PDFWAC 296-826-30050
Reinstallation.
(1) You must prohibit the reinstallation of nonrefrigerated, previously installed underground, containers unless they meet both of the following:
(a) Pass a hydrostatic pressure retest using the original pressure specified by the Unfired Pressure Vessel Code under which the tank was constructed; and
(b) Show no evidence of serious corrosion.
(2) You must maintain a corrosion resistant coating on reinstalled underground containers.