The Chevron Environmental Management Company will host an open house for the former Texaco Refinery in Lawrenceville on Wednesday, May 15th. Tours will run continuously from 4:30 to 7 pm at Wishnick Park at 6th & Hickory in Lawrenceville. A picnic dinner will be served. Anyone wanting more information can call Monte McKillip at 1-877-240-4445.