The service life of the storage tank

If the service life of the storage tank has reached 15 years, the internal and external inspection should be carried out every two years; if the service life has reached 20 years, the internal and external inspection should be carried out at least once a year. For storage tanks that have undergone regular inspections, the inspection personnel shall submit an inspection report, indicating whether the storage tanks can continue to be used, or special monitoring measures are required. The inspection report shall be stored in the technical file of the storage tank.