Mo. Code Regs. Ann. tit. 10, § 26-2.071
PURPOSE: This rule describes the immediate steps owners and operators of a leaking underground storage tank must take.
(1) Upon confirmation of a release in 10 CSR 26-2.052, or after a release from the underground storage tank (UST) system is identified in any other manner, owners and operators must perform the following initial response actions within twenty-four (24) hours:
AUTHORITY: section 319.109, RSMo Supp. 2010.* This rule originally filed as 10 CSR 20- 10.061. 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.