Missouri Administrative Code

(Rescinded July 13, 1981) Filed Aug. 13, 1982, effective Jan. 14, 1983. Rescinded and re- adopted: Filed Dec. 13, 1983, effective June 18, 1984. Rescinded: AUTHORITY: sections 260.370, 260.375, 260.380, 260.390 and Filed Dec. 16, 1985, effective Oct. 1, 1986. 260.395, RSMo 1978. …

(Rescinded October 1, 1986 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10 CSR 25-7.020 Incinerators (Rescinded October 1, 1986) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10 CSR 25-7.030 Landfills (Rescinded Octob…

(Rescinded October 1, 1986) AUTHORITY: sections 260.370, 260.390 and 260.395, RSMo 1978. AUTHORITY: sections 260.370, 260.375, 260.380, 260.390 and Original rule filed Dec. 13, 1983, effective June 18, 1984. Rescinded: 260.395, RSMo 1978. Original rule filed July 16, 1979, effect…

(Rescinded October 1, 1986) PUBLISHER’S NOTE: The secretary of state has determined that publication of the entire text of the material that is incorporated AUTHORITY: sections 260.370, 260.390, and 260.395, RSMo 1978. by reference as a portion of this rule would be unduly cumber…

(Rescinded October 1, 1986) as published by the Office of the Federal Register, National Archives and Records Administration, Superintendent of AUTHORITY: sections 260.370, 260.390 and 260.395, RSMo 1978. Documents, Pittsburgh, PA 15250-7954, are incorporated by ref- Original rul…

Storage, and Disposal Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Treatment, Storage, and Disposal Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

and Specific Types of Hazardous Waste Management Facilities . . . . . . . . . . . 6 10 CSR 25-7.268 Land Disposal Restrictions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Permit Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Denny Hoskins (1/29/25) CODE OF STATE REGULATIONS 1 Secretary of State 10 CSR 25-7—DEPARTMENT OF NATURAL DIVISION 25—HAZARDOUS WASTE RESOURCES MANAGEMENT COM…

(Rescinded January 30, 1999) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 10 CSR 25-8.124 Procedures for Decision Making . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Denny Hoskins (8/31/25) CODE OF STATE …

decision at which any member of the public is invited to give PURPOSE: This rule reflects the requirements of the federal reg- oral or written comments; ulations in 40 CFR part 124, with modifications and additional E. “Revocation” means the termination of a permit; requirements …

(Rescinded December 31, 1990) AUTHORITY: sections 260.370, 260.375, 260.380, 260.385, 260.395 and 260.437, RSMo 1986. Original rule filed Jan. 13, 1982, effective Aug. 1, 1982. Amended: Filed March 14, 1985, effective July 19, 1985. Amended: Filed Dec. 16, 1985, effective Oct. 1,…

(Rescinded March 30, 2019) ................................................................3 JOHN R. ASHCROFT (2/28/19) CODE OF STATE REGULATIONS 1 Secretary of State Chapter 9—Resource Recovery 10 CSR 25-9 Title 10—DEPARTMENT OF NATURAL RESOURCES Division 25—Hazardous Waste Mana…

(Rescinded August 30, 2018) AUTHORITY: section 536.021, RSMo Supp. 2010. Original rule filed April 15, 2011, effec- tive Dec. 30, 2011. Rescinded: Filed Jan. 11, 2018, effective Aug. 30, 2018. JOHN R. ASHCROFT (7/31/18) CODE OF STATE REGULATIONS 3 Secretary of State…

Atomic Energy Act of 1954 (42 U.S.C. 2011 (whether of single- or double-wall construc- PURPOSE: This rule defines the under- and following); tion)— ground storage tanks that are subject to the (C) Any UST system that is part of an (A) Will prevent releases due to corrosion requir…

Tank Systems ...................................................................................3 10 CSR 26-2.012 Definitions .......................................................................................3

Hazardous Waste Management Law, sections 2.013; or 260.350–260.434, RSMo, and the rules pro- (B) Option 2. Permanent closure of the PURPOSE: This rule defines specific words mulgated thereunder or a mixture of haz- UST system no later than December 31, used in this chapter. ardou…

Distribution Systems ..........................................................................6 10 CSR 26-2.019 New Installation Requirements ...............................................................7 10 CSR 26-2.020 Performance Standards for New Underground Storage Tank S…

tank and/or UST system piping intended to ments be used for storage of a regulated substance, (7) Should one (1) or more of a manufacturer’s the tank and/or piping must be tested, PURPOSE: This rule sets the standards that requirements contradict the recommended inspected, and me…

system installed after July 1, 2017, must have certified by NACE International or Storage Tank Systems a containment sump beneath it. International Code Council (ICC); 1. A dispenser system is considered new PURPOSE: This rule contains requirements C. The lining or retrofit is in…

ments five (1–5) years for an initial Certificate of Registration and a period of five (5) years for (1) Owners and operators must ensure that PURPOSE: This rule specifies the registra- subsequent Certificates of Registration. releases due to spilling or overfilling do not tion p…

tions. To obtain a copy, contact the American Association Standard 326, Standard for the PURPOSE: This rule prevents releases Petroleum Institute, 1220 L Street NW, Safeguarding of Tanks and Containers for caused by chemical action on the under- Washington, DC 20005, (202) 682-80…

Sumps by a nationally recognized association(s) or checked at least once every thirty (30) days. independent testing laboratory(ies), deter- The person(s) conducting the inspection must PURPOSE: This rule contains the require- mined to be no less protective of human check to make…

Storage Tank Systems........................................................................18 10 CSR 26-2.041 Requirements for Petroleum Underground Storage Tank Systems ....................18 10 CSR 26-2.042 Requirements for Hazardous Substance Underground Storage Tank Systems …

Detection for Tanks dent tank system; thousand- (551–1,000-) gallon capacity tanks 4. Be done in conjunction with invento- with a diameter no greater than sixty-four PURPOSE: This rule contains the require- ry control that meets the requirements in 10 inches (64") are allowed a d…

Keeping (1) Owners and operators of underground (1) When required by the department, owners storage tank (UST) systems must report to the and operators of underground storage tank PURPOSE: This rule describes the records department within twenty-four (24) hours and (UST) systems …

*Original authority: 319.105, RSMo 1989; 319.107, RSMo 10 CSR 26-2.050 Reporting of Suspected Site Impacts 1989, amended 1994; and 319.137, RSMo 1989, amended Releases 1993, 1995, 2004. PURPOSE: This rule describes the require- PURPOSE: This rule describes the steps for ments for…

Confirmation Steps must begin site characterization and correc- cannot be accomplished within twenty-four tive action in accordance with 10 CSR 26- (24) hours, owners and operators must imme- PURPOSE: This rule describes the steps 2.070–10 CSR 26-2.083; or diately notify the depa…

equipment listings, contact the National Work 1995, 2004, 2008; and 319.137, RSMo 1989, amended 1993, 1995, 2004. Group on Leak Detection Evaluations, PURPOSE: This rule contains the require- www.nwglde.org. ments for underground storage tanks that are 1. If the system test confi…

Closure or Change in Service and section 319.137, RSMo Supp. 2013.* This rule originally filed as 10 CSR 20- the UST system site; or 10.072. Original rule filed April 2, 1990, (C) By mailing these records to the depart- PURPOSE: This rule describes the require- ment if they canno…

2004, 2008 and 319.137, RSMo 1989, amended 1993, Corrective Action to stop the spread of the release and finding 1995, 2004. the extent of the release. PURPOSE: This rule establishes general pro- cedures for responding to leaks of spills at (1) Unless directed to do otherwise by …

and Corrective Action requirements; under 10 CSR 26-2.072(1)(E); and (E) Measure for the presence of a release (D) Results of the free product investiga- PURPOSE: This rule describes the immediate where contamination is most likely to be pre- tions required under 10 CSR 26-2.072(…

Measures and Investigation effective Dec. 30, 2011. free product under 10 CSR 26-2.072(1)(F), JOHN R. ASHCROFT (4/30/17) CODE OF STATE REGULATIONS 27 Secretary of State Division 26—Petroleum and Hazardous 10 CSR 26-2—DEPARTMENT OF NATURAL RESOURCES Substance Storage Tanks owners …

underground storage tanks. department, owners and operators must per- tion form the following abatement measures upon (1) Owners and operators of petroleum or confirmation of a release: PURPOSE: This rule describes the steps for hazardous substance underground storage (A) Remove …

*Original authority: 319.109, RSMo 1989, amended 1995, AUTHORITY: sections 319.109 and 319.137, 2004, 2008. RSMo Supp. 2010.* This rule originally filed PURPOSE: This rule requires spilled, free as 10 CSR 20-10.062. Original rule filed product to be collected immediately. April 2…

and Groundwater Cleanup covered prior to the effective date of this rule, 1995, 2004. 28 CODE OF STATE REGULATIONS (4/30/17) JOHN R. ASHCROFT Secretary of State Chapter 2—Underground Storage Tanks—Technical Regulations 10 CSR 26-2…

pre-approval of costs and reinbursement of Missouri, is the site of an underground stor- PURPOSE: This rule sets clean-up levels for costs, in regard to the site. age tank which was (Removed/Closed) on underground storage tank corrective actions (B) The department will not requir…

tamination on nearby surface and ground Action Process for Petroleum Storage Tanks PURPOSE: This rule lists the requirements water; guidance document, October 17, 2013, for corrective action plans for cleanup of (E) An exposure assessment; and which is hereby incorporated by refe…

under 10 CSR 26-2.010(2) and UST systems releases or exposed below-ground releases nature of the release, including information subject to the Resource Conservation and and prevent further migration of the released gained while confirming the release or com- Recovery Act (RCRA), …

strate financial responsibility for taking cor- terms used in this chapter unless defined oth- rective action and for compensating third par- PURPOSE: This rule identifies those persons erwise in this rule or in the rule in which the ties for bodily injury and property damage req…

Responsibility Terms March 30, 2000. Moved and amended: Filed (5) If an owner or operator uses separate April 15, 2011, effective Dec. 30, 2011. mechanisms or separate combinations of PURPOSE: This rule defines specific terms mechanisms to demonstrate financial respon- used in th…

tanks (USTs) located in this state from the release of funds as specified in subsection Petroleum Storage Tank Insurance Fund. In (1)(C) or (D) of this rule, the director will addition, any other combination of mecha- instruct the trustee to release to the owner or nisms may be u…

and Combinations of Mechanisms PURPOSE: This rule outlines the methods allowed for demonstrating financial responsi- bility for releases from petroleum under- ground storage tanks. (1) Subject to the limitations of sections (2) and (3) of this rule— (A) An owner or operator, incl…

Insurance ments, if independently audited, cannot alternative coverage within one hundred fifty include an adverse auditor’s opinion, a dis- (150) days of the end of the year for which PURPOSE: This rule describes the require- claimer of opinion or a going concern quali- financia…

Retention Group Coverage PURPOSE: This rule describes the require- ments for use of insurance or risk retention group coverage for financial responsibility. (1) An owner or operator may satisfy finan- cial responsibility requirements in 10 CSR 26-3.093 by obtaining liability insu…

PURPOSE: This rule describes the require- ments for use of a surety bond as evidence of financial responsibility. (1) An owner or operator may satisfy the financial responsibility requirements of 10 CSR 26-3.093 by obtaining a surety bond that conforms to the requirements of this…