Applicability to Previously Closed Underground Storage Tank Systems

PURPOSE: This rule describes the responsibilities of owners and operators of underground storage tanks closed before December 22, 1988. (1) The department may require that the owner and operator of an underground storage tank (UST) system permanently closed before December 22, 1988, must assess the excavation zone and close the UST system in accordance with 10 CSR 26-2.060–10 CSR 26-2.064 if releases from the UST, in the judgment of the department, may pose a current or potential threat to human health and the environment. AUTHORITY: section 319.111, RSMo 2000, and sections 319.109 and 319.137, RSMo Supp. 2010.* This rule originally filed as 10 CSR 20-10.073. Original rule filed April 2, 1990, effective Sept. 28, 1990. Moved and amended: Filed April 15, 2011, effective Dec. 30, 2011. *Original authority: 319.109, RSMo 1989, amended 1995, 2004, 2008; 319.111, RSMo 1989; and 319.137, RSMo 1989, amended 1993, 1995, 2004.