Every underground storage tank (UST) contains hazardous substances. The most common hazardous materials stored in USTs are gasoline and diesel. The goal of the UST Program is to protect public health and safety and the environment through the protection of groundwater and surrounding soils.
The California Health and Safety Code
and the California Code of Regulations
, require annual UST facility inspection, tank permitting and monitoring, and guidelines for the installation and removal of tanks.