State regulators must rule on a request by Columbia Gas Of Ohio to increase prices. Columbia has filed a request for a nine cent price increase with the Public Utilties Commission Of Ohio. The increase would push average monthly bills from 107 dollars to 115 dollars. The new price would run through February, March and April. The current price was set in October for NOvember, December and January. Columbia has about one-point-three million customers in 64 Ohio counties.