Vapor Balance Requirements

The owner or operator of a GDF must comply with the following: (3-28-23) 01. Loading. When loading an underground gasoline storage tank equipped with a vapor balance system, connect and ensure the proper operation of the vapor balance system whenever gasoline is being loaded. (3-28-23) 02. Maintenance. Maintain all equipment associated with the vapor balance system to be vapor tight and in good working order. (3-28-23) IDAHO ADMINISTRATIVE CODE IDAPA 58.01.01 Department of Environmental Quality Rules for the Control of Air Pollution in Idaho Section 597 Page 122 03. Inspection. Inspect the vapor balance equipment on an annual basis to discover potential or actual equipment failures. A log form is available on the Department’s website at http://www.deq.idaho.gov. (3-28-23) 04. Repair. Replace, repair or modify any worn or ineffective component or design element within twenty-four (24) hours to ensure the vapor-tight integrity and efficiency of the vapor balance system. If repair parts must be ordered, either a written or verbal order for those parts must be initiated within two (2) working days of detecting such a leak. Such repair parts must be installed within five (5) working days after receipt. (3-28-23)