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The effectiveness of cathodic protection can be accomphshed by monitoring the pipeline potential using the close interval potential survey (CIPS) method or by using direct current voltage gradient (DCVG) or IR coupon techniques. Also, physical and electrochemical methods can be used to estimate the corrosion rates of a cathodicaUy protected system. [Pg.620]

See other pages where DCVG direct current voltage is mentioned: [Pg.36] [Pg.678] [Pg.513] [Pg.576] [Pg.914]