(1) The purpose of these rules is to establish minimum design, construction, and installation standards for aboveground double-walled petroleum storage tank systems, other similarly constructed and equally protected aboveground petroleum storage tank systems, and all associated on-site double-walled integral piping systems owned or operated by persons that want to qualify for a reduced deductible under the statutes and rules governing the Montana petroleum tank release cleanup fund.

(2) These standards will provide the petroleum tank release compensation board with criteria to evaluate eligibility for 100% reimbursement of expenses associated with accidental releases of petroleum product from aboveground double-walled or equally protected aboveground petroleum storage tank systems.

(3) These rules are not intended to supersede or to replace any fire or life-safety rules duly adopted by the department of justice fire prevention and investigation bureau which regulate the installation, operation, or management of aboveground petroleum storage tank systems.

(4) The department does not intend to use these rules for regulatory purposes.