(Salinas, CA)  --  A lettuce produce recall is in effect in Oregon and several other states over E.coli concerns.  The voluntary recall by producer Tanimura and Antle in Salinas, California was confirmed by an FDA tweet Friday.  The company's romaine lettuce packed as single heads with packaging dates of October 15th and 16th are affected.  The product was distributed in Puerto Rico and in 19 U.S. states including Oregon.