RP900 “...describes procedures to verify the function or condition of easily accessible components of underground storage tank systems...”
RP900 provides a framework you can use for developing an inspection plan that addresses the various operational issues associated with the equipment that is specific to the UST systems you own and operate.
The inspection plan should also take into consideration all health and safety concerns associated with the product stored in the UST systems, and the environment where those UST systems are located.
Carefully read through and become familiar with the material covered in RP900 before developing you inspection plan.
6.4.1 Additional Helps
The U.S. EPA provides two excellent resources that can help enhance your ability to effectively operate and maintain your UST system. These resources can be downloaded from the website for the U.S. EPA, Office of Underground Storage Tanks. For your reference links to both resources are included below.