GTEC 2014 Fall Compliance Conference CATHODIC PROTECTION SYSTEMS Underground Fuel Tanks & Piping Owner Monitoring & Maintenance Requirements

GALVANIC CATHODIC PROTECTION STiP3 Tanks Steel Product Lines With Galvanic Anodes Steel Flex Connectors/Swing Joints

GALVANIC CATHODIC PROTECTION Monitoring Requirements PEI – Annual Testing Federal EPA – Every 3 Year Test Georgia EPD – Every 3 Year Test

GALVANIC CATHODIC PROTECTION An evaluation of the cathodic protection system must be conducted by a certified tester every 3 years. The tester must be certified by NACE, GTEC or other recognized trade organization. The owner is responsible for making sure the tester is properly certified.

GALVANIC CATHODIC PROTECTION Field tests must include: Verification of tank and piping materials Local and remote potential measurements Diagram of fueling system Test results must be presented on the Georgia EPD form

PASS FAIL PASS FAIL 850 ON NONE Cathodic protection is adequate. No further action is necessary at this time. Test again by no later than (see Section V).

GALVANIC CATHODIC PROTECTION Test results show the tanks and/or piping do not meet criteria, why? Poor coating Electrically grounded Tie down straps Type of backfill Poor construction practices

GALVANIC CATHODIC PROTECTION My reports says my tanks are not in compliance, what do I do? 60 days to repair from date of test Tester to conduct trouble shooting and/or current requirement tests Clear ground contact Add galvanic anodes or impressed current

Tank Lifting Lug Native Soil Galvanic Anode Fill Pavement

IMPRESSED CURRENT Monitoring Requirements Rectifier Monitoring PEI – Monthly Federal EPA – 60 Days Georgia EPD – 60 Days

MONTHLY RECTIFIER MONITORING Amps Volts

IMPRESSED CURRENT Monthly Rectifier Monitoring Record volts and amps on form Compare output readings to target levels Take action if readings do not fall within target

IMPRESSED CURRENT Monthly Rectifier Monitoring No volts or amps Check breakers and fuse Volts but no amps Damaged cables Fuse blows every time Lightning damage to diode 60 days to repair

IMPRESSED CURRENT 3 Year Surveys Must use certified tester Tester must do a complete test with remote and local potentials Results must be issued on Georgia EPD form

IMPRESSED CURRENT 3 Year Survey – Failing Results Tester did not complete test Rectifier needs to be adjusted Cable has been cut Anodes depleted Cable connection to tank is loose Improper original design

IMPRESSED CURRENT 3 Year Test Failure Repairs must be made in 60 days Owner needs to be sure repairs are actually required Owner needs to be involved in repairs, to be sure workmanship is of good quality Expert must sign off on repairs

OWNERS RESPONSIBLITY Owners must be aware of cathodic protection system monitoring and maintenance requirements Owners must be aware of the survey results, and take appropriate actions Owners must be involved in providing quality control on repairs