Official Louisiana State Websites use .la.gov 
Secure .gov websites use HTTPS 
Underground Storage Tank (UST)
Each tank must be properly designed and constructed, and any portion that routinely contains product must be protected from corrosion in accordance with Louisiana law. Please refer to Table 1.
TABLE 1
| Tank Material | Acceptable Corrosion Protection |
|---|---|
| Fiberglass Reinforced Plastic | No corrosion protection is necessary |
| Metal with Cathodic Protection |
Dielectric coating
OR
Field-installed cathodic protection system designed by a corrosion expert
OR
Impressed current system
OR
Cathodic protection system
|
| Composite (Steel with Fiberglass Reinforced Plastic) |
No corrosion protection is necessary |
| Metal without Corrosion Protection | Corrosion expert has determined no leak will occur due to corrosion |
| Other | Must be approved by the department |