ATCP 93.500(9)(a)11. 11. Documentation of compliance with the compatibility requirements in s. ATCP 93.680 (3) (c) 1. or (6) (c) 1. as applicable to the ethanol or biodiesel blend.

ATCP 93.500(9)(b) (b) Availability of records.

ATCP 93.500(9)(b)1. 1. Operators shall maintain the required records at the site, except as provided in subds. 2. and 3. and par. (c) 11.

ATCP 93.500(9)(b)2. 2. Operators of unattended sites shall make the records available for inspection at the site when given 72 hours of prior notice.

ATCP 93.500(9)(b)3. 3. The approved plans and specifications and approval letter shall be kept on site and available to the authorized agent or the department during all phases of installation. After installation is completed, the approved plans and specifications and approval letter shall be made available to the authorized agent or the department upon request.

ATCP 93.500(9)(b)4. 4. Records may be kept electronically, provided they are in a format acceptable to the department.

ATCP 93.500(9)(c) (c) Maintenance of records. Records shall be maintained for the following periods from the date of the most recent test, inspection or upgrade:

ATCP 93.500(9)(c)1. 1. Monthly leak detection monitoring — one year.

ATCP 93.500(9)(c)2. 2. Annual precision tightness testing — one year.

ATCP 93.500(9)(c)3. 3. Periodic precision tightness testing in association with inventory control — until the next test is conducted.

ATCP 93.500(9)(c)4. 4. Impressed current corrosion protection system, 60-day inspection — the previous 3 inspections.

ATCP 93.500(9)(c)5. 5. Corrosion protection system, annual test — the previous 3 tests.

ATCP 93.500(9)(c)6. 6. Internal inspection associated with underground tank lining — 10 years.

ATCP 93.500(9)(c)7. 7. Annual performance verification of leak detection equipment and flow restrictor — 2 years.

ATCP 93.500(9)(c)8. 8. Results of functional testing of impact and emergency shut-off valves and electrical continuity testing for dispensers — 2 years.

ATCP 93.500(9)(c)9. 9. The owner’s manual provided by the leak detection equipment manufacturer — until the leak detection system is replaced or no longer used.

ATCP 93.500(9)(c)10. 10. Any tank or pipe system modification or repair — the operational life of the system.

ATCP 93.500 Note Note: Lifetime maintenance of repair and upgrading records is required by 40 CFR 280.33 (f).

ATCP 93.500(9)(c)11. 11. Inspection or testing records — 3 years or the interval between required inspections or testing, whichever is longer.

ATCP 93.500(9)(c)12. 12. Tank-system site assessments and other environmental assessments, such as assessments for property transactions — 3 years after completion of any permanent closure, upgrade, repair or change in service. These records shall be maintained at one of the following locations:

ATCP 93.500(9)(c)12.a. a. With the owner or operator who took the UST system out of service.

ATCP 93.500(9)(c)12.b. b. With the current operator of the UST system site.

ATCP 93.500(9)(c)12.c. c. With the department if records cannot be maintained at the closed facility.

ATCP 93.500(9)(c)13. 13. Leak detection alarm investigation — 2 years.

ATCP 93.500(9)(c)14. 14. Product inventory verification in accordance with s. ATCP 93.503, inventory control in accordance with s. ATCP 93.515 (2), or statistical inventory reconciliation in accordance with s. ATCP 93.515 (6) — 10 years.

ATCP 93.500(9)(c)15. 15. One set of stamped, approved plans and specifications and a copy of the approval letter — the operational life of the system.

ATCP 93.500(9)(c)16. 16. Equipment or component compatibility for ethanol or biodiesel blends under s. ATCP 93.680 (3) (c) 1. or (6) (c) 1. — the operational life of the equipment or component.

ATCP 93.500 Note Note: All leak detection records should be retained permanently. The documentation could be helpful to exclude the site as a possible source of contamination at a later date.

ATCP 93.500 Note Note: Section ATCP 93.870 has record keeping requirements for operator training or USTs that are required to have a permit to operate from the department.