adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};A staff report recommends that Columbia Gas be fined $400,000 for a gas explosion that leveled an Upper Arlington house and damaged several others to the tune of $9 million. The Public Utilities Commission of Ohio staff released the report today and will forward its recommendation to the commissioners, who will decide whether and how much to fine the utility.