Laserfiche WebLink
B9.0 OPERATIONAL LIFE B9.2 Cathodic protection of the tank exterior is not <br /> required when the average tank metal thickness is greater <br /> B9.1 If the average tank metal thickness is determined to than 85 percent. <br /> be 75 percent to 85 percent of the original tank metal <br /> thickness, a cathodic protection system shall be installed 89.3 If a cathodic protection system is installed,no future <br /> within one year from the date of the inspection. internal inspections are required. <br /> 4 <br />