports emissions on July 7 * HollyFrontier reports emissions at Tulsa West refinery * Phillips 66 says planned work underway at Rodeo, Calif. refinery * Total Port Arthur refinery hydrotreater shut -sources