Utah Code Ann. § 19-6-105
(1) The board may make rules in accordance with Title 63G, Chapter 3, Utah Administrative Rulemaking Act:
(2) If any of the following are determined to be hazardous waste and are therefore subjected to the provisions of this part, the board shall, in the case of landfills or surface impoundments that receive the solid wastes, take into account the special characteristics of the wastes, the practical difficulties associated with applying requirements for other wastes to the wastes, and site specific characteristics, including the climate, geology, hydrology, and soil chemistry at the site, if the modified requirements assure protection of human health and the environment and are no more stringent than federal standards applicable to wastes: