"Major facility" means an assemblage of one or more aboveground storage tanks, including any indoor tanks, together with any associated secondary containment areas, appurtenances, and substance transfer areas, that are located at a single property or multiple contiguous properties and where the total substance design storage capacity of all such tanks at the site is 1,000,000 gallons or greater.
"Major facility permit" means a permit issued by the agency to a major facility pursuant to this chapter. Any tank meeting the definition of indoor tank is excluded from regulation under the terms and conditions of a major facility permit.
"Substance" means any liquid material which is not gaseous or solid at ambient temperature and pressure that would be likely to pollute any waters of the state.
MS s 115.03
23 SR 883
July 13, 2009