The division received comments and questions regarding this rule during formal and informal comment periods related to rulemaking. Comments dealt with proposed changes that would allow some types of UST testing to be performed by certified installers or UST owners, add requirements for monthly operator inspections, and change the operator training rules. During rulemaking in 2016, Utah's UST rules were reviewed by representatives from the US Environmental Protection Agency (EPA) to ensure that the changes Utah proposed to incorporate the 2015 EPA UST regulations would not jeopardize Utah's ability to receive State Program Approval (SPA) from EPA. In reviewing the rules, EPA commented that some parts of Utah's operator training rule may be less stringent than the federal regulations, and made recommendations for changes.