Louisiana Administrative Code
Title 33 - ENVIRONMENTAL QUALITY
Part XI - Underground Storage Tanks
Chapter 5 - General Operating Requirements
Section XI-503 - Operation and Maintenance of Corrosion Protection

Universal Citation: LA Admin Code XI-503

Current through Register Vol. 50, No. 9, September 20, 2024

A. All owners and operators of metal UST systems with corrosion protection shall comply with the following requirements to ensure that releases due to corrosion are prevented until the UST system is permanently closed or undergoes a change-in-service in accordance with LAC 33:XI.905.

1. All corrosion protection systems shall be operated and maintained to continuously provide corrosion protection to the metal components of external portions of the tank and piping that routinely contain regulated substances and are in contact with the soil, backfill, or water.

2. All UST systems equipped with cathodic protection systems shall be inspected for proper operation by a qualified cathodic protection tester in accordance with the following requirements.
a. Frequency. All cathodic protection systems shall be tested within six months after installation and at least once every 36 months thereafter, or according to another timeframe established by the department.

b. Inspection Criteria. The criteria used to determine whether cathodic protection is adequate as required by this Section shall be in accordance with the guidelines established by the department and any applicable industry code or recommended practice listed in LAC 33:XI.501.A.

3. UST systems with impressed current cathodic protection systems shall also be inspected every 60 days to ensure that the equipment is running properly.

B. For UST systems using cathodic protection, records of the operation of the cathodic protection shall be maintained (in accordance with LAC 33:XI.509) to demonstrate compliance with the performance standards in this Section. These records shall provide the following:

1. the results of the last three years of inspections required in Paragraph A.3 of this Section; and

2. the results of testing from the last two inspections required in Paragraph A.2 of this Section.

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:2001 et seq.

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