SULFUR - WORLDWIDE CONSTRUCTION
*Designates projects listed for the first time in the Journal. ASHLAND PETROLEUM. St. Paul, MN 50 t/d (from refinery). Process: Pritchard. Completion: Fall 1092. Canton, OH 50 t/d (from refinery). Process: Pritchard. Completion: Spring 1992. DERBY REFINING CO. Witchita, KS 20 t/d sulfur recovery unit. Completion: June 1991. HOLLY CORP. Artesia, NM Sulfur recovery unit. $12 MM. (A1) MARATHON OIL CO. *Robinson, IL 180 t/d Claus & tailgas units. Design: Parsons. Contr: Kellogg.