Upon receiving information that the operation, maintenance, or condition of an underground storage tank or the surrounding environs may present a threat or a hazard to the health of persons or to the environment, or may present an actual or threatened violation of any provision of this chapter, the Secretary may issue to the owner or operator an order establishing reasonable and proper methods for the control of the activity, tank closure, removal of contaminated materials, and the management of substances in the tank or the surrounding environs in order to reduce or eliminate the hazard or the violation. Orders of the Secretary may include requiring the owner to undertake investigations on properties of the owner. (Added 1985, No. 66, § 1; amended 1987, No. 282 (Adj. Sess.), § 11.)