PURPOSE: This rule explains how the owner and operator must keep records demonstrating compliance with the requirements of this chapter. These records must be furnished to the department on request.

1. (1) Owners and operators of underground storage tank (UST) systems must cooperate fully with inspections, monitoring, and testing conducted by the department, or the department’s authorized representative, as well as requests for document submission, testing, and monitoring.

   1. (A) Reporting. Owners and operators must submit the following information to the department:

      1. 1. Notification for all UST systems (10

CSR 26-2.022);

1. 2. Reports of all releases including sus-

pected releases (10 CSR 26-2.050), spills and overfills (10 CSR 26-2.053), and confirmed releases (10 CSR 26-2.071);

1. 3. Corrective actions planned or taken

including initial abatement measures (10 CSR 26-2.072), initial site characterization (10 CSR 26-2.074), free product removal (10 CSR 26-2.075), investigation of soil and groundwater cleanup (10 CSR 26-2.078), and corrective action plan (10 CSR 26-2.082); and

1. 4. A notification before permanent clo-

sure or change in service (10 CSR 26-2.061).

1. (B) Record Keeping. Owners and operators must maintain the following information:

   1. 1. Installation records for any UST sys-

tem or system component installed after July 1, 2017; Substance Storage Tanks

1. 2. Documentation of operation of corro-

sion protection equipment (10 CSR 26- 2.031);

1. 3. Documents demonstrating compati-

bility of UST systems, including tanks, piping, release detection equipment, and all other ancillary equipment with the regulated substance being stored (10 CSR 26-2.032);

1. 4. Documentation of UST system

repairs (10 CSR 26-2.033);

1. 5. Documentation demonstrating spill

and overfill prevention equipment is being properly maintained and inspected or tested (10 CSR 26-2.030);

1. 6. Documentation of containment sump

testing results (10 CSR 26-2.035);

1. 7. Documentation of periodic walk-

through inspections (10 CSR 26-2.036);

1. 8. Recent compliance with release

detection requirements (10 CSR 26-2.048);

1. 9. Results of the site investigation con-

ducted at permanent closure (10 CSR 26- 2.064);

1. 10. Documentation demonstrating com-

pliance with the operator training rule (10 CSR 100-6); and

1. 11. Documentation demonstrating a

valid financial responsibility mechanism is in effect (10 CSR 26-3).

1. (C) Availability and Maintenance of Records. Owners and operators must keep the records required either—

   1. 1. At the UST site and immediately

available for inspection by the department; or

1. 2. At a readily available alternative site

and be provided for inspection to the department within three (3) working days or five (5) calendar days upon receipt of a written request. A written request shall be made in the following manner:

1. A. The department shall provide a

written request at the time of inspection to site personnel; or

1. B. In the cases of unattended sites or

inspections conducted after normal business hours, written notice shall be made by certified mail; or

1. 3. If the owner or operator fails to meet

the requirements of paragraph (1)(C)2., the department may order or otherwise require that owner or operator to maintain records on-site per paragraph (1)(C)1.; or

1. 4. In the case of permanent closure

records required under 10 CSR 26-2.064, owners and operators are also provided with the additional alternative of mailing closure records to the department if they cannot be kept at the site or an alternative site as indicated in this section.

AUTHORITY: sections 319.107, 319.111, and 319.137, RSMo 2016.* This rule originally filed as 10 CSR 20-10.034. Original rule filed April 2, 1990, effective Sept. 28, 1990. Amended: Filed Aug. 3, 1993, effective April 9, 1994. Moved and amended: Filed April 15, 2011, effective Dec. 30, 2011. Amended: Filed Aug. 15, 2016, effective May 30, 2017. *Original authority: 319.107, RSMo 1989, amended 1994; 319.111, RSMo 1989; and 319.137, RSMo 1989, amended 1993, 1995, 2004.